Medical Terminology & Phrases

S1-S5 (sacral vertebrae)
SA node
Sabin vaccine
Sac, egg
Sac, pericardial
Saccharin
Saccharomyces cerevista (yeast) genome
Saccular
Saccular aneurysm
Sacral agenesis
Sacral vertebrae
Sacrum
SAD (seasonal affective disorder)
Safe sex
Sagittal
Sagittal (anatomic orientation)
Saline
Salivary gland
Salk Institute
Salk vaccine
Salmonella
Salmonellosis
Salpingo-oophorectomy
Salt
Salvage therapy
SAMHSA
Sample, random
San Joaquin Valley disease
Sand, biliary
Sanfilippo syndrome
Sanguine
Saphenous vein
Saphenous vein, great
Saphenous vein, large
Saphenous vein, small
SAPHO syndrome
Sapphism
Sarcoidosis
Sarcom, metastatic
Sarcoma
Sarcoma botryoides
Sarcoma, botryoides
Sarcoma, Ewing
Sarcoma, Kaposi
Sarcoma, soft-tissue
Sarcoma, synovial
Sartorius muscle
Satellite DNA
Sawbones
Scabicide
Scabies
Scabies, crusted
Scalded skin syndrome
Scale, Centigrade
Scale, Fahrenheit
Scale, skin
Scaling
Scalp ringworm
Scan, bone
Scan, CAT
Scan, computerized axial tomography
Scan, computerized tomography
Scan, CT
Scan, helical CAT
Scan, radionuclide
Scan, spiral CAT
Scan, thyroid
Scapula
SCFE
Schadenfreude
Schedule, Gesell developmental
Scheuermann’s disease
Schistosoma haematobium
Schistosoma japonicum
Schistosoma mansoni
Schistosomiasis
Schizencephaly
Schizoaffective disorder
Schizoid
Schizophrenia
Schizophrenia, childhood
Schizotypal personality disorder
Schmorl's node
School, first American medical
Sciatic nerve
Sciatica
Science (journal)
Science, cognitive
Scintigraphy
Scintimammography
Sclera
Sclerencephaly
Scleritis
Sclero- (prefix)
Sclerodactyly
Scleroderma
Sclerosing cholangitis
Sclerosing panencephalitis, subacute (SSPE)
Sclerosis
Sclerosis, multiple (MS)
SCN (severe congenital neutropenia)
Scoliosis
Scoliosis, acquired
Scoliosis, congenital
Scoliosis, functional
Scoliosis, idiopathic
Scoliosis, nonstructural
Scoliosis, structural
Scopolamine
Score, Apgar
Score, Gleason
Scrape
Scratch test for allergy
Screening, newborn hearing
Scrotum
Scrub typhus
Scurvy
Sea poisoning
Seabather's itch
Seasonal affective disorder (SAD)
Seat belt
Sebaceous cyst
Sebaceous gland
Seborrhea
Seborrheic eczema
Seborrheic keratosis
Sebum
Seckel syndrome
Second cranial nerve
Second stage of labor
Second-hand smoke
Secondary amenorrhea
Secondary amyloidosis
Secretary's knee
Secretase, beta-
Secretin
Section
Section, Caesarian
Section, Cesarian
Section, cross
Section, longitudinal
Section, lower segment Cesarian (LSCS)
Sedative
Sedimentation rate
Seed implantation
Segawa dystonia
Segment, genomic
Seizure
Seizure disorders
Seizure, absence
Seizure, atonic
Seizure, complex partial
Seizure, febrile
Seizure, Jacksonian
Seizure, myoclonic
Seizure, partial
Seizure, Petit Mal
Seizure, tonic-clonic
Selective Estrogen-Receptor Modulator (SERM)
selective mutism
Selective serotonin reuptake inhibitor
Selective tubal occlusion procedure
Selenium
Selenium deficiency
Selenium excess
Self, fear of
Sella turcica
Seminal vesicles
Senescence
Senile chorea
Sensation
Sense
Sense, balance
Sensorium
Sensory
Sensory integration
Sentinel lymph node
Sentinel-lymph-node biopsy
Sepsis
Sepsis, neonatal
Septal defect, atrial (ASD)
Septal defect, ventricular (VSD)
Septate
Septate vagina
Septic
Septic arthritis
Septic bursitis
Septicemia
Septorhinoplasty
Septum
Septum, atrial
Septum, cardiac
Septum, heart
Septum, interatrial
Septum, interventricular
Septum, nasal
Septum, ventricular
Sequence tagged site (STS)
Sequence, complementary
Sequence, conserved
Sequence, draft DNA
Sequence, finished DNA
Sequence, intervening
Sequence, regulatory
Sequencing
SERM
Seroconversion
Serositis
Serotonin
Serotonin reuptake inhibitor, selective
Serotype
Serum
Serum glutamic oxaloacetic transaminase (SGOT)
Serum glutamic pyruvic transaminase (SGPT)
Serum hepatitis
Sesamoid bone
Seven-day measles
Seventh cranial nerve
Seventh cranial nerve paralysis
Sever condition
Severe congenital neutropenia
Sexual child abuse
Sexually transmitted disease
Sexually transmitted disease in men
Sexually transmitted diseases in women
SGA
SGOT
SGPT
Shaken baby syndrome
Sharp
Shell shock
Shigella
Shigellosis
Shin bone fever
Shin splint
Shinbone
Shingles
Shingles pain
Shock
Shock syndrome, dengue
Shock, vasogenic
Shock, anaphylactic
Shock, cardiogenic
Shock, hypovolemic
Shock, primary
Shock, psychologic
Shock, secondary
Shock, septic
Shock, shell
Shock, spinal
Shock, toxic
Shock, vasogenic
Short arm of a chromosome
Short-term memory
Shot, flu
Shots, allergy
Shotty
Shoulder
Shoulder blade
Shoulder bursitis
Shoulder joint
Shoulder, frozen
Show
Shprintzen syndrome
Shulman’s syndrome (Eosinophilic fasciitis)
Shunt
Shunt ventriculopleural
Shunt, Blalock-Taussig
Shunt, transjugular intrahepatic portosystemic
Shunt, transjugular, intrapheptic, protosystemic
Shunt, triculoperitoneal
Shunt, ventriculoatrial
Sialidosis
Siamese twin
Sib
Sibling
Sibship
Sicca syndrome
Sick building syndrome
Sick sinus syndrome
Sickle cell anemia
Sickle cell disease
Sickle cell trait
Sickle hemoglobin
Sickness, acute mountain (AMS)
Sickness, altitude
Sickness, morning
Sickness, motion
Sickness, mountain
Side effects
SIDS (sudden infant death syndrome)
Sight, day
Sigma Theta Tau
Sigmoidoscope
Sigmoidoscopy
Sign
Sign, Babinski
Sign, Gottron
Sign, Kernig
Sign, Lhermitte
Sign, Macewen
Sign, Tinel's
Sign, toe
Signal transduction
Signature
Silencing, gene
Silent stroke
Silica
Silicosis
Silver
Silver poisoning
Single-gene diseases
Singultus
Sinoatrial node
Sinus arrhythmia
Sinus barotrauma
Sinus node
Sinus rhythm
Sinus tachycardia
Sinus, cavernous
Sinusitis
Sitosterolemia
Situational syncope
Situs inversus totalis
Six fingers or toes
Sixth cranial nerve
Sixth disease
Sjogren's syndrome
Sjogren-Larsson syndrome
Skeletal
Skeletal dysplasia
Skeletal muscle
Skeleton
Skeleton, bones of the
Skin
Skin biopsy
Skin Diseases, National Institute of...
Skin erosion
Skin graft
Skin graft, allogeneic
Skin graft, autogenic
Skin graft, composite
Skin graft, full-thickness
Skin graft, mesh
Skin graft, pedicle
Skin graft, pinch
Skin graft, porcine
Skin graft, split-thickness
Skin plaque
Skin tag
Skin test for allergy
Skin test for immunity
Skin, scalded, syndrome
Skin, tattooing of the
Skull
SKY (spectral karyotype)
Slanted ear
SLE (systemic lupus erythematosus)
Sleep
Sleep apnea
Sleep apnea, central
Sleep apnea, obstructive
Sleep disorders
Sleep paralysis
Sleep, non-rapid eye movement
Sleep, NREM
Sleep, paroxysmal
Sleep, rapid eye movement
Sleep, REM
Sleep, twilight
Sleep-disordered breathing
Sleepiness, excessive daytime (EDS)
Sleeping disease
Sleepwalking
Sliding hiatal hernia
Slipped disc
Slow-wave sleep
SLS (Sjogren-Larsson syndrome)
Sludge, biliary
Small cell lung cancer
Small eye
Small for gestational age (SGA)
Small intestine
Small saphenous vein
Smallpox (variola)
Smear, Pap
Smell
Smell, inability to
Smoke, environmental tobacco
Smoke, second-hand
Smokeless tobacco
Smoking, involuntary
Smoking, passive
Smoldering leukemia
Smooth muscle
Snake stick
Snellen's chart
Snellen's test type
Snoreplasty, injection
Snoring
Snort
Snowmobile safety
Snuff
Snuffbox, anatomical
Social anxiety disorder
Social phobia
Social psychology
Sociophobia
Sodium
Soft palate
Soft tissue, sarcoma
Solipsism
Solitude, fear of
Somatic mutation
Somatization
Somatotropin
Somatropin
Somnambulism
Somnambulist
Somnolence
Somnoplasty
Soothing
Soporific
Sore, canker
Sore, cold
Southeast Asian hemorrhagic fever
Southern blot
Soy milk allergy
Span, memory
Spasm
Spasm, coronary artery
Spasm, nictitating
Spasmodic dysphonia
Spastic colitis
Spastic paraplegia, autosomal dominant
Spastic pseudoparalysis
Spasticity
SPD calcinosis
Specific developmental disorder
Specific-pathogen free
Speckled iris
SPECT
Spectral karyotype (SKY)
Spectrophobia
Speculum
Speculum, ear
Speculum, nasal
Speculum, vaginal
Speech disorders
Speech therapist
Speech therapy
Speech-language pathologist
Speed
Sperm
Spermatic cord
Spermatocide
Spermicide, vaginal
SPF
Sphenoid bone
Spherocytosis, hereditary (HS)
Sphingomyelin lipoidosis
Sphingomyelinase deficiency
Sphygmomanometer
Spider bites
Spider telangiectasia
Spider veins
Spilt personality
Spina bifida
Spina bifida cystica
Spina bifida occulta
Spinal stenosis
Spinal Tap
Spine
Spiral CAT scan
Spiral fracture
Spirochete
Spleen
Spleen, ruptured
Splenectomy
Splenic artery
Splenic fever
Splenic vein
Splenomegaly
Splenopalatine neuralgia
Splicing, alternative DNA
Split-hand/split-foot malformation
Spondylitis
Spondylolisthesis
Spondylolysis
Spondylosis
Sponge, vaginal contraceptive
Spongy degeneration of the central nervous system
Sporadic
Sporotrichosis
Spot, blind
Spots in front of the eyes
Spots, Brushfield’s
Spots, Koplik’s
Spotted fever
Sprain
Sprue, nontropical
Spur, heel
Sputum
Squamous cell carcinoma
Squamous cell carcinoma in situ
Squamous cells
Squamous intraepithelial lesion
SSPE
SSRI
St John's wort
St. Anthony's fire
St. Louis encephalitis
Staff of Aesculapius
Stage
Stage of dilatation
Stage of expulsion
Staging
Stain, Gram
Staph
Staph infection
Staphylococcal infection
Staphylococcal scalded skin syndrome
Staphylococcus
Staphylococcus, antibiotic-resistant
Stargardt disease
Startle disease
Startle reflex
Stasis
Stasis dermatitis
Stasis ulcer
STAT
State, hypercoagulable
Statins
Status epilepticus
Statutory rape
STD
STDs in men
STDs in women
Stein-Leventhal syndrome
Stem cell
Stem cell harvest
Stem cell harvest, peripheral blood
Stem cell transplantation
Stenosis
Stenosis, aortic
Stenosis, pulmonary
Stenosis, subaortic
Stent
Stereotactic
Stereotactic needle biopsy
Stereotactic radiotherapy
Stereotactic surgery
Stereotaxis
Sterilization, female surgical
Sterilization, male surgical
Sterilization, surgical
Sternal rib
Sternum
Sternutation
Steroid
Steroid abuse
Stevens-Johnson syndrome (SJS)
Stick, heel
Stiff baby syndrome
Still's disease
Stings, Africanized bee
Stings, insect
Stoma
Stomach
Stomach cancer
Stomach emptying study
Stomach flu
Stomach paralysis
Stomach, Pavlov
Stomatitis, Vincent
Stone, kidney
Stone, renal
Stone, tonsil
Stones, cystine kidney
Stool
Stool occult blood test
STOP (selective tubal occlusion procedure)
Stop codon
Storm supplies kit
Strabismus
Strain
Stratum corneum
Strep
Strep test, rapid
Strep throat
Streptococcus
Streptococcus faecalis
Streptococcus haemolyticus
Streptococcus pneumoniae (pneumococcus)
Streptococcus pyogenes
Streptococcus, group A
Streptococcus, group B
Stress echocardiography
Stress test, pharmacologic
Stress test, physiologic
Stress testing, exercise cardiac
Stress testing, radionucleide
Stretch, quadriceps
Striatum
Stricture
Stricture of the esophagus, chronic
Stricture, esophagus, acute
Striopallidodentate calcinosis
Stroke
Stroke volume
Stroke, heat
Stroke, National Institute Neurological Disorders
Stroke, silent
Stroma
Structural genomics
Structural scoliosis
STS
Study, antro-duodenal motility
Study, cross-sectional
Study, crossover
Study, diachronic
Study, Framingham
Study, gastric emptying
Study, linkage
Study, longitudinal
Study, preclinical
Study, stomach emptying
Study, synchronic
Sturge-Weber syndrome
Subacute
Subacute sclerosing panencephalitis (SSPE)
Subaortic stenosis
Subarachnoid
Subarachnoid hemorrhage
Subclinical disease
Subcu
Subcutaneous
Subglottis
Sublingual
Sublingual gland
Subluxation
Submandibular gland
Submaxillary gland
Subq
Subscapular
Subscapularis muscle
Substance Abuse and Mental Health Services
Substance, pressor
Subtelomeric
Subtotal hysterectomy
Subungual onychomycosis, proximal white
Succenturiate
Succenturiate placenta
Suction-assisted lipectomy
Sudden Infant Death Syndrome (SIDS)
Sudoriferous gland
Suicide and sexual orientation
Suicide gene
Suicide prevention
Sulcus
Sulfa drug
Sulfonamides
Summer cold
Sun protection factor (SPF)
Sunscreen
Superaspirin
Superficial (anatomic orientation)
Superior (anatomic orientation)
Superior vena cava
Superior vena cava syndrome
Supernumerary
Supernumerary digit
Supernumerary nipple
Supernumerary placenta
Supertaster
Supination
Supine
Supine (anatomic orientation)
Supplies kit, disaster
Supplies kit, emergency
Supportive care
Suppressant, cough
Suppurative arthritis
Supraglottis
Suprarenal gland
Supraspinatus muscle
Suprasternal notch
Surfactant
Surgeon
Surgeon general
Surgery
Surgery, anti-reflux (fundoplication)
Surgery, cataract
Surgery, elective
Surgery, GERD (fundoplication)
Surgery, plastic
Surgery, reflux (fundoplication)
Surgery, retrograde intrarenal (RIRS)
Surgery, stereotactic
Surgery, Yag laser
Surgical menopause
Surgicenter
Susceptibility genes, breast cancer
Suture
Swallowing syncope
Swan-Ganz catheter
Sweat
Sweat chloride test
Sweat gland
Sweat gland tumor
Sweat test
Sweating
Sweating, gustatory
Sweats, night
Swimming pool granuloma
Sydenham’s chorea
Sylvatic plague
Sylvius, aqueduct of
Symmetric lipomatosis, multiple
Sympathetic nervous system
Sympathicoblastoma (neuroblastoma)
Symphysiotomy
Symphysis pubis
Symptom
Symptomatic treatment
Symptoms, withdrawal
Synapse
Synchronic study
Syncope (fainting)
Syncope, coughing
Syncope, defecation
Syncope, heat
Syncope, micturition
Syncope, situational
Syncope, swallowing
Syncope, vasodepressor
Syncope, vasovagal
Syndactyly
Syndactyly, bony
Syndactyly, complete
Syndactyly, cutaneous
Syndactyly, partial
Syndactyly, Poland
Syndome, Osler-Rendu-Weber
Syndromatic hepatic ductular hypoplasia
Syndrome
Syndrome of ichthyosis, spasticity, & oligophrenia
Syndrome premenstrual
Syndrome, 4p-
Syndrome, Aarskog-Scott
Syndrome, abdominal muscle deficiency
Syndrome, Achoo
Syndrome, acquired immunodeficiency
Syndrome, acute respiratory distress (ARDS)
Syndrome, adult respiratory distress
Syndrome, Alagille
Syndrome, Alexander
Syndrome, Alpers
Syndrome, Alport
Syndrome, androgen insensitivity
Syndrome, antiphospholipid antibody
Syndrome, Apert (acrocephalosyndactyly)
Syndrome, Asperger
Syndrome, atypical measles (AMS)
Syndrome, autoimmune polyendocrinopathy
Syndrome, autoimmune polyglandular (APS)
Syndrome, Barlow
Syndrome, battered child
Syndrome, Behcet's
Syndrome, Bernard
Syndrome, Bernard-Soulier
Syndrome, Bloch-Sulzberger
Syndrome, Boerhaave's
Syndrome, Brachmann-de Lange
Syndrome, Brown
Syndrome, burning mouth
Syndrome, carcinoid
Syndrome, carpal tunnel
Syndrome, cartilage hair hypoplasia
Syndrome, cauda equina
Syndrome, cavernous sinus
Syndrome, cerebrohepatorenal
Syndrome, chromosome 4 short-arm deletion
Syndrome, Churg-Strauss
Syndrome, Cockayne
Syndrome, Cogan
Syndrome, complete androgen insensitivity
Syndrome, congenital central hypoventilation
Syndrome, congenital rubella
Syndrome, Conn
Syndrome, contiguous gene
Syndrome, Cornelia de Lange
Syndrome, cracked tooth
Syndrome, Creutzfeldt-Jakob
Syndrome, Cushing
Syndrome, Danlos
Syndrome, de Lange
Syndrome, deafness-ichthyosis-keratitis
Syndrome, dengue shock
Syndrome, DiGeorge (DGS)
Syndrome, Down
Syndrome, dumping
Syndrome, dyskeratosis congenita
Syndrome, Eagle
Syndrome, economy class
Syndrome, Edwards
Syndrome, Ehlers-Danlos (EDS)
Syndrome, Fahr
Syndrome, fetal alcohol (FAS)
Syndrome, fish-odor
Syndrome, floppy baby
Syndrome, fragile X
Syndrome, Frey
Syndrome, Gareis-Mason
Syndrome, Gelineau
Syndrome, giant platelet
Syndrome, Gilbert
Syndrome, goiter-deafness
Syndrome, Gower (situational syncope)
Syndrome, Guillain-Barre
Syndrome, Gulf War
Syndrome, Gustavson
Syndrome, hand-foot-and-mouth
Syndrome, Hantavirus pulmonary (HPS)
Syndrome, Hecht
Syndrome, HELLP
Syndrome, hemolytic-uremic (HUS)
Syndrome, Hermansky-Pudlak (HPS)
Syndrome, Horner
Syndrome, Hurler
Syndrome, hypoplastic left heart
Syndrome, ichthyosis-keratitis-deafness
Syndrome, incontinentia pigmenti (IP)
Syndrome, irritable bowel (IBS)
Syndrome, Jadassohn-Lewandowski
Syndrome, Johnson-Stevens
Syndrome, joint hypermobility
Syndrome, Kanner
Syndrome, Kartagener’s
Syndrome, Kawasaki
Syndrome, keratitis-ichthyosis-deafness
Syndrome, KID
Syndrome, Kimmelstiel-Wilson
Syndrome, kinky hair
Syndrome, Klinefelter
Syndrome, Klippel-Feil
Syndrome, Klippel-Trenaunay-Weber (KTW)
Syndrome, Kostmann
Syndrome, Landau-Kleffner (LKS)
Syndrome, Launois-Bensaude
Syndrome, Lennnox
Syndrome, Lennox-Gastaut
Syndrome, Li-Fraumeni (LFS)
Syndrome, lipodystrophy
Syndrome, locked-in
Syndrome, long QT
Syndrome, long QT (LQTS)
Syndrome, Marfan
Syndrome, Martin-Bell
Syndrome, MASA
Syndrome, MASS
Syndrome, McKusick-Kaufman
Syndrome, MELAS
Syndrome, Meniere
Syndrome, Menkes
Syndrome, mucocutaneous lymph node
Syndrome, Munchhausen
Syndrome, myelodysplastic
Syndrome, nail-patella
Syndrome, nervous colon
Syndrome, Noonan (NS)
Syndrome, Pallister-Killian
Syndrome, paraneoplastic
Syndrome, Patau
Syndrome, patellofemoral (PFS)
Syndrome, Pendred
Syndrome, Peter Pan
Syndrome, phantom limb
Syndrome, Pickwickian
Syndrome, piriformis
Syndrome, Pisa
Syndrome, Poland
Syndrome, polyglandular autoimmune (PGA)
Syndrome, popliteal pterygium
Syndrome, post-polio (PPS)
Syndrome, Prader-Willi
Syndrome, Proteus
Syndrome, prune belly
Syndrome, radial aplasia-thrombocytopenia
Syndrome, Raeder’s
Syndrome, Ramsey Hunt
Syndrome, reflex sympathetic dystrophy (RSDS)
Syndrome, Reiter
Syndrome, renal, with hemorrhagic fever
Syndrome, Rendu-Osler-Weber
Syndrome, Rett
Syndrome, Reye
Syndrome, Rothmund-Thomson
Syndrome, SAPHO
Syndrome, scalded skin
Syndrome, Shprintzen
Syndrome, Shulman’s (Eosinophilic fasciitis)
Syndrome, sicca
Syndrome, sick sinus
Syndrome, Sjogren
Syndrome, Sjogren-Larsson
Syndrome, Stein-Leventhal
Syndrome, Stevens-Johnson(SJS)
Syndrome, stiff baby
Syndrome, superior vena cava
Syndrome, TAR
Syndrome, temporomandibular joint
Syndrome, testicular feminization
Syndrome, tetraphocomelia-thrombocytopenia
Syndrome, third and fourth pharyngeal pouch
Syndrome, thoracic outlet
Syndrome, thrombocytopenia-absent radius
Syndrome, TMJ
Syndrome, Tourette
Syndrome, toxic shock
Syndrome, trisomy 13
Syndrome, trisomy 18
Syndrome, trisomy 21
Syndrome, Turner-Kieser
Syndrome, Usher
Syndrome, von Hippel-Lindau
Syndrome, Waardenburg
Syndrome, Werner
Syndrome, Wolf-Hirschhorn
Syndrome, Wolff-Parkinson-White
Syndrome, Wolfram
Syndrome, WPW
Syndrome, yeast
Syndrome, Zellweger
Syndrome, Zollinger-Ellison
Synesthesia
Synesthete
Synovia
Synovial chondromatosis
Synovial cyst, popliteal
Synovial fluid
Synovial lining
Synovial osteochondromatosis
Synovitis
Synthesis
Syphilis
Syphilis test (FTA-ABS)
Syphilis test, RPR
Syphilis test, VDRL
Syphilis, congenital
Syphilis, tertiary
Syringe
Syringoma
System, autonomic nervous
System, cardiac conduction
System, central nervous (CNS)
System, immune
System, locomotive
System, parasympathetic nervous
System, peripheral nervous (PNS)
System, sympathetic nervous
Systemic lupus erythematosus
Systemic therapy
Systemic-onset juvenile chronic arthritis
Systemic-onset juvenile rheumatoid arthritis (Stil
Systole
Systolic

A ~ B ~ C ~ D ~ E ~ F ~ G ~ H ~ I ~ J ~ K ~ L ~ M
N ~ O ~ P ~ Q ~ R ~ S ~ T ~ U ~ V ~ W ~ X ~ Y ~ Z

If you want to add the above terminology to your speller program, please Click HERE for a comma-delimited list. If you want to know more about how medical words are formed, please click here.

Important:
Please use the above list at your own risk. While we make every effort to ensure accuracy, we cannot be held responsible for errors in spelling or capitalization, or any circumstance that may result because of said error. In using the above list you also agree to never hold Medword Medical Sales responsible for any errors should they exist. We appreciate notification of any duplicate listings that may be found.