2 4 GLOSSARY. 



So'leus (flat). 



Sper mat 7 ic (sperma, seed) : pertaining to the reproductive fluid called 

 semen. 



Sper ma to zo' a (sperma, seed; zoa, animals) : plural of spermatozoon. 



Sper ma to zo' on : the male reproductive cell developed in the testis. 



Sphen' old (sphen, wedge; old, 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'physis (sun, together; phuein, to grow) : the junction of bones, 

 usually in the median line of the body. 



Syn ar thro' sis (sun, together; arthron, a joint): a form of articula- 

 tion in which the bones are immovably united. 



Sys' tern : a collection of organs for one general purpose. 



Tel en ceph' a Ion (telos, end; encephalon, brain): the cerebral hemi- 

 spheres and corpora striata ; the end brain. 



Te' res : round. 



Thai' a mus (thalamos, bed) : the optic thalami form the chief part of 

 the tween brain. 



Thy'roid (thureos, a shield; old, 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. 



Tri gem' i nal : the fifth cranial nerve, so called because of its three 

 divisions. 



Tro chan' ter : the name of two processes on the femur. 



Troch'lear (trochilia, a pulley). 



Tur' bin al : one of the turbinated or lateral ethmoid bones. 



Tym'panum (tumpanum, a drum) : the middle ear. 



Um bil' i cus (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. 



Ungula'ta (ungula, a hoof) : an order of mammals characterized by 

 hoofs. 



U re' ter : the tube from the kidney to the bladder. 



