Sesamoid bone

sesamoid bone ; sesame+oid.like / bone

seventh cervical vertebra ; C7 ; seventh / cervic.neck+al.a / ( vert.turn+e+br.tool+a)

sexual masochism ; sex.sex+ual.a / masoch.Masoch+ism.n

sexual sadism ; sex.sex+ual.a / sad.Sade+ism.n

sexually-transmitted disease ; STD ; sexu.sex+al.a+ly.ad / trans.across+mitt.send+ed / dis.off+ease.easy

Sheehan's syndrome ; Sheehan's / syn.same+drom.run+e

shingles ; shi.sec.cut+ngles

shoulder girdle ; shoulder / gird.putabelt+le

shoulder presentation ; shoulder / ( pre.before+sent.be+at+ion.n)

shunt surgery ; shunt / s(chiro.hand)+urg.work+ery.n

sialadenitis ; sial.saliva+aden.gland+itis.inflammation

sialoadenectomy ; sial.saliva+o+aden.gland+(ec.out+tom.cut+y.n)

sialoadenotomy ; sial.saliva+o+aden.gland+o+tom.cut+y.n

sialodochoplasty ; sial.saliva+o+doch.contain.duct+o+plast.form+y.n

sialography ; sial.saliva+o+graphy.picture

sialolithiasis ; sial.saliva+o+lith.stone+iasis.disease

sialolithotomy ; sial.saliva+o+lith.stone+o+tom.cut+y.n

sickle cell anemia ; sickle / cell / an.without+em.blood+ia.n

siderosis ; sidero.iron+osis.disease

sigmoid colon ; sigma.sigma+oid.like / colon.limb.colon

signal to noise ratio ; SNR S/N ; signal / to / noise / ratio

silicosis ; silico.flint.silicon+osis.abnormalstate

Simmonds' disease ; Simmonds' / dis.off+ease.easy

simple columnar epithelium ; sim.same+ple.fold / column.pillar+ar.a / epi.up+thel.nipple.skin+um.n

simple cuboidal epithelium ; sim.same+ple.fold / cub.cube+oid.like+al.a / epi.up+theli.nipple.skin+um.n

simple fracture ; ( sim.semel.same+ple.fold) / fract.break+ure.n

simple immobilization ; ( sim.same+ple.fold) / im.not+mob.move+il+iz+at+ion.n

simple squamous epithelium ; sim.same+ple.fold / squam.scale+ous.a / epi.up+theli.nipple.skin+um.n

sinoatrial node ; sin.hollow+o+atri.atrium+al.a / node.knot

sinus ; sinus.cavity

sinus rhythm ; sinus.cavity / (rhy.flow+thm)rhythm

sinusitis ; sinus.cavity+itis.inflammation

skeletal muscle ; ( skel.dry+et)bone+al.a / muscle

skeletal system ; ( skel.dry+et)bone+al.a / sy.together+stem.stand

skeleton ; ( skel.dry+eton)mummy

skin ; skin.splitoff

skin appendage ; skin / ap.to+pend.hang+age.n

skin graft ; skin / graft.transplantation

small cardiac vein ; small / cardi.heart+ac.a / vein

small intestine ; small / in.inside+test+ine

smooth muscle ; smooth / (mus.mouse+cle.small)

social phobia ; ( soci.sequ.companion+al.a) / phob.fear+ia.n

sodium ; Na

soft palate ; soft / palat.mouthroof+e

soleus muscle ; sol.sole+eus / muscle

somatoform disorder ; soma.body+to+form.form / ( dis.off+order.order)

somnambulism ; somn.sleep+ambul.wander+ism.n

somnolence ; somn.sleep+ol.full+ence.n

spasm ; spa.pullout+sm.n

spematogonium ; spermat.seed.sperm+o+gon.gen.birth+ium.n

sperm ; sperm.seed

sperm body ; sperm.seed.semen / body

sperm head ; sperm.seed.semen / head

sperm neck ; sperm.seed.semen / neck

sperm tail ; sperm.seed.semen / tail

spermatic cord ; spermat.seed.sperm+ic.a / ( cor.bowel+d)string

spermatid ; spermat.seed.sperm+id

spermatocele ; spermat.seed.sperm+o+cele.swelling

spermatocyte ; spermat.seed.sperm+o+cyte.cell

spermatozoon ; spermat.seed.sperm+zoon.livingthing

sphenoid bone ; sphen.wedge+oid.like / bone

sphenoid fontanelle ; sphen.wedge+oid.like / fontanelle.softmembraneousspot

sphenoidal sinus ; sphen.wedge+oid.like+al.a / sinus.hollow

spheroidal articulation ; spher.globe+oid.like+al.a / art.join+i+cul.small+at+ion.n

spheroidal joint ; spher.globe+oid.like+al.a / joint.jung.joint

sphincter muscle of ampulla ; sphinc.strangle+ter.thing / muscle / of / (amp.amphi.both+pulla.fer.bear)

sphincter pupillae muscle ; ( sphinc.strangle+ter.thing) / ( pup.child+ill)pupil+ae / muscle

sphygnomanometer ; sphygmo.pulse+mano.rare+meter.measure

spina bifida ; spina.backbone / bi.two+fid.find.split+a

spina bifida ; spin.backbone+a / bi.two+fid.find.split+a

spinal accessory nerve ; ( spina.backbone+al.a) / ( ac.ad.toward+cess.go+ory.a) / nerve

spinal cavity ; spin.backbone+al.a / cav.hollow+ity.n

spinal cord ; spina.backbone+al.a / cord

spinal nerve ; spina.backbone+al.a / nerve

spinal root ; ( spina.backbone+al.a) / root

spinal stenosis ; spina.backbone+al.a / sten.narrow+osis.abnormalstate

spine of scapula ; spine.backbone / of / ( scap.delve+ula).shoulder

spinous process ; spina.thorn+ous.a / ( pro.forth+cess.go)

spiral ganglion ; spira.coil+al.a / ganglion.swollen

splenic flexure ; splen.spleen+ic.a / flex.bend+ure.n

splenomegaly ; splen.spleen+o+mega.big+ly.n

spondylitis ; spondyl.spine+itis.inflammation

spondyloarthritis ; spondyl.spine+o+arthr.joint+itis.inflammation

spondylolisthesis ; spondyl.spine+olisth.slide+esis.n

spondylolysis ; spondyl.spine+o+lys.loose+is.n

spondylomalacia ; spondyl.spine+o+malac.soft+ia.n

spongy urethra ; spongy / ( ur.urine+ethra)

spontaneous abortion ; ( spont.freewill+ane+ous.a) / ( ab.off+ort.comeintobeing+ion.n)

sprain ; ( s.ex.out+pr.press+ain)pressout

sputum ; sput.spit+um.n

squamous cell carcinoma ; squama.scale+ous.a / cell / carcin.crab.cancer+oma.tumor