INDEX OF PART I. 



Sympathetic ganglia, 81 



connection of, with supra-renal capsules, 



122 



TEETH, 109 



Tegmentum (a cover), 67 



Teleosteans (reAeos, complete, o<rrov. bone), 



Wolman duct in, 118 



Telolecithal ova (re'Aos, end, and \-fjKv6os, oil- 

 bottle), 8, 27, 30 

 Terminal sinus, 40 

 Testicle, 117, 125 



descent of, 126, 127 

 Testis. See TESTICLE. 

 Textures, general, i 

 Thalamencephalon (edtipos, chamber, tycc^foos, 



brain), 61, 67 



connection with optic stalks, 85 

 Thebesian valve, 141 



Thomsen on ganglionic traces in third nerve, 77 

 Thomson, Allen, on primitive aortse, 146 

 Thymus (6vw, to offer as a sacrifice), 1 1 1 

 Thyroid (8vp*6s, a shield), 102 

 formation of, no 

 pyramid of, 1 10 



Tiedeinann on rhomboidal sinus, 60 

 Tissues, general, i 

 Toldt on mesentery of pancreas, 113 

 Tongue, 100 



formation of, 102 

 foramen csecurn of, 102 

 papillae of, 102 

 sulcus terminalis of, 102 

 Trabeculse cranii (trabs, a beam, diminutive of), 



1 66 



Trachea (rpaxvs, rough), no 

 Trigonum olfactoriuin (rpiyuvos, triangular), 79 

 Trophoblast (rpoQ-fi, nourishment, j8Acto"r<fc, 



germ), of Hubrecht, 53 

 Truncus arteriosus, 151 

 Tuberculum impar (unpaired tubercle), 102 

 Turner on placenta, 48, n. 



subchorionic membrane of, 51 

 Type, vertebrate, main features of, 2 



UMBILICAL cord, 36, 43, 104, 122, 151 



Umbilical duct, 36 



Umbilical vesicle, 36 



Umbilicus (the navel), 43 



Urachus (ofyov, urine ; f X ", to hold), 122 



Ureter (ovpew, to make water), 122 



Urethra, 122, 128 



Uriniferous tubules, 119 



Uterus, mode of attachment of ovum to, 46 



changes in pregnancy, 48 55 



regeneration of after parturition, 55 



formation of, 124 



bifid stage of, 124 



os and cervix of, 124 

 Uterus masculinus, 124 

 Utricle (utriculus, a little womb), 91 

 Uvea (uva, a cluster of grapes), 84, 85, 86, J 



VAGINA (a sheath), 124 

 Valve of Vieussens, 66 

 Vasa aberrantia of Haller, 120 

 Vascular area, 39, 151 

 lamina, 151 



Veins, azygos, 153 



cardinal, 151, 152, 153 

 connection of, with heart, 138, 139 

 iliac, 153 



inferior cava, 152, 153 

 innominate, 153 

 intercostal, superior, 153 

 jugular, 153 



jugular, primitive, 151, 152, 153 

 primitive, formation of, 39 

 portal and hepatic, 151, 152 

 posterior vertebral, 153 

 pulmonary, 144 

 subclavian, 153 

 superior cava, 151, 153 

 umbilical, 138, 151, 152, 156 

 vitelline, 39, 40, 112, 138, 151, 152 

 Velum palati (curtain of the palate), 100 

 Vena ascendens, 152 



Venae, advehentes and revehentes, 112, 151, 152 

 Venous annnlus of duodenum, 151, 152 

 Ventricles, lateral, 62 

 third, 62, 67 

 fourth, 62, 66 

 fifth, 70 



Vererbungsthcorie of Weismann, 14 

 Vermiform appendix, 107 

 Vertebra (verto, I turn), 2 



permanent, 162 



Vertebral column, development, 2, 162 

 bodies, 2 

 segments, 4 

 Vertebrate type, 2 



Vesicles of the cerebral heinispheres 61 

 Vestibule, 78 



Villi (villas, shaggy hair) of chorion, 43 

 vascularisation of, 44, 52 

 connection with glands of decidua, 47 

 zone of, 55 

 Visceral arches, formation of ossicles of ear from 



93 



first, or mandibular, 101, 102 

 cephalic, 102 

 second or hyoid, 102 

 third or thyro-hyoid, 103 

 palato-pharyngeal, 103 

 post- and prae-buccal, 103 

 blood supply of, 103 

 cartilaginous bars of, 103, 166 

 Visceral clefts, 103 



first formation of middle ear from, 93 

 cephalic, 101 

 hyomandibular, 103 



fourth, formation of thyroid from, no, in 

 Vitelline arteries, 40 

 circulation, 40 

 duct. 46, 104, 151 

 membrane, 8 



veins, 39, 40, 112, 138, 151, 152 

 Vitellus, structure of, 7. See YOLK. 

 Vitreous humour (vitrum, glass), 83, 85, 87 



WAGNER, macula germinativa of, 8 

 Waldeyer on His' parablastic theory, 26 



placental sinuses, 52 



epoophoron of, 120 



germinal epithelium of, 124 

 Weismann, theory of, 14 

 Weldon on supra-renal capsules, 120 

 Wijhe, v., on Wolffian vesicles, 118, n. 



head cavities, 161 



typical somite cavity, 161, n. 



