INDEX 



163 



Dio-telencephalic boundary, f. 42, 115 



Discoidal cleavage (see cleavage). 



Dorsad, usage of term, 5 



Dorsal aorta (see aorta). 



Dorsal flexure, in 



Dorsal mesentery, f. 54, f. 55, 152 



Dorsal mesocardium, f. 26, 69, 71, 140, 



152 



Dorsal nerve roots, f. 44, 119 

 Dorsal pancreatic bud, 127 

 Dorsal root ganglia, f. 44, 119 

 Dorsal, usage of term, 5 

 Duct of Cuvier (= common cardinal 



vein, q. v.). 

 Ductus arteriosus (part of aortic arch 



VI). 



Ductus choledochus, f. 46 E., 127 

 Ductus endo-lymphaticus, f. 40, 122 

 Ductus venosus (= fused portion of 



omphalomesenteric vein, q. 



v.). 



Ear, 122 



Ectoderm, derivatives of, 3 1 



establishment of, 23 

 Egg, membranes, f. 3, 10 



ovarian, f. i, 7 



shell, 10, 12 



structure of at laying, f. 3, u 

 Embryo, external form of, 93, 109 



separation of from blastoderm, 



f. 30, f. 32, 80 

 Embryonal area, 42 

 Embryonic circulation (see circula- 

 tion). 



Endocardia! cushion tissue, f. 46 D, 144 

 Endocardial primordia, f. 26, f. 27, 69 

 Endocardium, 143 

 Endolymphatic duct, f. 40, 122 

 Entoderm, derivatives of, 32 



establishment of, 20, 23 

 Endothelium, origin of vascular, f. 25, 



66 



Epicardium, 69, 143 

 Epichordal portion of brain, 55 

 Epimyocardium, fate of, 140, 144 



formation of, f. 26, f. 27, 69 

 Epiphysis, f. 35, f. 42, 95, "6 

 Eustachian tube, 103, 123 

 Extra-embryonic coelom (see coelom). 

 Extra-embryonic membranes, f. 30, 

 f. 32, Chap. XI 



Extra-embryonic vascular plexus (see 

 vitelline circulation and 

 blood-vessels, origin of) . 



Eye, 120 



Facial region, f. 41. in 



Facial nerve (= cranial nerve VII), 



118 



Falciform ligament, 153 

 Fertilization, 9 

 Flexion, 75, no 

 Floor plate of spinal cord, 119 

 Foramen of Monro, f. 42, 114 

 Follicle, ovarian, f. i, 7 

 Fore-brain (see prosencephalon). 

 Fore-gut (see gut). 

 Fovea cardiaca (= anterior intestinal 



portal q. v.). 

 Frontal process, f. 41 



Gallbladder, 126 



Gametes, 7 



Ganglia, cranial, f. 42, 118 



dorsal root (see spinal). 



spinal, f. 44, 119 



sympathetic, f. 44, 120 

 Ganglion jugulare (= ganglion of 



cranial nerve X.) f. 42, 118 

 Gasserian ganglion (= ganglion of 

 cranial nerve V) f. 40, 118 

 Gastroccele, f. 6, f. 7, 22, 26 

 Gastro-hepatic omentum, 153 

 Gastrulation, Chap. IV 



effect of yolk on, f. 6, 21 



in Amphioxus, 22 



in Amphibia, 23 



in birds, f. 7, 24 



Geniculate ganglion (= ganglion of 

 cranial nerve VII); f.42, 118 

 Germ cells (see gametes). 

 Germ layers (see ectoderm, entoderm 



and mesoderm). 

 Germinal disc (see blastodisc). 

 Germinal epithelium of ovary, f. i 

 Germinal vesicle ( = nucleus of ovum, 



q.v.). 



Germ wall, 24 



Gill arches (see visceral arches). 

 Glomerulus, f. 52, f. 53, 148 

 Glomus, f. 52 



Glossopharyngeal nerve (= cranial 

 nerve IX), f. 42, 118 



