INDEX. 



657 



Mesonephric duct, 389 



mesentery, 422 

 Mesonephroi, atrophy of, in the female, "4 1 9 



in the male, 420 

 Mesonephros, 389 



Bowman's capsule, 390 



degeneration of, 393 



diaphragmatic ligament of, 392, 422 



disappearance of, 393 



function of, 392 



glomerulus of, 390 



Malpighian corpuscle of, 390 



practical suggestions for study of, 439 



renal portal system of, 393 



significance of, 393 



tubules of, 389 

 Mesorchium, 409, 423 

 Mesonephric ridge, 388, 391 

 Mesorectum, 383 

 Mesothelium, 372, 427 

 Mesosalpinx, 420, 426 

 Mesovarium, 409, 423, 426 

 Metacarpals, 205 

 Metanephric blastema, 395 

 Metanephros, see Kidney 

 Metaphase, 6 

 Metaplasm, i 

 Metaplexus, 520 

 Metapore, 520 

 Metatarsals, 209 

 Metathalamic portion of thalamus, 543, 



Metathalamus, see Metathalamic portion 



of thalamus 



Metencephalon (hind-brain), 88, 462 

 Method of measuring embryos, American, 



J 57 



German, 156 

 Metopic suture, 198, 216 

 Metopism, 216 

 Meyer, concerning mesencephalic root 



of V, 530 

 Meyer, Adolf, concerning segments of seg- 



mental brain and cord, 512, 513 

 concerning suprasegmental and seg- 



mental structures, 457, 464 

 Meynert, solitary cells of, 565 

 Meynert's decussation, 537 

 Micrencephaly, 617 

 Microbrachius, 623 

 Microcephaly, 617 

 Micrognathus, 357, 621 

 Micrognathy, 357, 621 

 Micromelus, 623 

 Micromeres, 50 

 Microphthalmia, 60 1, 620 

 Micropus, 623 

 Micropyle, 38 

 Microstomus, 621 

 Mid-body, 8 



Mid-brain (mesencephalon), 461, 482 

 optic lobes, 462 

 roof, 464, 474 



descending tracts to after brain and 



cord segments, 474 

 Middle peduncle of cerebellum, 473, 478, 



480, 530, 537 



Milk ridge, the, 449 



method of studying, 453 

 teeth, 324, 327 

 Mimetic musculature and its innervation, 



47i 



Minot, concerning circulation of blood, 2 59 

 concerning fcetal membranes of um- 

 bilical cord, 133 



Mitoses, see also Cell proliferation and 

 Geminal cells, 486, 521, 526, 543 

 extra ventricular, 492 

 of neural tube cells, 486, 537 

 Mitosis, 4 



diagrams of successive stages of, 5, 7 

 of mucous cells of stomach, 345 

 phases of, 4 



practical suggestions for study of, 9 

 multipolar, 9 

 pluripolar, 9 

 Mitotic division of sex cells, 407 



figure, 6 

 Mitral cells, 512 

 Monaster, 6 

 Monobrachius, 623 

 Monochorionic quadruplets, 611 

 triplets, 6 1 1 

 twins (equal), 606, 607 



(unequal), 607 



Mononuclear leucocytes, 274 

 Monopolar cells, 492 

 Monopus, 623 

 Monotremes, early nutritional conditions 



in, 112 



Monro, foramen of, 538, 546, 549, 553 

 Monsters, amniotic adhesions, 623 

 causes underlying origin of, 624 

 defects in region of face and neck, 



and their origin, 621 

 defects in region of neural tube, 616 



origin of, 619 

 defects in the thoracic and abdominal 



regions, and their origin, 622 

 in single embryos, 626 

 malformations of extremities, 622 



polysomatous, 625 

 production of duplicate, 625 

 Montgomery, concerning areolar glands, 



45 



Morgagni, hydatid of, 421 

 liquor, 577 



non-stalked hydatid of, 418 

 Morgan, concerning determination of sex, 



416, 439 

 concerning development of blasto- 



meres, 612 

 concerning production of spina bifida, 



626 



Morula, 4-V, 49, 51, 137 

 Mossy fibers, 537 

 Motor cortex (see also Pallium, precentral 



area of), 565 

 Mouse, cleavage in, 51 

 Mouth, the, 318 



angle of the, 145, 152, 319 

 anomalies of, 357 

 development of, 320 

 influence on nervous system, 466 



