Template:Hewer1935 table 2: Difference between revisions
From Embryology
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|+ Comparison Human and Chick | |+ '''Comparison Human and Chick Neural Endings''' | ||
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| 26-28 (very rudimentary except tongue) | | 26-28 (very rudimentary except tongue) | ||
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|} | |}<noinclude>[[Category:Template]][[Category:Table]][[Category:Historic Embryology]][[Category:1940's]][[Category:Neural]][[Category:Timeline]]</noinclude> | ||
Revision as of 09:24, 27 June 2018
| Striped muscle and tendon | Sensory nerve endings | Motor nerve endings | Human (approximate age) weeks | Chick (Tello) (approximate age) days | |
|---|---|---|---|---|---|
| Beginning differentiation | — | — | 7 | 5 | |
| Myofibrils appear | Exploratory fibres with bulbous endings penetrate into muscles | 8 | 6 | ||
| Great increase of connective tissue. Vast numbers of nuclei | - | - | - | 6-7 | |
| Isolated “fat” fibres | - | — | 10-12 | 7 | |
| Varicose endings in contact with myotubes | - | 10 | — | ||
| Tendon fibres diflerentiate | — | — | 12 | 10 | |
| Beginning Pacinian bodies | — | 20 | 11 | ||
| Multiplication of myotubes | — | - | 12-22 | 9-13 | |
| Spindles differentiate | - | 20 | 12 | ||
| Dissociation of myotubes from one another. Nuclei become peripheral | Spindles become complex | — | 22-26 | 13 | |
| Pacinian bodies well developed | — | 26-28 | 15 | ||
| Plates begin to differentiate | 26-28 (very rudimentary except tongue) | 18 | |||
