Cunningham's textbook of anatomyW. Wood, 1818 - 1577 pages |
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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 converted 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 converted 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 ...
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Expressions et termes fréquents
angle anterior appears arch arises artery articular articulation aspect attached backwards base becomes body bone border brain branch called canal capsule cartilage cavity cells centre cerebral cervical close column consists continuous corpus corresponding covered crest curved deep directed distal dorsal edge embryo enter extends extensor external extremity facet fascia fasciculus fibres flexor floor foramen forwards fossa fourth front frontal gray matter greater groove head inferior insertion internal joint lamina lateral layer length lies ligament limb longus lower margin medial membrane mesoderm middle movements muscle nasal nerve neural neural tube notch nucleus obliquely occipital opening orbital origin passes placed plane plate portion position posterior present primitive proximal region root seen segments separated side sphenoid spinal medulla superior surface temporal tendon termed thin third tract transverse tube tubercle upper upwards usually ventral ventricle vertebral wall whilst