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

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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

central nervous system.
hypothalamus
lamina terminalis (site of anterior neuropore closure).
fourth ventricle, ventricular space behind the pons and medulla.
brainstem - pons and medulla
basilar artery - lying ventral to the pons

Endocrine

hypothalamus
pituitary sitting in the sella turcica.
- note remnant of Rathke's pouch still visible on floor of developing sella turcica (cartilage)

Skeletal System

cartilage - skull septum of the nose.
bone - upper respiratory ossifying nasal concha.
bone - hard palate roof of mouth.
cartilage - soft palate back of mouth.
cartilage - base of skull and vertebra.
bone - mandible.
axial skeleton - vertebra, axis and atlas.

Muscle

muscle - tongue, attached to mandible, note foramen cecum.
- genioglossus muscle - attached to mandible
- geniohyoideus muscle - attaching hyoid bone to mandible

Image Source: Prof Virginia Diewert

Cite this page: Hill, M.A. (2024, April 18) Embryology Fetal head section 01.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Fetal_head_section_01.jpg

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	Date/Time	Dimensions	User	Comment
current	13:07, 18 March 2012	1,200 × 821 (186 KB)	Z8600021 (talk \| contribs)
	12:23, 18 March 2012	1,200 × 821 (185 KB)	Z8600021 (talk \| contribs)
	12:17, 18 March 2012	965 × 660 (120 KB)	Z8600021 (talk \| contribs)
	11:11, 18 March 2012	965 × 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,

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Revision as of 12:02, 17 February 2016 (view source) Z8600021 (talk \| contribs) mNo edit summary ← Older edit		Revision as of 09:03, 20 February 2019 (view source) Z8600021 (talk \| contribs) m (→‎Human Fetal Head Week 12) Newer edit →
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	==Human Fetal Head Week 12==		==Human Fetal Head Week 12==

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