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- Saccharopolyspora erythraeaSaccharopolyspora erythraea is a species of actinomycete bacteria within the genus Sacchar
- SAD PERSONS scaleClinical assessment tool for suicide risk
- Safe sexWays to reduce the risk of acquiring STIs
- Safety razorShaving implement
- SalbutamolShort-acting bronchodilator used for acute asthma
- SalmeterolChemical compound
- SalmonellosisInfection caused by Salmonella bacteria
- SalpingectomySalpingectomy refers to the surgical removal of a fallopian tube. This may be done to trea
- Salpingo-oophorectomyIn medicine, salpingo-oophorectomy is the removal of an ovary and its fallopian tube. This
- San JiaoSan Jiao ("triple burner", or "triple energizer", or "triple heater") is a concept in trad
- San Joaquín, BoliviaSan Joaquín is a small agricultural town in the Beni Department in the Bolivian lowlands.
- SarcomaCancer originating in connective tissue
- SARSSevere acute respiratory syndrome
- SARS-CoV-2 Alpha variantVariant of SARS-CoV-2, the virus that causes COVID-19
- SARS-CoV-2 Beta variantVariant of the SARS-CoV-2 virus
- SARS-CoV-2 Delta variantVariant of SARS-CoV-2 detected late 2020
- SARS-CoV-2 Epsilon variantVariant of the SARS-Cov-2 virus
- SARS-CoV-2 Eta variantVariant of the SARS-Cov-2 virus
- SARS-CoV-2 Gamma variantVariant of the virus SARS-CoV-2
- SARS-CoV-2 Iota variantVariant of the SARS-Cov-2 virus first identified in New York City
- SARS-CoV-2 Kappa variantType of the virus detected in 2020
- SARS-CoV-2 Lambda variantVariant of SARS-CoV-2
- SARS-CoV-2 lineage B.1.617COVID-19 virus lineage
- SARS-CoV-2 Mu variantVariant of the SARS-CoV-2 virus
- SARS-CoV-2 Omicron variantType of coronavirus detected in 2021
- SARS-CoV-2 Theta variantVariant of the SARS-CoV-2 virus
- SARS-CoV-2 variant of concernThe term variant of concern (VOC) for SARS-CoV-2, which causes COVID-19, is a category use
- SARS-CoV-2 Zeta variantVariant of the SARS-Cov-2 virus
- Satiety valueDegree at which food gives a human the feeling of satiety per calorie
- ScaldingMedical condition
- ScalpArea of the human head
- ScarArea of fibrous tissue that replaces normal skin after an injury
- SCARB1Scavenger receptor class B type 1 (SRB1) also known as SR-BI is a protein that in humans i
- Scarring hair lossScarring hair loss, also known as cicatricial alopecia, is the loss of hair which is accom
- SchistosomaGenus of flukes
- SchistosomiasisHuman disease caused by parasitic worms called schistosomes
- Schizoid personality disorderPersonality disorder involving extreme asociality
- Schizotypal personality disorderMental disorder involving eccentricity and social isolation in afflicted individuals
- SciaticaLower-back pain that can extend down the leg
- Scientific skepticismQuestioning of claims lacking empirical evidence
- SclerodactylySclerodactyly is a localized thickening and tightness of the skin of the fingers or toes t
- ScoliosisLeft-right asymmetry of the spine's curvature
- ScrapieDegenerative disease that affects sheep and goats
- Screening (medicine)Brief medical evaluation to detect unnoticed health problems
- ScurvyDisease resulting from a lack of vitamin C
- Seal fingerMedical condition
- Search and rescueSearch for and provision of aid to people who are in distress or imminent danger
- Seasonal affective disorderMedical condition
- Seasonal effects on suicide ratesResearch on seasonal effects on suicide rates suggests that the prevalence of suicide is g
- Seborrheic keratosisBenign skin tumor originating in keratocytes
- Secondary hyperparathyroidismSecondary hyperparathyroidism is the medical condition of excessive secretion of parathyro
- SecosteroidA secosteroid () is a type of steroid with a "broken" ring. The word secosteroid derives f
- SecretoglobinSecretoglobins (SCGBs) are a family of small, alpha-helical, disulfide linked, dimeric pro
- SedationReduction of irritability or agitation by administration of sedative drugs
- SedativeDrug that reduces excitement without inducing sleep
- Sedentary lifestyleType of lifestyle involving little to no physical activity
- SeizurePeriod of symptoms due to excessive or synchronous neuronal brain activity
- Selective serotonin reuptake inhibitorClass of antidepressant medication
- Self-harmIntentional injury to one's body
- Self-hatredHatred of oneself
- SenescenceDeterioration of function with age
- Sensory lossMany types of sense loss occur due to a dysfunctional sensation process, whether it be ine
- SeppukuRitualistic suicide by disembowelment
- SepsisLife-threatening response to infection
- Septic shockDangerously low blood pressure due to damage from an organ infection
- SerologyScientific study of serum and other bodily fluids
- Serotonin antagonist and reuptake inhibitorSerotonin antagonist and reuptake inhibitors (SARIs) are a class of drugs used mainly as a
- Serotonin receptor antagonistA serotonin antagonist, or serotonin receptor antagonist, is a drug used to inhibit the ac
- Serotonin reuptake inhibitorA serotonin reuptake inhibitor (SRI) is a type of drug which acts as a reuptake inhibitor
- Serratus anterior muscleThe serratus anterior is a muscle of the chest. It originates at the side of the chest fro
- SertralineSSRI antidepressant
- Serum sicknessSerum sickness in humans is a reaction to proteins in antiserum derived from a non-human a
- Set point theoryTheory in human biology
- Severe combined immunodeficiencyGenetic disorder leading to severe impairment of the immune system
- Severe cutaneous adverse reactionsSevere cutaneous adverse reactions (SCARs) are a group of potentially lethal adverse drug
- Sex hormoneType of steroid hormone
- Sex hormone–binding globulinHuman glycoprotein that binds to androgens and estrogens
- Sex-hormonal agentA sex-hormonal agent, also known as a sex-hormone receptor modulator, is a type of hormona
- Sexual abstinenceAct of refraining from sexual activity
- Sexual arousalPhysiological and psychological changes in preparation for sexual intercourse
- Sexual dysfunctionDifficulty experienced by humans during any stage of normal sexual activity
- Sexual violenceSexual act or attempt to obtain a sexual act by violence or coercion
- Sexual violence during the HolocaustDuring World War II and the Holocaust, Jewish men and women faced sexual violence, especia
- ShampooHair care product
- Shark attackAttack on a human by a shark
- Shaving brushA shaving brush or shave brush is a small brush with a handle parallel to the bristles use
- Shaving creamCream applied to areas of hair growth to facilitate shaving
- ShiatsuType of Japanese pressure massage
- ShinglesViral disease caused by the varicella zoster virus
- ShiveringBodily function in response to cold and extreme fear
- Shoe insertRemovable foot support placed inside footwear
- Short statureHeight of a human that is below typical
- Short-chain fatty acidFatty acid with fewer than six carbon atoms
- Short-term effects of alcohol consumptionThe short-term effects of alcohol consumption range from a decrease in anxiety and motor s
- Shortness of breathFeeling of difficulty breathing
- ShoulderPart of the body
- Shoulder dystociaBirthing obstruction complication
- Shoulder jointSynovial ball and socket joint in the shoulder
- Shoulder presentationIn obstetrics, a shoulder presentation is a malpresentation at childbirth where the baby i
- Shower gelLiquid products used for cleaning the body
- Sickle cell diseaseMedical condition
- Side effectOutcome that is secondary to the one intended
- Sidney KatzSidney Katz, MD (1924–May 4, 2012) was a pioneering American physician, scientist, educato
- SIDSSudden unexplained death of a child who is less than one year of age
- Signs and symptomsIndications of a specific illness, including psychiatric
- Signs and symptoms of pregnancySigns and symptoms of pregnancy are common, benign conditions that result from the changes
- SildenafilDrug for erectile dysfunction and hypertension
- Silent sinus syndromeSilent sinus syndrome is a spontaneous, asymptomatic collapse of an air sinus (usually the
- Silent strokeA silent stroke (or asymptomatic cerebral infarction) is a stroke that does not have any o
- SilicosisOccupational lung disease caused by inhalation of crystalline silica
- Sinopharm BIBP COVID-19 vaccineVaccine against COVID-19
- Sinus node dysfunctionSinus node dysfunction (SND), also known as sick sinus syndrome (SSS), is a group of abnor
- SinusitisInflammation of the sinus' membranes
- Sit-upAbdominal endurance training exercise
- Sitting disabilityA sitting disability is a condition in which a person has difficulties sitting or is unabl
- Skeletal muscle crampPathological, often painful, involuntary muscle contraction
- Skin and skin structure infectionMicrobial infection of the skin and other soft tissues
- Skin biopsyRemoval of skin cells for medical examination
- Skin careRange of practices that support skin integrity, health, and appearance
- Skin conditionAny medical condition that affects the integumentary system
- Skin graftingSurgical transplantation of skin
- Skin infectionInfections of the skin
- Skull fractureMedical condition
- Sleep apneaDisorder involving pauses in breathing during sleep
- Sleep deprivationCondition of not having enough sleep
- Sleep disorderMedical disorder of a person's sleep patterns
- Sleep medicineMedical specialty
- Sleep paralysisSleeping disorder
- Sleep studyA sleep study is a test that records the activity of the body during sleep. There are five
- Sleep-related breathing disorderAbnormality in breathing during sleep
- SleepwalkingSleeping phenomenon combined with wakefulness
- Small-cell carcinomaType of malignant cancer
- Smoking banLaw prohibiting tobacco smoking in a given space
- Smoking pipeDevice used for smoking
- Smouldering myelomaSmouldering myeloma is a disease classified as intermediate in a spectrum of step-wise pro
- SnakebiteInjury caused by bite from snakes
- SneezeSemi-autonomous, convulsive expulsion of air from the lungs through the nose and mouth
- Snellen chartEye chart
- SnoringVibratory sound made while asleep
- Social anxiety disorderAnxiety disorder associated with social situations
- Social defeatLoss in a confrontation between animals, including humans
- Social determinants of healthEconomic and social conditions that influence differences in health status
- Social determinants of obesityWhile genetic influences are important to understanding obesity, they cannot explain the c
- Social distancingInfection control technique by keeping a distance from each other
- Social distancing measures related to the COVID-19 pandemicDuring the COVID-19 pandemic, social distancing measures were implemented nearly worldwide
- Social impact of the COVID-19 pandemicIndirect effects of the COVID-19 pandemic
- Social impact of the COVID-19 pandemic in MalaysiaCOVID 19 effect in Malaysia
- Social impact of the COVID-19 pandemic in New ZealandThe COVID-19 pandemic in New Zealand has had far-reaching consequences on the country that
- Social impact of the COVID-19 pandemic in RussiaThis article is about the social impact of the COVID-19 pandemic in Russia.
- Social impact of the COVID-19 pandemic in the Republic of IrelandIndirect effects of the COVID-19 pandemic in the Republic of Ireland
- Social impact of the COVID-19 pandemic in the United KingdomIndirect effects of the COVID-19 pandemic in the UK
- Social impact of the COVID-19 pandemic in the United StatesThe COVID-19 pandemic in the United States had far-reaching consequences in the country th
- Social invisibilityIgnorance of a person or group by the public
- Social media and suicideSince the rise of social media, there have been numerous cases of individuals being influe
- Social stigma of obesityType of discrimination based on weight
- Society for Women's Health ResearchThe Society for Women's Health Research (SWHR) is a national non-profit organization based
- Society of Obstetricians and Gynaecologists of CanadaThe Society of Obstetricians and Gynaecologists of Canada (SOGC) is a national medical soc
- Sodium stearateSodium stearate (IUPAC: Sodium Octadecanoate) is the sodium salt of stearic acid. This whi
- SOFA scoreThe sequential organ failure assessment score (SOFA score), previously known as the sepsis
- Soft tissueTissue in the body that is not hardened by ossification
- Software for COVID-19 pandemic mitigationComputer program projects to halt the spread of the respiratory disease
- Soil-transmitted helminthiasisRoundworm infection contracted from contaminated soil
- SokushinbutsuBuddhist mummification
- Somatic symptom disorderExcessive focus on distressing physical symptoms
- SomnolenceState of desire for sleep, for unusually long periods
- Sore throatPain of the throat
- Sp100 nuclear antigenSp100 nuclear antigen is an interferon stimulated antigen found in the cell nuclei of many
- SpasmInvoluntary contraction of a muscle, organ or orifice
- Spastic hemiplegiaSpastic hemiplegia is a neuromuscular condition of spasticity that results in the muscles
- SpasticityAbnormal stiffness of skeletal muscle
- Specific developmental disorderMedical condition
- Specific phobiaSpecific, irrational fears
- Speculum (medicine)Medical device for investigating body orifices by direct vision
- Speech disorderCommunication disorder in which normal speech is disrupted
- Speech–language pathologyDisability therapy profession
- SphincterCircular muscle that normally maintains constriction of a natural body passage or orifice
- Spina bifidaBirth defect of the spinal cord
- Spinal cord injuryInjury to the main nerve bundle in the back of humans
- Spinal diseaseDisease involving the vertebral column
- Spinal fusionImmobilization or ankylosis of two or more vertebrae by fusion of the vertebral bodies
- Spinal stenosisDisease of the bony spine that results in narrowing of the spinal canal
- SpironolactoneSteroidal antiandrogen and antimineralocorticoid
- SplinterMedical condition
- Sports injuryPhysical and emotional trauma
- Sports medicineBranch of medicine for training and sports injuries
- Spotted feverA spotted fever is a type of tick-borne disease which presents on the skin. They are all c
- SprainSoft tissue injury of a ligament
- Sputnik V COVID-19 vaccineRussian vaccine against COVID-19
- SputumMucus that is coughed up from the lower airways
- Sputum cultureA sputum culture is a test to detect and identify bacteria or fungi that infect the lungs
- Squamous-cell carcinomaCarcinoma that derives from squamous epithelial cells
- Squamous-cell carcinoma of the lungSquamous-cell carcinoma (SCC) of the lung is a histologic type of non-small-cell lung carc
- Squat (exercise)Workout that targets the legs
- SRD5A2The human gene SRD5A2 encodes the 3-oxo-5α-steroid 4-dehydrogenase 2 enzyme, also known as
- ST depressionST depression refers to a finding on an electrocardiogram, wherein the trace in the ST seg
- ST elevationST elevation is a finding on an electrocardiogram wherein the trace in the ST segment is a
- Stab woundForm of penetrating trauma
- StabbingWounding with a pointed object at close range
- Standard of careTort law doctrine
- StandingHuman position in which the body is held upright
- Staphylococcal infectionBacterial infection (genus Staphylococcus)
- StarvationCaloric intake below what is needed to maintain an organism's life
- Starvation responseChanges in metabolism that occur in response to a lack of food
- StatinClass of drugs to lower cholesterol
- SteatorrheaPresence of excess fat in feces
- Stem-cell therapyUse of stem cells to treat or prevent a disease or condition
- StentType of medical device
- Step aerobicsStep aerobics, also known as bench aerobics and step training, is a form of aerobic exerci
- StereotypyRepetitive mechanical repetition of speech or physical activities
- Steroid-induced osteoporosisSteroid-induced osteoporosis is osteoporosis arising from the use of glucocorticoids (a cl
- Steroidal alkaloidSteroidal alkaloids have the basic steroidal skeleton with nitrogen-based functional group
- Stomach cancerCancerous tumor originating in the stomach lining
- StomatitisStomatitis is inflammation of the mouth and lips. It refers to any inflammatory process af
- StrabismusEyes not aligning when looking at something
- Straight razorKnife used to remove body hair
- Strain (injury)Injury due to slight tearing of a muscle or tendon
- Stratum corneumOutermost layer of the epidermis
- Stratum spinosumLayer of the epidermis
- Strength and conditioning coachA strength and conditioning coach (also known as an S&C coach) is a physical performance p
- Strength trainingExercise to improve strength
- Streptococcal pharyngitisThroat infection by Streptococcus bacteria
- Stress incontinenceStress incontinence, also known as stress urinary incontinence (SUI) or effort incontinenc
- StretchingForm of physical exercise
- StridorStridor (from Latin 'creaking/grating noise') is an extra-thoracic high-pitched breath sou
- Strikes during the COVID-19 pandemicIndustrial action relating to the emergency
- Stroma of corneaThe stroma of the cornea (or substantia propria) is a fibrous, tough, unyielding, perfectl
- Stroma of irisThe stroma of the iris is a fibrovascular layer of tissue located at the front of the iris
- Stunted growthReduced growth rate in human development
- StutteringSpeech disorder
- Subcutaneous administrationInsertion of medication under the skin
- Subcutaneous tissueLowermost layer of the integumentary system in vertebrates
- Sublingual administrationApplication of a pharmaceutical drug under the tongue
- SubspecialtyA subspecialty or subspeciality (see spelling differences) is a narrow field of profession
- Substance abuseMedical condition
- Substance intoxicationMedical condition
- Substituted amphetamineClass of compounds based upon the amphetamine structure
- Subungual exostosisSubungual exostosis is a type of non-cancerous bone tumor of the chondrogenic type, and co
- SuccimerMedication used to treat lead, mercury, and arsenic poisoning
- SUCLA2Succinyl-CoA ligase [ADP-forming] subunit beta, mitochondrial (SUCLA2), also known as ADP-
- Suicidal ideationThoughts, ideas, or ruminations about attempting suicide
- Suicide among autistic individualsSocial issue
- Suicide attemptAct of trying to kill oneself which the person survives
- Suicide bagEuthanasia device using inert gas
- Suicide bereavementType of grieving
- Suicide by aircraftAviation disaster in which a pilot intentionally crashes the aircraft
- Suicide by copIntentional provocation of a lethal response from law enforcement
- Suicide by hangingSuicide method
- Suicide by jumping from heightSuicide method
- Suicide by poisoningSelf-poisoning is one of the most frequent methods of suicide. Deliberate self-poisoning i
- Suicide crisisFeelings of or ideation with suicide
- Suicide in AfghanistanSocioeconomic overview
- Suicide in antiquitySuicide was a widespread occurrence in antiquity across cultures. There were many differen
- Suicide in AustraliaAccording to the Australian Bureau of Statistics, the age standardised death rate for suic
- Suicide in BangladeshSuicide in Bangladesh is a significant public health concern; on average, 40 people die by
- Suicide in CanadaAccording to the latest available data, Statistics Canada estimates 4,157 suicides took pl
- Suicide in ChinaChina's suicide rates were one of the highest in the world in the 1990s. However, by 2011,
- Suicide in FranceSocial issue
- Suicide in GreenlandSuicide in Greenland, an autonomous country within the Kingdom of Denmark, is a significan
- Suicide in IranSuicide in Iran is believed to be a growing concern in recent years within the nation. Acc
- Suicide in IrelandSuicide in Ireland has the 17th highest rate in Europe and the 4th highest for the males a
- Suicide in JapanAccording to WHO's 2021 suicide report, Japan ranked 23rd of the 183 countries listed. The
- Suicide in LesothoSuicide is a significant social issue in Lesotho, having the highest suicide rate in the w
- Suicide in LithuaniaSuicide in Lithuania has become a significant social issue in the country due to its high
- Suicide in music subculturesSuicide in music subcultures refers to the relationship between members of a subculture of
- Suicide in NepalIn 2014, the WHO ranked Nepal as the 7th in the global suicide rate. The estimated annual
- Suicide in PakistanSuicide in Pakistan is a major public health issue.
- Suicide in RussiaSocial problem in Russia
- Suicide in SingaporeSuicide cases in Singapore have been rising in recent years, with rates of suicide increas
- Suicide in South AfricaSuicide in South Africa is a public health and social problem that contributes to prematur
- Suicide in South KoreaSouth Korea had the 8th highest suicide rate in the world in 2021, and the highest among O
- Suicide in SpainSuicide is a social and health issue occurring in Spain. In 2016, the World Health Organiz
- Suicide in SwitzerlandSwitzerland had a standardised suicide rate of 10.7 per 100,000 (male 15.5, female 6.0) as
- Suicide in the United KingdomIn 2024, there were 7,147 deaths in the UK officially registered as suicide, equating to a
- Suicide in the United StatesSuicide is a major national public health issue in the United States. The country has one
- Suicide in UkraineSuicide in Ukraine is a common cause of unnatural death and a serious social issue. In 200
- Suicide interventionEfforts to prevent a person from suicide
- Suicide methodsMeans by which a person dies by suicide
- Suicide missionTask that will likely involve the death of the participants
- Suicide noteMessage left by a person intending to die
- Suicide pactAgreement between multiple individuals to die by suicide
- Suicide preventionEfforts to reduce the risk of suicide
- Suicide prevention contractA suicide prevention contract is a contract that contains an agreement not to die by suici
- Suicide tourismPractice of people travelling to a specific jurisdiction to die by suicide
- Suicide watchMonitoring process to ensure that a person cannot attempt suicide
- SulfathiazoleSulfathiazole is an organosulfur compound used as a short-acting sulfa drug. Formerly, it
- SulfotransferaseIn biochemistry, sulfotransferases (SULTs) are transferase enzymes that catalyze the trans
- SULT1A1Sulfotransferase 1A1 is an enzyme that in humans is encoded by the SULT1A1 gene.
- Summermatter cycleThe Summermatter cycle is a physiological concept describing the complex relationship betw
- SunburnBurning of the skin by the sun's radiation
- SunscreenSkin product helping to prevent sunburn
- SupercentenarianPerson who turned 110 years old
- Supine positionThe supine position () means lying horizontally with the face and torso facing up, as oppo
- SuppositoryDosage form used to deliver medications
- Supraglenoid tubercleThe supraglenoid tubercle is a region of the scapula from which the long head of the bicep
- Supratrochlear arteryThe supratrochlear artery (or frontal artery) is one of the terminal branches of the ophth
- Suresh RattanSuresh Rattan (full name: Suresh Inder Singh Rattan; born in 1955 in Amritsar, India) is a
- SurgeonPhysician with surgical specialty
- Surgical instrumentTools designed for use during surgery
- Surgical meshSurgical mesh is a medical implant made of loosely woven mesh, which is used in surgery as
- SurrogacyArrangement in which a woman carries and delivers a child for designated parent(s)
- Surrogate decision-makerA surrogate decision maker, also known as a health care proxy or as agents, is an advocate
- SV2ASynaptic vesicle glycoprotein 2A (SV2A) is a transmembrane protein belonging to a family o
- Swedish government response to the COVID-19 pandemicSweden's unique response to the COVID-19 pandemic has been the subject of significant cont
- Swine influenzaInfection caused by influenza viruses endemic to pig
- Sympathetic ophthalmiaSympathetic ophthalmia (SO), also called spared eye injury, is a diffuse granulomatous inf
- Syncope (medicine)Transient loss of consciousness and postural tone
- Synovial membraneThe synovial membrane (also known as the synovial stratum, synovium or stratum synoviale)
- Synovial sarcomaA synovial sarcoma (also known as malignant synovioma) is a rare form of cancer which occu
- Systematized Nomenclature of MedicineThe Systematized Nomenclature of Medicine (SNOMED) is a systematic, computer-processable c
- Systemic diseaseCondition which affects multiple organs or the whole body
- Systemic inflammatory response syndromeIn immunology, systemic inflammatory response syndrome (SIRS) is an inflammatory state aff
- Systolic heart murmurSystolic heart murmurs are heart murmurs heard during systole, i.e. they begin and end bet
- Systolic hypertensionMedical condition