File:Fetal head section.jpg

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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.


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

This mid-line section through the fetal head shows features of the developing skull and 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: Image - Head histology | Image - Head medial cartilage/bone | Image - Head lateral cartilage/bone | Head Development | Gastrointestinal Tract Development | Skull Development | Bone Development


Fetal Links: fetal | Week 10 | Week 12 | second trimester | third trimester | fetal neural | Fetal Blood Sampling | fetal growth restriction | birth | birth weight | preterm birth | Developmental Origins of Health and Disease | macrosomia | BGD Practical | Medicine Lecture | Science Lecture | Lecture Movie | Category:Human Fetus | Category:Fetal
Historic Embryology  
1940 Fetus Physiology
Carnegie Fetal: 95 | 96 | 142 | 145 | 184 | 211 | 217 | 300 | 362 | 448 | 449 | 538 | 590 | 607 | 625 | 662 | 693 | 847 | 858 | 922 | 928 | 948 | 972 | 1318 | 1388 | 1455 | 1591 | 1597b | 1656 | 1686 | 2250a | 2250b | 3990 | 5652 | 6581 | 7218


Image Source: Prof Virginia Diewert



Cite this page: Hill, M.A. (2024, April 19) Embryology Fetal head section.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Fetal_head_section.jpg

What Links Here?
© 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