Browse Medical Terms
S
- s phase
- saccade
- saccharomyces
- saccharomyces cerevisiae
- saccular aneurysm
- sacral dimple
- sacral fistula
- sacrococcygeal teratoma
- sacroiliac joint
- sacroiliitis
- sacrum
- s-adenosylmethionine
- safflower oil
- safingol
- safrole
- salicylic acid
- saline
- saliva
- salivary gland
- salivary gland neoplasm
- salmonella
- salmonella arizonae
- salmonella choleraesuis
- salmonella enterica
- salmonella gallinarum
- salmonella infection
- salmonella pullorum
- salmonella typhi
- salmonella typhimurium
- salmonella typhisuis
- salmonella vaccines
- salpingectomy
- salpingitis
- salpingo-oophorectomy
- salt
- salt gland
- salvage therapy
- sample fixation
- sample size
- sandhoff disease
- saphenous vein
- sapovirus
- sapporo virus
- saquinavir
- saquinavir mesylate
- saralasin
- sarcina ventriculi
- sarcocystis
- sarcocystis hominis
- sarcocystis suihominis
- sarcoglycan complex
- sarcoidosis
- sarcolemma
- sarcoma
- sarcomere
- sarcopenia
- sarcoplasm
- sarcoplasmic reticulum
- sarcosine
- sargramostim
- satellite virus
- satiation
- satisfaction
- satraplatin
- saturated phytosterol
- saxitoxin
- scabies
- scalp
- scalpel
- scan gallium
- scanning electron microscopy
- scaphoid bone
- scapula
- scar
- scarlet fever
- scavenger receptor
- scedosporium
- scedosporium apiospermum
- scedosporium prolifican
- scheduled notification
- scheuermann's disease
- schiff base
- schiller test
- schistocyte count
- schistosoma
- schistosoma haematobium
- schistosoma intercalatum
- schistosoma japonicum
- schistosoma mansoni
- schistosoma mekongi
- schistosomiasis
- schistosomiasis japonica
- schistosomiasis mansoni
- schizencephaly
- schizoid personality
- schizophrenia
- schizophyllum
- school
- schwann cell
- sciatic nerve
- sciatica
- scintillation counter
- scirrhous adenocarcinoma
- sclera
- scleral buckling
- scleral diseases
- scleredema
- sclerema neonatorum
- scleritis
- scleroderma
- scleromyxedema
- scleroproteins
- sclerosing peritonitis
- sclerosis
- sclerotherapy
- scolecobasidium terreum
- scoliosis
- scopolamine hydrobromide
- scopoletin
- scopulariopsis
- scotoma
- scrapie
- screening procedure
- scrotal infection
- scrotal pain
- scrotum
- scurvy
- sea-blue histiocyte
- sebaceous adenoma
- sebaceous gland
- sebaceous gland carcinoma
- seborrheic dermatitis
- seborrheic keratosis
- sebum
- secondary amenorrhea
- secondary hypertension
- secondary hypothyroidism
- secondary metabolism
- secondary prevention
- second-degree burn
- second-look surgery
- secretin
- secretion
- secretory vesicle
- sectioning technique
- sedentary lifestyle
- segmental mandibulectomy
- segmental mastectomy
- segmentectomy
- seizure
- selectin
- selection bias
- selenium
- selenocysteine
- selenomethionine
- selenomonas
- selenomonas noxia
- selenomonas sputigena
- self concept
- self efficacy
- self medication
- self stimulation
- self-examination
- self-help devices
- semantic differential
- semen
- semilunar bone
- seminal fluid
- seminal vesicle
- seminoma
- semustine
- senile dementia
- senile plaque
- senna extract
- sense organ
- sensorineural hearing loss
- sensory deprivation
- sensory disorder
- sensory feedback
- sensory nerve
- sensory neuropathy
- sensory process
- sensory threshold
- seocalcitol
- sepsis
- septal nuclei
- septate
- septic shock
- septicemia
- septo-optic dysplasia
- sequence analysis
- sequential
- serine
- serine protease
- seroma
- serositis
- serotonin
- serotonin agonist
- serotonin antagonist
- serotonin degradation
- serotonin receptor
- serotonin transporter
- serotyping
- serous
- serous membrane
- serous sac
- serpin
- serratia
- serratia ficaria
- serratia fonticola
- serratia liquefaciens
- serratia marcescens
- serratia odorifera
- serratia plymuthica
- serratia rubidaea
- sertoli cell
- sertraline
- serum
- serum albumin
- serum globulin
- serum sickness
- sesame oil
- sesquiterpene
- sestamibi scan
- setosphaeria rostrata
- sevelamer
- severe
- severe dengue
- severe myelosuppression
- severe preeclampsia
- severe sepsis
- sex
- sex behavior
- sex characteristic
- sex chromatin
- sex chromosome
- sex counseling
- sex determination
- sex differentiation
- sex distribution
- sex education
- sex offense
- sexual abstinence
- sexual dysfunction
- sexual maturation
- sexual sterilization
- sexuality
- sexually transmitted disease
- sezary syndrome
- shame
- shampoo
- shave biopsy
- shewanella
- shewanella algae
- shewanella putrefaciens
- shiga toxin
- shigella
- shigella boydii
- shigella dysenteriae
- shigella flexneri
- shigella sonnei
- shigella vaccines
- shingles
- shivering
- shock
- short stature
- short tandem repeat
- short-term memory
- shoulder
- shoulder dislocation
- shoulder dystocia
- shoulder fracture
- shoulder joint
- shoulder pain
- shunt thrombosis
- shwachman syndrome
- shwartzman phenomenon
- sialadenitis
- sialorrhea
- sialuria
- sibling
- sicca syndrome
- sickle cell anemia
- sideroblastic anemia
- siderophore
- sievert
- sigmoid colon
- sigmoidoscope
- sigmoidoscopy
- signal peptide
- signal transduction
- sildenafil citrate
- silent mutation
- silicate
- silicon dioxide
- silicone
- silicone elastomer
- silicosis
- siltuximab
- silver
- silver nitrate
- silver sulfadiazine
- silymarin
- simeprevir
- simethicone
- simian virus 40
- simple mastectomy
- simplexvirus
- simuliidae
- simultanagnosia
- simvastatin
- sincalide
- sindbis virus
- singlet oxygen
- sinuatrial node
- sinus
- sinus arrhythmia
- sinus bradycardia
- sinus histiocytosis
- sinus pain
- sinus rhythm
- sinus tachycardia
- sinusitis
- siplizumab
- sirenomelia
- sirolimus
- sisomicin
- sitagliptin phosphate
- site directed mutagenesis
- sitosterols
- sitting position
- Situs Inversus
- size perception
- sizofiran
- sjogren's syndrome
- skeletal development
- skeletal myocytes
- skeletal system
- skeleton
- skin
- skin absorption
- skin aging
- skin carcinoma
- skin erosion
- skin induration
- skin neoplasm
- skin nodule
- skin papilloma
- skin pigmentation
- skin tag
- skin transplantation
- skin ulcer
- skull
- skull fracture
- skull neoplasm
- slackia exigua
- sleep
- sleep apnea
- sleep deprivation
- sleep disorders
- sleep paralysis
- sleep stage
- sleep terror
- sleeplessness
- small
- small intestine
- small molecule
- smallpox
- smallpox vaccine
- smallpox virus
- smegma
- smith magenis syndrome
- smokeless tobacco
- smoking behavior
- smoking cessation
- smooth muscle
- smooth muscle cell
- smrt protein
- sneeze
- snoring
- soblidotin
- social disinhibition
- social media
- social perception
- social problem
- social psychology
- social work
- socialization
- socioeconomics
- sociometric technique
- sodium
- sodium acetate
- sodium bicarbonate
- sodium borocaptate
- sodium cation
- sodium channel
- sodium chloride
- sodium fluoride
- sodium hypochlorite
- sodium lactate
- sodium salicylate
- sodium selenite
- sodium stibogluconate
- sodium sulfite
- sodium thiosulfate
- sofosbuvir
- soft palate
- soft tissue
- solid neoplasm
- solid organ
- solobacterium moorei
- solubility
- solution
- solvent
- somatic mutation
- somatization
- somatoform disorder
- somatomedins
- somatosensory cortex
- somatostatin
- somatostatin receptor
- somatostatinoma
- somatotrophs
- somnambulism
- somnolence
- somnolence syndrome
- sonication
- soot
- sorafenib
- sorafenib tosylate
- sorbitol
- sore throat
- sorivudine
- sotalol
- sotos' syndrome
- southern blotting
- soybean oil
- space perception
- sparganosis
- spasm
- spastic quadriplegia
- spasticity
- special education
- specimen
- specimen collection
- specimen treatment
- spectinomycin
- spectral karyotyping
- spectrin
- spectrometry
- spectrophotometer
- spectrophotometry
- spectrum analysis
- speculum
- speech
- speech disorder
- speech therapy
- sperm capacitation
- sperm cell
- sperm head
- sperm midpiece
- sperm motility
- sperm retrieval
- sperm tail
- spermatic cord
- spermatic stasis
- spermatid
- spermatocele
- spermatocyte
- spermatogenesis
- spermatogonium
- spermicide
- spermidine
- spermine
- s-phase fraction
- sphenoid sinusitis
- sphenoidal sinus
- spherocyte count
- spherocytes
- spherocytosis
- spheroplast
- sphincter
- sphingobacterium
- sphingobacterium mizutaii
- sphingolipid
- sphingolipidosis
- sphingomonadaceae
- sphingomonas
- sphingomonas paucimobilis
- sphingomyelins
- sphingosine
- sphygmomanometer
- spider bite
- spider venom
- spina bifida
- spinal artery
- spinal block
- spinal cord
- spinal cord disease
- spinal cord injury
- spinal cord neoplasms
- spinal disease
- spinal fracture
- spinal ganglion
- spinal muscular atrophy
- spinal nerve
- spinal stenosis
- spindle pole
- spindle pole body
- spine injury
- spinocerebellar ataxia
- spiral colon
- spiramycin
- spirillum
- spirillum minus
- spirochaetaceae
- spirochaetales infection
- spirometry
- spironolactone
- splanchnic nerve
- spleen
- spleen development
- spleen disorder
- splenectomy
- splenic abscess
- splenic infection
- splenic neoplasm
- splenic rupture
- splenomegaly
- spliceosome
- split brain
- spondylarthritis
- spondylitis
- spondylolisthesis
- spondylolysis
- spondylosis
- sponge
- spontaneous abortion
- spontaneous perforation
- sporothrix
- sporothrix schenckii
- sports medicine
- spousal abuse
- spouse
- sprain
- spumavirus
- sputum
- squalamine lactate
- squalene
- squamous cell carcinoma
- square metres
- sscp analysis
- stable angina
- staining
- stanozolol
- staphage lysate
- staphylococcaceae
- staphylococcal infections
- staphylococcus
- staphylococcus arlettae
- staphylococcus aureus
- staphylococcus capitis
- staphylococcus caprae
- staphylococcus carnosus
- staphylococcus cohnii
- staphylococcus epidermidis
- staphylococcus equorum
- staphylococcus felis
- staphylococcus gallinarum
- staphylococcus haemolyticus
- staphylococcus hominis
- staphylococcus hyicus
- staphylococcus intermedius
- staphylococcus kloosii
- staphylococcus lentus
- staphylococcus lugdunensis
- staphylococcus pasteuri
- staphylococcus saprophyticus
- staphylococcus schleiferi
- staphylococcus sciuri
- staphylococcus simulans
- staphylococcus succinus
- staphylococcus warneri
- staphylococcus xylosus
- starch
- startle reflex
- starvation
- statistical cluster
- statistical distribution
- statistical prevalence
- statistical significance
- status
- status asthmaticus
- status epilepticus
- staurosporine
- stavudine
- stearates
- stearic acid
- steatocystoma multiplex
- steatohepatitis
- steatorrhea
- stem cell
- stemphylium
- stenosis
- stenotrophomona
- stent
- stephanoascus ciferrii
- stereocilium
- stereotactic biopsy
- stereotactic imaging
- stereotaxic technique
- stereotyped behavior
- sternocephalicus muscle
- sternum
- steroid
- steroid biosynthesis
- steroid hormone
- steroid therapy
- sterol
- sterol esterase
- stevens-johnson syndrome
- stifle joint
- stigmastanol
- stigmasterol
- stilbene
- stillbirth
- stoichiometry
- stomach
- stomach carcinoma
- stomach disorder
- stomach diverticulum
- stomach neoplasm
- stomatitis
- stomatocyte count
- stomatognathic system
- storage
- strabismus
- stratification
- streptavidin
- streptobacillus
- streptococcaceae
- streptococcal infections
- streptococcus
- streptococcus agalactiae
- streptococcus anginosus
- streptococcus bovis
- streptococcus canis
- streptococcus constellatus
- streptococcus cristatus
- streptococcus equi
- streptococcus equinus
- streptococcus gallolyticus
- streptococcus gordonii
- streptococcus infantarius
- streptococcus intermedius
- streptococcus lutetiensis
- streptococcus milleri
- streptococcus mitis
- streptococcus mutans
- streptococcus oralis
- streptococcus pneumoniae
- streptococcus porcinus
- streptococcus pyogenes
- streptococcus salivarius
- streptococcus sanguis
- streptococcus suis
- streptococcus thermophilus
- streptococcus uberis
- streptococcus urinalis
- streptococcus viridans
- streptogramin a
- streptokinase
- streptomyces
- streptomyces albus
- streptomyces griseus
- streptomyces somaliensis
- streptomycetaceae
- streptomycin
- streptonigrin
- streptozotocin
- stress
- stress echocardiography
- stress fiber
- stress fracture
- stressor
- striated muscle
- stridor
- stroke
- stroke rehabilitation
- stroke volume
- stroma
- stromal cell
- stromal neoplasm
- strongyloide
- strongyloides stercoralis
- strongyloidiasis
- strontium
- strophanthidin
- struma ovarii
- strychnine
- study activity
- study subject
- stupor
- sturge-weber syndrome
- stutter
- subacute
- subacute thyroiditis
- subarachnoid hemorrhage
- subarachnoid space
- subcategory
- subchronic
- subclavian artery
- subcutaneous emphysema
- subcutaneous fat
- subcutaneous nodule
- subcutaneous tissue
- subdural hemorrhage
- subdural space
- subependymal cysts
- subependymal glioma
- subfamily lentivirinae
- subgaleal haematoma
- subinvestigator
- subject age
- sublingual gland
- sublingual region
- submandibular gland
- submission
- submucosa
- subphrenic abscess
- subserosa
- substance p
- substantia gelatinosa
- substantia innominata
- substantia nigra
- succimer
- succinate
- succinate dehydrogenase
- succinylcholine
- suck reflex
- sucralfate
- sucrose
- suction drainage
- sudden cardiac death
- sudden death
- suffix
- sugar
- sugar alcohol
- suicidal ideation
- suicide
- sulbactam
- sulfacetamide
- sulfachlorpyridazine
- sulfadiazine
- sulfadimethoxine
- sulfadoxine
- sulfaguanidine
- sulfalene
- sulfamerazine
- sulfameter
- sulfamethazine
- sulfamethizole
- sulfamethoxazole
- sulfamethoxypyridazine
- sulfamonomethoxine
- sulfanilamide
- sulfaphenazole
- sulfapyridine
- sulfaquinoxaline
- sulfasalazine
- sulfhydryl reagents
- sulfide
- sulfinpyrazone
- sulfisoxazole
- sulfoglycosphingolipid
- sulfonamide
- sulfone
- sulfonylurea compounds
- sulfotransferase
- sulfur
- sulfur compound
- sulfur hexafluoride
- sulindac
- sumatriptan
- sun exposure
- sunburn
- sunct syndrome
- sunitinib
- sunitinib malate
- sunscreen
- sunstroke
- superantigen
- superficial
- superficial thrombophlebitis
- superior colliculus
- superior vena cava
- supernumerary
- supernumerary tooth
- superoxide
- superoxide dismutase
- supine
- suppository
- suppuration
- suppurative cholangitis
- suprachiasmatic nucleus
- supratentorial brain
- supratentorial neoplasm
- supraventricular tachycardia
- sural nerve
- suramin
- surface
- surface antigen
- surgeon
- surgical clamp
- surgical drape
- surgical flap
- surgical gowns
- surgical incision
- surgical menopause
- surgical mesh
- surgical replantation
- surgical sponge
- surgical staplers
- surgical stoma
- surgical wound
- survival rate
- survivor
- susac syndrome
- suspension
- sutterella
- suttonella
- suttonella indologenes
- suture
- swab
- sweat
- sweat gland
- sweating
- sweet syndrome
- symbolism
- sympathectomy
- sympathetic ganglion
- symptom
- symptomatic
- synapse
- synapse assembly
- synapsins
- synaptic cleft
- synaptic membrane
- synaptic transmission
- synaptic vesicle
- synaptonemal complex
- synaptophysin
- synaptosome
- synaptotagmin
- synarthrosis
- syncephalastrum
- syncope
- syndactyly
- syndecan
- syndrome
- syngeneic
- synovectomy
- synovial bursa
- synovial cyst
- synovial fluid
- synovial membrane
- synovial sarcoma
- synoviocytes
- synovitis
- syntax
- synthesis
- synthetic androgen
- syphilis
- syringe
- syringoma
- syringomyelia
- systemic chemotherapy
- systemic disease
- systemic mastocytosis
- systemic scleroderma
- systolic pressure