240 GLOSSARY. 
So’ le us (flat). 
Sper mat’ ic (sperma, seed) : pertaining to the reproductive fluid called 
semen. 
Sper mato zo’a (sperma, seed; soa, animals) : plural of spermatozo6n. 
Sper ma to zo’ 6n: the male reproductive cell developed in the testis. 
Sphen’ oid (sphen, wedge; oid, like). 
Sphinc’ ter (to squeeze) : the name of a muscle surrounding and capa- 
ble of closing an orifice. 
Splanch’ nic: pertaining to the viscera. 
Sub: a common prefix denoting under or beneath. 
Sty’ loid (stulos, a pillar). 
Su’ pra: a prefix denoting above. 
Sul’ ci: plural of sulcus. 
Sul’ cus (sulcus, a furrow): a cleft or furrow in the brain. 
Syl’ vius: a noted anatomist. 
Sym’ phy sis (sun, together; phucin, to grow): the junction of bones, 
usually in the median line of the body. 
Synar thro’ sis (sun, together; arthron, a joint): a form of articula- 
tion in which the bones are immovably united. 
Sys’ tem: a collection of organs for one general purpose. 
Tel enceph’alon (telos, end; encephalon, brain): the cerebral hemi- 
spheres and corpora striata; the end brain. 
Te’ res: round. 
Thal’ a mus (thalamos, bed): the optic thalami form the chief part of 
the tween brain. 
Thy’ roid (thureos, a shield; oid, like): the name of structures in the 
region of the thyroid cartilage. 
Tib’ial (tibia, shin) : pertaining to the tibia or shin bone. 
Tri’ ceps (tres, three; caput, head). 
Tri cus’ pid: having three points or cusps. 
Trigem’inal: the fifth cranial nerve, so called because of its three 
divisions. 
Tro chan’ ter: the name of two processes on the femur. 
Troch’ le ar (trochilia, a pulley). 
Tur’ bin al: one of the turbinated or lateral ethmoid bones. 
Tym’ panum (tumpanum, a drum): the middle ear. 
Um bil’/icus (navel): the depressed cicatrix in the center of the 
abdomen marking the hole giving passage to the vessels formerly 
connecting the young with the mother. 
Un’ ciform (uncus, a hook; forma, form): a bone of the carpus. 
Un gula’ta (ungula, a hoof): an order of mammals characterized by 
hoofs. 
Ure’ ter: the tube from the kidney to the bladder. 
