LIST OF TECHNICAL TERMS. 301 



tur'-bi-nal (Lat. turbo, a top). 



tym'-pa-num, pi. tympani (Lat. tympanum, a drum head). 



typ'-i-cal (Lat. typicus), expressing the essential characteristics of a 



type. 



ul'-na (Lat. ulna, the elbow), 

 um-bi-li'-cus (Lat. umbilicus, the navel), an opening into the calamus 



of a feather. 



um'-bo, pi. umbo'nes (Lat. umbo), a boss or short beak, 

 un'-ci-nate (Lat. uncus, a hook). 



u-ni-cel'-lu-lar (Lat. unus, one, and cella, a cell), one-celled, 

 u'-ni-valve (Lat. unus, one, and valva, fold), 

 u-re'-ter (Gr. ouron, urine). 



u'-ri-na-ry (Lat. urina, urine), pertaining to the urine, 

 u'-ro-stege (Gr. oura, tail, and stege, roof). 

 u'-ro-style (Gr. oura, tail, arid stulos, pillar, style [for writing]), a 



styliform process at the posterior extremity of the vertebral 



column. 



u'-te-rus (Lat. uterus), the womb, 

 vac'-u-ole (Lat. vacuus, empty). 



va'-gus (Lat. vagus, wandering, called also the pneumo-gastric nerve), 

 vane (O. Eng.fane, a weathercock). 



vas'-cu-lar (Lat. vasculum, dim. of vas, a vessel), containing vessels. 

 vein (Lat. vena) : veinule and veinlet are its diminutives, 

 ven'-tral (Lat. venter, the belly). 

 ven'-tri-cle (Lat. ventriculus, dim. of venter). 

 ver'-mi-form (Lat. vermis, a worm, and forma, form), shaped like a 



worm. 



ver'-te-bra, pi. vertebra (Lat. vertere, to turn), 

 ves'-i-cle (Lat. vesicula, dim. of vesica, a bladder), a cyst, 

 ves'-ti-bule (Lat. vestibulum, a place of entrance), 

 vis'-ce-ra (Lat. pi. of viscus), the entrails ; internal organs, 

 vo'-mer (Lat. vomer). 



xiph-i-ster'-num (Gr. xiphos, a sword, and sternum, q.v.). 

 xiph'-oid (Gr. xiphos, a sword, and eidos, form), 

 zyg-a-poph'-y-sis, pi. zygapophyses (Gr. zungon, a yoke, and apophysis, 



process of a bone), one of the articular processes of a vertebra. 



