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Medical Word Parts - Letter: s

Term	Definition
sacchar-	sugar
sacr/o	sacrum (large bone at base of spine)
salping/o	fallopian tube
sanit/a	health
sap/o	soap
sapro-	rotten
sarc/o	flesh, connective tissue
-sarcoma	cancer of connective tissue
saur/o	lizard
scaph/o	boat-shaped, scapha
scapul/o	scapula (shoulder blade)
scat-	dung
-schisis	cleft, split
schisto-	split, cleft
schiz-	division
scint/i	spark
scirrh/o	hard, hard tumor
scler-	hard
scler/o	white of eye, hard
-sclerosis	abnormal hardening
scoli/o	curved, crooked
-scope	instrument used to view
-scopy	process of viewing
scot/o	darkness
scrot/o	scrotum
seb/o	sebum, oil, fatty
sect-	dissect, cut
semi-	half
semin/i	semen
sensor/i	sensory
-sepsis	decay caused by
sept/o	septum, seven
septi-	seven
ser/o	blood serum
sesqui-	one and one-half
sex-	six
sial/o	saliva
sialaden/o	salivary gland
sicc-	dry
sider/o	iron
sigmold/o	sigmoid colon
silic/o	silica, quartz
sinistr/o	left
sinus/o	sinus
-sis	condition
sito-	bread, food
skeleto-	skeleton
socio-	social, society
somat/o	body
-some	body
somn/o	sleep
son/o	sound
-spadia	to tear, cut
span/o	scarce
-spasm	sudden, involuntary muscle contraction
spasmo-	spasm
spectr-	image
sperm/o	sperm cells
sperma-	sperm, seed
sphen/o	wedge, wedge-shaped
sphenoid/o	sphenoid (compound bone at base of skull)
spher/o	sphere, round
sphygmo-	pulse
spin/o	spine
spir/o	to breath
splanchn/o	viscera
splen/o	spleen
spondyl/o	vertebra, backbone
spongi/o	sponge-like
spor/o	spore, seed
squam/o	scaly
-stabile	stable, fixed
-stalsis	contraction
staped/o	stapes (a middle ear bone)
staphylo-	bunch of grapes
-stasis	maintenance of level, prevent increase
-stat	agent or device for keeping something from changing
steat/o	fat
-stenosis	abnormal narrowing
sterc-	feces
stere/o	three dimensional
stern/o	sternum (breastbone)
steth/o	chest
sthen/o	strength
stich/o	rows
stom/o	mouth
stoma-	mouth
-stomy	new opening
strat/i	layer
strept/o	twisted
-stroma	connective or supportive tissue of an organ
sub-	under, below
sud/o	sweat
super-	above, beyond
supra-	above, upward
syn-	together
synaps/o	point of contact
syndesm/o	ligament
synovi/o	synovial membrane, synovial joint
syphil/o	syphilis
syring/o	tube, pipe, fistula
systol/o	contraction