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. 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.
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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.
  
 
{{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|
===Musculoskeletal 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_-_Muscle_Development|muscle]] - [[Tongue Development|tongue]], attached to mandible, note foramen cecum.
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| valign=top width=200px|
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* [[Musculoskeletal_System_-_Muscle_Development|muscle]] - {{tongue}}, attached to mandible, note foramen cecum.
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* {{muscle}} - soft {{palate}} back of mouth.
 
** genioglossus muscle - attached to mandible
 
** genioglossus muscle - attached to mandible
 
** geniohyoideus muscle - attaching hyoid bone to mandible
 
** geniohyoideus muscle - attaching hyoid bone to mandible
* [[Musculoskeletal_System_-_Bone_Development|bone]] - mandible.
 
* [[Musculoskeletal_System_-_Axial_Skeleton_Development|axial skeleton]] - vertebra, axis and atlas
 
 
|}
 
|}
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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, December 4) 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,