Cunningham's textbook of anatomyW. Wood, 1818 - 1577 pages |
À l'intérieur du livre
Page 35
... tube , which is completed by their fusion , is embedded in the body of the embryo , but , for a time , its dorsal wall is attached to the surface ectoderm by a ridge of cells , formed by the fused lateral margins of the neural plate ...
... tube , which is completed by their fusion , is embedded in the body of the embryo , but , for a time , its dorsal wall is attached to the surface ectoderm by a ridge of cells , formed by the fused lateral margins of the neural plate ...
Page 35
... tube , and form with them a spinal nerve - trunk . The Differentiation of the Neural Tube . - Before the neural groove is con- verted into a closed tube , an expansion of its anterior part indicates the separation of the neural rudiment ...
... tube , and form with them a spinal nerve - trunk . The Differentiation of the Neural Tube . - Before the neural groove is con- verted into a closed tube , an expansion of its anterior part indicates the separation of the neural rudiment ...
Page 35
... Tube.— The spinal portion of the neural tube , during the first three months of intra - uterine life , develops equally in its whole extent , but after that period a longer cephalic or anterior ( superior in the erect posture ) and a ...
... Tube.— The spinal portion of the neural tube , during the first three months of intra - uterine life , develops equally in its whole extent , but after that period a longer cephalic or anterior ( superior in the erect posture ) and a ...
Page 36
... tube and , partly , they are descendants of the germinal cells . As differentiation proceeds three layers and two membranes are gradually defined in the walls of the neural tube : ( 1 ) a central layer of columnar ependyma cells ...
... tube and , partly , they are descendants of the germinal cells . As differentiation proceeds three layers and two membranes are gradually defined in the walls of the neural tube : ( 1 ) a central layer of columnar ependyma cells ...
Page 37
... tube is , for a time , a completely enclosed space . Subsequently the mesoderm , which in the meantime has surrounded the tube , becomes differentiated , in its immediate neighbourhood , into three membranes . The innermost of the three ...
... tube is , for a time , a completely enclosed space . Subsequently the mesoderm , which in the meantime has surrounded the tube , becomes differentiated , in its immediate neighbourhood , into three membranes . The innermost of the three ...
Expressions et termes fréquents
adductor amnion angle arch artery articular surface articulation aspect attached backwards body bone border brain brevis calcaneus canal capsule carpi cartilage caudal cavity cells centre cerebellum cerebral cerebral hemisphere cervical chorion cœlom column condyle connexion corpus corpus callosum crest distal dorsal embryo entodermal ethmoid extensor external facet fascia fasciculus fibres fissure foramen fossa fourth ventricle front frontal funiculus gray matter groove head hemisphere humerus inferior insertion interosseous joint lamina lateral side lateralis layer ligament longus lumbar margin maxilla medial side median plane medulla oblongata membrane mesencephalon mesoderm muscle nasal nerve neural notch nucleus obliquely occipital occipital bone orbital origin passes pelvic plantar pollicis pons portion posterior posteriorly primitive proximal pterygoid radial rectus region separated septum sinus sphenoid spinal medulla spine Sulcus superior suture temporal tendon thalamus thoracic tract transverse processes trigeminal nerve trophoblast tube tubercle upper ventral ventricle vertebral vesicle volar wall whilst zygomatic