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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.
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.


Also note the developing tongue musculature and its mandibular attachment site.
This mid-line section through the fetal head shows features of the brain, face and mouth.
===Neural===
* developing brain and brainstem.
* lamina terminalis (site of anterior neuropore closure).
* fourth ventricle.
* developing pituitary sitting in the sella turcica.
===Musculoskeletal===
* cartilage - septum of the nose.
* bone - ossifying nasal concha.
* bone - palate roof of mouth.
* cartilage - soft palate back of mouth.
* cartilage - base of skull and vertebra.
* muscle - tongue, attached to mandible, note foramen cecum.
* bone - mandible.


Original File Name: 12weekhead.jpg


:'''Links:''' [[:File:Fetal head section.jpg|Week 12 - Head histology]] | [[:File:Fetal head medial.jpg|Week 12 - Head medial cartilage/bone]] | [[:File:Fetal head lateral.jpg|Week 12 - Head lateral cartilage/bone]] | [[Head Development]] | [[Gastrointestinal Tract Development]] | [[Musculoskeletal_System_-_Bone_Development|Bone Development]]
:'''Links:''' [[:File:Fetal head section.jpg|Week 12 - Head histology]] | [[:File:Fetal head medial.jpg|Week 12 - Head medial cartilage/bone]] | [[:File:Fetal head lateral.jpg|Week 12 - Head lateral cartilage/bone]] | [[Head Development]] | [[Gastrointestinal Tract Development]] | [[Musculoskeletal_System_-_Bone_Development|Bone Development]]


Source: Prof Virginia Diewert
Source: Prof Virginia Diewert Original File Name: 12weekhead.jpg


{{Template:Footer}}
{{Template:Footer}}


[[Category:Human Fetus]] [[Category:Week 12]] [[Category:Musculoskeletal]] [[Category:Bone]] [[Category:Cartilage]] [[Category:Neural]] [[Category:Head]]  [[Category:Skull]]
[[Category:Human Fetus]] [[Category:Week 12]] [[Category:Musculoskeletal]] [[Category:Tongue]] [[Category:Bone]] [[Category:Cartilage]] [[Category:Neural]] [[Category:Head]]  [[Category:Skull]] [[Category:Pituitary]]

Revision as of 10:36, 18 March 2012

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.

This mid-line section through the fetal head shows features of the brain, face and mouth.

Neural

  • developing brain and brainstem.
  • lamina terminalis (site of anterior neuropore closure).
  • fourth ventricle.
  • developing pituitary sitting in the sella turcica.

Musculoskeletal

  • cartilage - septum of the nose.
  • bone - ossifying nasal concha.
  • bone - palate roof of mouth.
  • cartilage - soft palate back of mouth.
  • cartilage - base of skull and vertebra.
  • muscle - tongue, attached to mandible, note foramen cecum.
  • bone - mandible.


Links: Week 12 - Head histology | Week 12 - Head medial cartilage/bone | Week 12 - Head lateral cartilage/bone | Head Development | Gastrointestinal Tract Development | Bone Development

Source: Prof Virginia Diewert Original File Name: 12weekhead.jpg


Cite this page: Hill, M.A. (2024, April 25) Embryology Fetal head section.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Fetal_head_section.jpg

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© Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G

File history

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Date/TimeThumbnailDimensionsUserComment
current12:24, 18 March 2012Thumbnail for version as of 12:24, 18 March 20121,200 × 821 (167 KB)Z8600021 (talk | contribs)
12:18, 18 March 2012Thumbnail for version as of 12:18, 18 March 2012965 × 660 (107 KB)Z8600021 (talk | contribs)
15:41, 13 September 2009Thumbnail for version as of 15:41, 13 September 2009965 × 660 (63 KB)S8600021 (talk | contribs)Selected medial head 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 devel