INDEX 



637 



Embryo, age of, 1 23 



length of, 1 23 



weight of, 124 

 Embryonic ccelom, 340 



connective tissue, 135 



disk (see also Germ disk), 89, 93, 94, 95, 96, 



97, 1 08 

 Enamel organ, 292 



prisms, 293 



pulp, 293 



Encephalocele, 613 

 Encranius, 608 



End-brain (telencephalon) , 425, 437, 508, 531 

 Endocardium, origin of, 196 

 Endolymphatic duct, 553 



sac, 553 



Endomysium, 280 

 Endothelium, 186, 237 

 Engastric (intraabdominal) parasites, 609 

 Enteroccel, 43 

 Entoderm, 



of Amphioxus, 38, 40, 46 



of the chick, 70, 71, 72, 74, 75, 76 



of the frog, 57, 78, 60, 61 



of Mammals, 88, 89, 90, 91, 92, 95, 96, 

 97, 108 



of man, 101, 102, 103, 104, 105 

 Entodermal tube, 285 

 Entrance plug, 584 

 Entypy of germ layers, 89, 90 

 Enveloping layer, see Covering layer (tropho- 



derm), 85, 103, 107 

 Eparterial bronchial ramus, 335, 338 

 Ependyma cells, 451 

 Epiboly, 39, 57, 58, 73, 89 

 Epicanthus, 616 

 Epichordal brain, lateral series of nuclei of, 



457, 458 



medial series of nuclei of, 457, 458 

 Epichordal segmental brain and nerves, 427, 



429 



Epicondyles, 168 

 Epidermis, the, 407 



epitrichium of, 407 

 periderm of, 407 

 stratum corneum, 408 



germinativum of, 407 

 granulosum, 407 

 lucidum, 408 



Epididymis, anomalies of, 402 

 appendage of the, 386 

 duct of, 386 

 Epigamous determination of sex, 382 



Epigenesis, doctrine of, XIII 

 Epiglottis, 331 

 Epignathus, 608, 610 

 Epimysium, 280 

 Epiphyses of vertebrae, 151 

 Epiphysis of bone, 144 



(pineal body), 424, 437, 503 

 Epiploic foramen, 348 

 Epispadias, 402 

 Episternal cartilages, 153 

 Epistropheus, (the axis), 152 

 Epithalamic region, see Epithalamus 

 Epithalamus, 437, 438, 475, 506 

 Epitrichium, 407 

 Eponychium, the, 410 

 Epoophoron, the, 385 

 Erythroblasts, 239 

 Erythrocytes, 239 

 Eternod's embryo, 109, no, 443 

 Ethmoidal labyrinth, 160 

 Eustachian tube, 560 

 Exencephaly, 613 

 Exoccipital bone, 158 

 Exocoelom, 101, 104, 105, 108 

 External auditory meatus, origin of, 114, 560 



ear, first appearance of, 114 



form of the body, age and length of 



embryos, 107, 123 

 development of, 107 

 extremities, 121 

 branchial arches, face, neck, 112, 118 



geniculate bodies, see Geniculate bodies 



genital organs (see also Genital organs, 

 external), 393 



genitalia, first appearance of, 117, 393 



influences as affecting monsters, 620, 621 

 Extraembryonic body cavity (see exocoelom) 

 Extra ventricular cell-divisions, 455 

 Extrauterine gestation, 583 

 Extremities, development of, 121 



lower, fused, 619 



malformations of, 6 18, 619 



muscles of the, 272 



nerve supply of, 273 



one or more abnormally small but well 

 formed, 619 



one or more defective, 619 



one or more wanting, 619 



rotation of, 122 

 Eye, 113, 420, 427, 429> 43, 437. 476, 533 



anomalies of, 561, 616 



anterior chamber, 548 



ciliary body, 547 



