Cunningham's textbook of anatomy |
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Page 59
The constriction commences when the embryo has attained a length of about 20 mm . , that is about the beginning of the eighth week , and is completed about the end of that week when the embryo is about 25 mm . long .
The constriction commences when the embryo has attained a length of about 20 mm . , that is about the beginning of the eighth week , and is completed about the end of that week when the embryo is about 25 mm . long .
Page 74
By the eighteenth or nineteenth day the area has attained a length of 1:17 mm . and it is · 6 mm . broad . It is pierced , about the centre of its length , by the neurenteric canal ; the primitive streak has appeared on the dorsal ...
By the eighteenth or nineteenth day the area has attained a length of 1:17 mm . and it is · 6 mm . broad . It is pierced , about the centre of its length , by the neurenteric canal ; the primitive streak has appeared on the dorsal ...
Page 75
the length of the embryo is 1.9 mm . , the neural folds are well developed , the neural groove is still completely open , and six pairs of mesodermal somites are visible ( Fig . 97 ) . In the next few days the length increases to 2.5 mm ...
the length of the embryo is 1.9 mm . , the neural folds are well developed , the neural groove is still completely open , and six pairs of mesodermal somites are visible ( Fig . 97 ) . In the next few days the length increases to 2.5 mm ...
Page 76
Length after hardening in alcohol 2.5 mm . The neural groove is closed from the sixth somite to within a short distance of the caudal end , but it is open anteriorly . The hind- , mid- , and forebrain regions and the optic vesicle can ...
Length after hardening in alcohol 2.5 mm . The neural groove is closed from the sixth somite to within a short distance of the caudal end , but it is open anteriorly . The hind- , mid- , and forebrain regions and the optic vesicle can ...
Page 77
8.5 mm . greatest length . ( From Keibel and Elze's Normalta feln . ) The fore - limb is distinctly in advance of the hind - limb . The second branchial arch has begun to overlap the third and fourth and to enclose the precervical sinus ...
8.5 mm . greatest length . ( From Keibel and Elze's Normalta feln . ) The fore - limb is distinctly in advance of the hind - limb . The second branchial arch has begun to overlap the third and fourth and to enclose the precervical sinus ...
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Table des matières
861 | |
867 | |
873 | |
880 | |
887 | |
895 | |
898 | |
909 | |
204 | |
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208 | |
223 | |
243 | |
254 | |
265 | |
299 | |
317 | |
323 | |
329 | |
339 | |
362 | |
365 | |
373 | |
382 | |
391 | |
394 | |
402 | |
411 | |
418 | |
424 | |
439 | |
486 | |
497 | |
503 | |
511 | |
539 | |
628 | |
677 | |
700 | |
785 | |
791 | |
799 | |
806 | |
819 | |
825 | |
911 | |
916 | |
925 | |
936 | |
943 | |
949 | |
958 | |
1025 | |
1031 | |
1048 | |
1061 | |
1067 | |
1103 | |
1110 | |
1124 | |
1150 | |
1225 | |
1248 | |
1257 | |
1271 | |
1284 | |
1295 | |
1333 | |
1339 | |
1361 | |
1395 | |
1407 | |
1427 | |
1434 | |
1444 | |
1455 | |
1481 | |
1507 | |
1520 | |
1536 | |
1583 | |
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