Cunningham's textbook of anatomy |
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Page 11
The same organ repeated in two different animals is said to present a case of homology . But the morphological identity between the two organs must be proved beyond dispute before the homology between them can be allowed .
The same organ repeated in two different animals is said to present a case of homology . But the morphological identity between the two organs must be proved beyond dispute before the homology between them can be allowed .
Page 11
In heterotype mitosis , the number of chromosomes is reduced during the cell division , and each daughter cell possesses only half the number of chromosomes that was present in the mother cell .
In heterotype mitosis , the number of chromosomes is reduced during the cell division , and each daughter cell possesses only half the number of chromosomes that was present in the mother cell .
Page 14
It must be formed either by the action of the cells of the stratum granulosum , or by the action of the oocyte , or by Oolemma interaction between the two ; but , up to the Nucleus present , opinions regarding the origin are divided .
It must be formed either by the action of the cells of the stratum granulosum , or by the action of the oocyte , or by Oolemma interaction between the two ; but , up to the Nucleus present , opinions regarding the origin are divided .
Page 16
When that occurs four cells are present within the colemma at the end of the maturation , i.e. the relatively large mature ovum and the three polar bodies ( Fig . 19 ) . The details of the maturation of the human ovum are unknown ...
When that occurs four cells are present within the colemma at the end of the maturation , i.e. the relatively large mature ovum and the three polar bodies ( Fig . 19 ) . The details of the maturation of the human ovum are unknown ...
Page 17
The two divisions differ from the corresponding divisions of the oocytes in three important respects : ( 1 ) centrosomes are present ; ( 2 ) the four grand - daughter cells produced are of equal size and presumably of equal value ...
The two divisions differ from the corresponding divisions of the oocytes in three important respects : ( 1 ) centrosomes are present ; ( 2 ) the four grand - daughter cells produced are of equal size and presumably of equal value ...
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Table des matières
861 | |
867 | |
873 | |
880 | |
887 | |
895 | |
898 | |
909 | |
204 | |
205 | |
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