INDEX 



269 



Mesoduodenum, disappearance of, 246 



Mesogaster, 246 



Mesolateral fold of Brachet, 242 



Mesonephros, 177, 178 



Mesorchium, 189, 199 



Mesovarium, 189, 197 



Mesothelium, or endothelium of body- cavity, 



57 



Mesosalpinx, 192, 197 

 Metanephros, 177, 182 

 Mid-brain, 106, 110 

 Milhalkovics on olfactory nerves, 156 

 Minot, sex theory of, 20 



concrescence theory of, 47 



on placenta, 74 



on trophoderm, 74 



sinusoids of, 174, 224 

 Mitochondria, 2 

 Mitosis in somatic cells, 4 



in sexual cells, 17 

 Modiolus, 148 

 Mole, inversion of germinal area in, 31 



blastoporic aperture in, 43 

 Monotremes, ovum of, 27 

 Monro, sulcus of, 113 



foramen of, 113, 116 

 Montgomery on synapsis, 22 

 Moore, synapsis of, 19, 22 

 Morbus cceruleus, 235 

 Morgan and Wilson on artificial production of 



centrosomes, 2 

 Morula or mulberry mass, 25 

 Mouse, entypy of germinal area in, 31 



phagocytic action of decidual cells in, 67 

 Mouth, 156, 158 



non- correspondence of primitive with 



permanent, 158 



Muller, Eric, on arteries of upper limbs, 224 

 Miiller, Johannes, fibres of, 140 

 MiiUerian duct, 193 



eminence, 194 



Muridse, imbedding of ovum in decidua in, 67 

 Muscle-plate, 56, 246 



Muscles, voluntary, from paraxial mesoderm, 

 49 



early stages in development of, 56 



of head, 248 



of limbs, 247, 248 



of eye, 248 



of tongue, 248 



of mastication, 248 



branchial group, 248 



of hyoid arch, 248 



platysma, 248 



sterno-mastoid, 130, 249 



trapezius, 249 



cremaster, 199 



longissimus dorsi, 246 



ilio-costalis, 246 



spinalis dorsi, 246 



obliquus externus, 246 



obliquus internus, 246 



transversalis, 246 



rectus abdominis, 246 

 Muscular wall of uterus, 196 

 Musculature, visceral, cerebral nerve supply 



of, 128 



Musculi papillares, 215 

 Myelospongium, 96 

 Myoccel, 246 



Myosepta, 2r>u 



Myotomes, differentiation of, from primitive 



segments, 56 

 extension of, into somatopleure, 246 



NAGEL, on vagina, development of, 195 



Nares, posterior, or choanae, 153 



Nasal processes, lateral and mesial, 87, 151, 153 



capsule, 154, 257 



fossa, development of ciliated epithelium 

 in, 156 



septum, 256 

 Neocranium, 249 

 Neopallium, Elliot-Smith, 122 

 Nephridia, 178 



Nephro-genetic blastema, development of 

 tubules in, 177 



cord, 178, 182 



Nephrotomes, differentiation of, from primi- 

 tive segment, 57 



in Anamnia, tissue corresponding to, 51 

 Nephrostome, 177 

 Nerves, peripheral, histogenesis of, 94 



development of, 125 



segmental, dorsal and ventral branches of, 

 126 



occipito-spinal, Furbringer, 127 



cerebral, development of, 127, 130 seq. 



olfactory, 155 



great superficial petrosal, 132 



chorda tympani, 132 



oculo-motorius and trochlearis, 127, 133 



trigeminal, 128, 132, 133 



abducens, 127, 132 



facialis, 128, 132 



acousticus, 132 



vagus, 128, 130 



glosso-pharyngeal, development of, 128, 

 132 



spinal accessory, 128, 130 



hypoglossal, 127, 130 

 Nerve ganglia from neural crest, 48 



roots, origin of, 98 



fibres, theories of formation of, 99 



plexuses for limbs, rudiments, 126 

 Nervous system, central, origin of, 48 



central, development of, 94 et seq. 



peripheral, development of, 125 

 Neural canal, formation of, 48 



relation of, to neurenteric canal, 48 



crest, formation of, 48, 98 



groove, formation of, 48 



plate, origin of, 48 



folds, 48 



arch, development of, 250 

 Neurenteric canal, 39 

 Neuroblasts, origin of, 96 

 Neurocranium, 256 

 Neuroglia, origin of, 96 

 Neuromeres, 107, 129 

 Neurone theory, basis of, 100 

 Neuropore, anterior, 48 

 Nicolas, on development of thyroid cartilage, 



167 



Nose, formation of, 151 

 Notogenesis, stage of gastrulation, Hubrecht, 



47 

 Notochord, earliest appearance of rudiment of, 



32 

 formation of, 49 



