648 



INDEX 



Muscle fibers, change of direction of, 264 



theories concerning internal structure of, 



278 



heart, histogenesis of, 280 

 plates, 132, 263 



tissue, histogenesis of striated volun- 

 tary, 276 



smooth, 280 



Muscles, branchlomeric, 271 

 differentiation of, 274 

 extrinsic, of the upper extremity, 

 anomalies of, 283 

 lattissimus dorsi, 274 

 levator scapulae, 2 74 

 pectoralis, 274 

 serratus, 274 

 trapezius, 274 

 innervation of, 263 

 of the extremities, 272 



derivation of, 272 



derivation from premuscle sheath of 

 muscles of lower extremity, 275 



differentiation from mesenchymal tis- 

 sue, 273 



extrinsic muscles, 274 



migration of, 275 

 of the head, 269 



chondroglossus, 272 



constrictor muscles of the pharynx, 272 



development and innervation of, 271 



digastricus, 271, 272 



epicranius, 272 



glossopalatinus, 272 



laryngeal, 272 



masseter, 271 



mentalis, 272 



muscles of the soft palate, 272 



mylohyoideus, 271 



obliquus inferior, 271 

 superior, 271 



platysma, 272 



quadratus labii superioris, 272 



recti inferior, 271 

 medialis, 271 



recti superior, 271 



rectus lateralis, 271 



pterygoidei, 271 



risorius, 272 



stapedius, 272 



sternomastoideus, 272 



stylohyoideus, 272 



stylo-pharyngeus, 272 



tempo ralis, 271 



Muscles of tensor tympani, 271 



veli palatini, 271 

 trapezius, 272 

 triangularis, 272 

 of the trunk, 264 

 coccygeus, 269 

 geniohyoideus, 268 

 intercostales, 267 

 levator ani, 269 

 longus capitis, 267 

 longus colli, 267 

 olbiqui abdominis, 267 

 omohyoideus, 268 

 perineal, 269 

 psoas, 267 

 pyramidalis, 268 

 quadratus lumborum, 267 

 rectus abdominis, 268 

 capitis anterior, 267 

 sacrospinal, 269 

 scaleni, 267 



sphincter ani externus, 269 

 sternohyoideus, 268 

 sternothyreoideus, 268 

 transversus abdominis, 267 



thoracis, 267 



Muscular system, the, 262 

 anomalies of, 282 

 skeletal musculature, 262 

 visceral musculature, 262, 280 

 Musculature, hyoid, 271 

 skeletal, 262 



diaphragm, the, 269 

 early character of, 261 

 loss of segmental character, 263, 264 

 muscles of the extremities, 272 

 of the head, 269 

 of the trunk, 264 

 myotomic origin, 262, 269, 272 

 visceral, 280 



mesodermic origin of, 280 

 Myelencephalon (after-brain), 425, 482 

 Myelin sheath, 448, 464 

 Myeloblasts, 145, 241 

 Myelocystocele, 614 

 Myelocytes, 145, 241 



Myelogenetic fields (areas) of Flechsig, 528 

 Myelomeningocele, 614 

 Myeloplaxes, 145, 241 

 Myelospongium, 449, 453 

 Myoblasts, 272, 276 

 Myocardium, 197, 280 

 Myoccel (ccelom), 46, 80, 340 



