LABORATORY MANUAL FOR VERTEBRATE ANATOMY 



column 68-69. See further under 

 Necturus 



Urogenital canal or sinus 279, 295: 

 elasmobranch 283; mammal 290, 

 291-92 



Urogenital system 273-95: develop- 

 ment of 273-79; elasmobranch 

 280-83; mammal 288-92; Nec- 

 turus 283-84; parts of 273-79; 

 pigeon 286-87; summary 294-95; 

 turtle 284-86 



Uropygial gland 27 



Uropygium 25 



Urostyle: fish 68; frog 69; man 76 



Uterine tube 278, 279, 295: mammal 

 289 



Uterus 278-79, 295: dogfish 281; 

 ligaments of 289; mammal 289; 

 skate 281-82 



Utriculus: elasmobranch 306; mam- 

 mal 352; Necturus 319; pigeon 

 330 



Vagina 279, 289 



Vagus nerve 360-61: elasmobranch 

 314-15; mammal 334, 337,. 338, 

 342-43, 355; Necturus 321; pigeon 

 332; turtle 326, 327 



Valla te papilla 185 



Vas deferens 276, 295: mammal 288, 

 290-92; pigeon 287; turtle 286 



Vasa efferentia 276: elasmobranch 

 283; mammal 292; Necturus 284; 

 turtle 286 



Vein, definition of 200 



Velum transversum 318 



Venous system 203-7, 270-72: elas- 

 mobranch 207-14; mammal 249-57, 

 264-65, a68-6g; Necturus 322-26, 



229-30; pigeon 24*-44, 247-4*1 

 turtle 230-35, 237, 240-41 



Ventral aorta 202, 270, 272: dogfish 

 215; Necturus 226-27; skate 215 



Ventral column, spinal cord 297 



Ventral ramus, spinal nerve 299 



Ventricle, of brain 297, 360: elasmo- 

 branch 308, 317-18; mammal 356- 

 57; Necturus 320; pigeon 333; 

 turtle 327 



Ventricle, of heart 271, 272: elas- 

 mobranch 207, 221; mammal 248, 

 266; Necturus 222, 229; pigeon 

 241, 246-47; turtle 230, 238-39 



Vermiform appendix 193 



Vertebra 58-62, 76-77: definition of 

 58; development of 58-61; parts 

 of 61-62. See further under Verte- 

 bral column 



Vertebral artery: cat 259; Necturus 

 227; pigeon 244; rabbit 258; 

 skate 218; turtle 236 



Vertebral column 57-77: alligator 

 70-72; Amphibia 68-69; bird 72- 

 73; bowfin 64; development of 

 58-61; dogfish 64-66; mammal 73- 

 76; reptiles 70-72; Stegocephala 

 64; sturgeon 63-64; summary 75- 

 77; teleosts 67-68; turtle 72 



Vertebral vein: cat 254; pigeon 243' 

 rabbit 251; turtle 232, 234 



Vertebraterial canal 71 



Vertebrate: characters of 5; classifica- 

 tion of 6-7 



Vestibule, mouth 184 



Visceral arch 161, 162, 168: elasmo- 

 branch 1 68; Necturus 171 



Visceral branch of vagus nerve 314-15 



Visceral cleft 161. See Gill slits 



Visceral furrow 161 



Visceral motor column 309 



Visceral peritoneum 158, 166, 107 



Visceral pouch 161, 162: elasmo- 

 branch 1 68; glands from 162; 

 Necturus 171 



Visceral ramus of spinal nerve 299 



Visceral sensory column 309 



Visceral skeleton 99-100, 105, 107: 

 elasmobranch 99-100; Necturus 

 IH-I2. See further under Gill 

 arches and Hyoid apparatus 



Vitelline veins 202, 204, 205, 206, 270, 

 271 



Vitreous body. See Vitreous humor 



Vitreous humor 305, 349 



Vocal cords 187 



Vulva 29 



White matter 296, 297, 342 



Windpipe. See Trachea 



Wings: external anatomy 26; skele 



ton of 92 

 Wishbone 91 



Wolffian body. See Mesonephros 

 Wolffian duct. See Mesonephric duct 



and Vas deferens 

 Womb. See Uterus 



Yolk 31, 32: effect on cleavage 31-35; 



on form of embryo 40 

 Yolk plug 34-35 

 Yolk sac 40, 161, 163, 292-94: blood 



vessels of 202-3 

 Yolk stalk 40 



Zygapophyses, definition of 68. 

 under Vertebral column 



Zygoma tic arch 117, 118 



Set. 



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