Difference between revisions of "Template:Hewer1935 table 2"

From Embryology
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|  —  
 
|  —  
 
| —
 
| —
| 7  
+
| [[Week 7|7]]
 
| 5
 
| 5
 
|-bgcolor="F5FAFF"
 
|-bgcolor="F5FAFF"
 
| Myofibrils appear  
 
| Myofibrils appear  
 
| Colspan=2| Exploratory fibres with bulbous endings penetrate into muscles
 
| Colspan=2| Exploratory fibres with bulbous endings penetrate into muscles
| 8  
+
| [[Week 8|8]]
 
| 6
 
| 6
 
|-  
 
|-  
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| -
 
| -
 
| —  
 
| —  
| 10-12  
+
| [[Week 10|10]]-[[Week 12|12]]
 
| 7  
 
| 7  
 
|-
 
|-
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| Varicose endings in contact with myotubes
 
| Varicose endings in contact with myotubes
 
| -
 
| -
| 10  
+
| [[Week 10|10]]
 
| —   
 
| —   
 
|-bgcolor="F5FAFF"
 
|-bgcolor="F5FAFF"
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| —  
 
| —  
 
| —  
 
| —  
| 12  
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| [[Week 12|12]]
 
| 10  
 
| 10  
 
|-
 
|-
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| Beginning Pacinian bodies  
 
| Beginning Pacinian bodies  
 
| —  
 
| —  
| 20  
+
| [[Week 20|20]]
 
| 11  
 
| 11  
 
|-bgcolor="F5FAFF"
 
|-bgcolor="F5FAFF"
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| —  
 
| —  
 
| -  
 
| -  
| 12-22  
+
| [[Week 12|12]]-[[Week 22|22]]
 
| 9-13  
 
| 9-13  
 
|-
 
|-
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| Spindles differentiate
 
| Spindles differentiate
 
| -
 
| -
| 20  
+
| [[Week 20|20]]
 
| 12  
 
| 12  
 
|-bgcolor="F5FAFF"
 
|-bgcolor="F5FAFF"
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| Spindles become complex
 
| Spindles become complex
 
| —  
 
| —  
| 22-26  
+
| [[Week 22|22]]-[[Week 26|26]]
 
| 13
 
| 13
 
|-
 
|-
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| Pacinian bodies well developed
 
| Pacinian bodies well developed
 
| —  
 
| —  
| 26-28  
+
| [[Week 26|26]]-[[Week 28|28]]
 
| 15   
 
| 15   
 
|-bgcolor="F5FAFF"
 
|-bgcolor="F5FAFF"
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|
 
|
 
| Plates begin to differentiate
 
| Plates begin to differentiate
| 26-28 (very rudimentary except tongue)
+
| [[Week 26|26]]-[[Week 28|28]]  (very rudimentary except tongue)
 
| 18
 
| 18
 
|-
 
|-
 
| Data: Hewer (1935)<ref name=Hewer1935>{{Ref-Hewer1935}}</ref>
 
| Data: Hewer (1935)<ref name=Hewer1935>{{Ref-Hewer1935}}</ref>
 
|}<noinclude>[[Category:Template]][[Category:Table]][[Category:Historic Embryology]][[Category:1930's]][[Category:Neural]][[Category:Timeline]]</noinclude>
 
|}<noinclude>[[Category:Template]][[Category:Table]][[Category:Historic Embryology]][[Category:1930's]][[Category:Neural]][[Category:Timeline]]</noinclude>

Revision as of 10:36, 27 June 2018

Comparison Human and Chick Neural Endings Timeline
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
Data: Hewer (1935)[1]