Difference between revisions of "File:Fetal head section 01.jpg"

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==Human Fetal Head Week 12==
 
==Human Fetal Head Week 12==
  
Selected medial head (12 weeks) view showing key features of head musculoskeletal and neurological development.  
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This mid-line section through the early fetal head (12 weeks) shows features of the developing {{skull}}, {{neural}} (brain), face, mouth, pharynx and neck.
  
Note extensive nasal cartilage, nasal conchae, pituitary, secondary palate, oral cavity, tongue, mandible, hyoid, choana, oropharynx. Also note the developing tongue musculature and its mandibular attachment site.
 
 
 
{{Fetal head 12 week}}
 
 
 
This mid-line section through the fetal head shows features of the developing skull and the brain, face and mouth.
 
  
 
{|
 
{|
| valign=top|
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|-bgcolor="CEDFF2"
===Neural System===
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! Neural System
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! Endocrine
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! Skeletal System
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! Muscle
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|-
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| valign=top width=200px|
 
* [[Neural_System_Development|central nervous system]].
 
* [[Neural_System_Development|central nervous system]].
* [[Endocrine_-_Hypothalamus_Development|hypothalamus]]
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* {{hypothalamus}}
* [[Neural_System_Development#Human_Early_Neural_Development|lamina terminalis]] (site of anterior neuropore closure).
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* {{lamina terminalis}} (site of anterior neuropore closure).
 
* [[Neural_-_Ventricular_System_Development|fourth ventricle]], ventricular space behind the pons and medulla.
 
* [[Neural_-_Ventricular_System_Development|fourth ventricle]], ventricular space behind the pons and medulla.
* brainstem - [[Neural_-_Pons_Development|pons]] and [[Neural_-_Medulla_Oblongata_Development|medulla]]
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* brainstem - {{pons}} and {{medulla oblongata}}
 
* basilar artery - lying ventral to the pons
 
* basilar artery - lying ventral to the pons
| valign=top|
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| valign=top width=200px|
===Endocrine===
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* {{hypothalamus}}
* [[Endocrine_-_Hypothalamus_Development|hypothalamus]]
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* {{pituitary}} sitting in the sella turcica.
* [[Endocrine_-_Pituitary_Development|pituitary]] sitting in the sella turcica.
 
 
** note remnant of Rathke's pouch still visible on floor of developing sella turcica (cartilage)
 
** note remnant of Rathke's pouch still visible on floor of developing sella turcica (cartilage)
| valign=top|
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| valign=top width=200px|
===Skeletal System===
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* {{cartilage}} - {{skull}} septum of the nose.
* [[Musculoskeletal_System_-_Cartilage_Development|cartilage]] - [[Musculoskeletal_System_-_Skull_Development|skull]] septum of the nose.
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* {{bone}} - [[Respiratory_System_-_Upper_Respiratory_Tract|upper respiratory]] ossifying nasal concha.
* [[Musculoskeletal_System_-_Bone_Development|bone]] - [[Respiratory_System_-_Upper_Respiratory_Tract|upper respiratory]] ossifying nasal concha.
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* {{bone}} - [[Palate_Development|hard palate]] roof of mouth.
* [[Musculoskeletal_System_-_Bone_Development|bone]] - [[Palate_Development|hard palate]] roof of mouth.
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* {{cartilage}} - base of skull and vertebra.
* [[Musculoskeletal_System_-_Cartilage_Development|cartilage]] - [[Palate_Development|soft palate]] back of mouth.
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* {{bone}} - {{mandible}}.
* [[Musculoskeletal_System_-_Cartilage_Development|cartilage]] - base of skull and vertebra.
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* {{axial skeleton}} - vertebra, axis and atlas.
* [[Musculoskeletal_System_-_Bone_Development|bone]] - [[Musculoskeletal_System_-_Skull_Development#Mandible_Development|mandible]].
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| valign=top width=200px|
* [[Musculoskeletal_System_-_Axial_Skeleton_Development|axial skeleton]] - vertebra, axis and atlas.
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* [[Musculoskeletal_System_-_Muscle_Development|muscle]] - {{tongue}}, attached to mandible, note foramen cecum.
| valign=top|
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* {{muscle}} - soft {{palate}} back of mouth.
===Muscle===
 
* [[Musculoskeletal_System_-_Muscle_Development|muscle]] - [[Tongue Development|tongue]], attached to mandible, note foramen cecum.
 
 
** genioglossus muscle - attached to mandible
 
** genioglossus muscle - attached to mandible
 
** geniohyoideus muscle - attaching hyoid bone to mandible
 
** geniohyoideus muscle - attaching hyoid bone to mandible
 
|}
 
|}
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{{Fetal head 12 week}}
  
  

Latest revision as of 10:15, 20 February 2019

Human Fetal Head Week 12

This mid-line section through the early fetal head (12 weeks) shows features of the developing skull, neural (brain), face, mouth, pharynx and neck.


Neural System Endocrine Skeletal System Muscle
  • hypothalamus‎
  • pituitary sitting in the sella turcica.
    • note remnant of Rathke's pouch still visible on floor of developing sella turcica (cartilage)
  • muscle - tongue, attached to mandible, note foramen cecum.
  • muscle - soft palate back of mouth.
    • genioglossus muscle - attached to mandible
    • geniohyoideus muscle - attaching hyoid bone to mandible


12 Week Images: Sagittal unlabeled | Sagittal labeled | Sagittal medial view | Sagittal lateral view | Pituitary unlabeled | Pituitary labeled | Tongue | Skull Development | Head Development


Image Source: Prof Virginia Diewert


Cite this page: Hill, M.A. (2020, October 25) Embryology Fetal head section 01.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Fetal_head_section_01.jpg

What Links Here?
© Dr Mark Hill 2020, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G

File history

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Date/TimeThumbnailDimensionsUserComment
current14:07, 18 March 2012Thumbnail for version as of 14:07, 18 March 20121,200 × 821 (186 KB)Z8600021 (talk | contribs)
13:23, 18 March 2012Thumbnail for version as of 13:23, 18 March 20121,200 × 821 (185 KB)Z8600021 (talk | contribs)
13:17, 18 March 2012Thumbnail for version as of 13:17, 18 March 2012965 × 660 (120 KB)Z8600021 (talk | contribs)
12:11, 18 March 2012Thumbnail for version as of 12:11, 18 March 2012965 × 660 (118 KB)Z8600021 (talk | contribs)==Human Fetal Head Week 12== Selected medial head (12 weeks) view showing key features of head musculoskeletal and neurological development. Note extensive nasal cartilage, nasal conchae, pituitary, secondary palate, oral cavity, tongue, mandible, hyoid,