INDEX 



46^ 



Meatus, 419 



Media, 285 



Mediastinum, 253 



Medulla, 304 



Medullary sheath, 98, 342, 370 



Meibomian glands, 126 



Meissner's corpuscles, 396 



Melanophores, loi 



Membrane bones, 161, 170 



cloacal, 235 

 Meninges, 391 

 Mentum, 173 



Mesencephalon, 350, 351, 385 

 Mesenchyme, 74, 100, 151, 413, 414 

 Mesenteries, 236, 238 

 Mesoderm, 49, 54, 59, 66 

 Mesonephros, 294, 315, 317, 318 

 Mesosternum, 153 

 Mesothelium, 87 

 Mesovarium, 308 

 Mesozoic, 25 

 Metabolism, 38, 290 

 Metacone, 133 

 Metaconid, 133 

 Metamorphosis, 32 

 Metanephridia, 291, 292 

 Metanephros, 296, 315, 318 

 Metasternum, 154 

 Metazoa, 3, 45, 264, 291 

 Metencephalon, 350, 351, 385 

 Mid-brain, 385 

 Middle ear, 419, 425 

 Midget, 334 

 Minor senses, 393 

 Moles, 123 

 Mollusca, 22 

 Molluscoida, 22 

 Monodelphians, ig 

 Monoecious, 26 

 Monotremes, 18, 23 

 Mons pubis, 311 

 Motor nerves, 352, 388 



plates, 93, 94 

 Mouth, 226 



cavity proper, 2 1 7 

 Muscles, 50, 93, 191-214 



alimentary canal, 213 



appendicular, 212 



architecture, 192 



arm, 212 



belly, 191 



cardiac, 96 



Muscles, extrinsic, 201 



eye, 196, 197, 414 



heart, 193 



hypobranchial, 196 



integumental, 204 



intrinsic, 201 



laryngeal, 214 



lateral trunk, 210 



leg, 212 



origin, 193 



paired, 204 



smooth, 93, 95, 193, 227, 228 



somatic, 205 



spindles, 426 



striated, 94, 193, 224, 228 



striped, 94, 193, 227 



superficial in man, 206, 207 



tendon, 191 



tongue, 212 



unstriated, 93, 95, 193 



visceral, 195, 205, 212 

 Muscular digestive tube, 216 



system, 191-214 

 Myelencephalon, 350, 351, 385 

 Myocardium, 284 

 Myocommata, 194 

 Myotome, 194 



N 



Nails, 118 

 Nasal cavity, 226 



passages, 226, 253, 257, 258 

 Nemathelminthes, 22 

 Neocortex, 364 

 Neostoma, 218 

 Nephrostome, 292 

 Nerves, 99, 288 



cells, 98, 99, 343 

 types of, 97 



cranial, 352, 357, 374, 376 



spinal, 212 



terminals, 91 

 Nervous system, 50, 96, 338-392 

 Neural arch, 149 



crest, 390 



groove, 383 



plate, 383 



tube, 62 

 Neuraxon, 98 

 Neurilemma, 98 

 Neurite, 340 



