File:Fetal head section 01.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
- brain - hypothalamus and pituitary
- brainstem - pons and medulla
- lamina terminalis - site of anterior neuropore closure
- fourth ventricle - ventricular space behind the pons and medulla
- basilar artery - lying ventral to the pons
Endocrine
- hypothalamus
- pituitary
- sitting in the cartilage form of sella turcica
- note remnant of Rathke's pouch still visible on floor of developing sella turcica
Musculoskeletal
cartilage
- nasal septum - midline of developing nasal cavities
- chrondrocranium - base of skull
- tracheal cartilages - surrounding trachea
bone
- ossifying nasal concha
- hard palate - roof of mouth
- mandible
- vertebra, axis and atlas
muscle
- soft palate - back of mouth
- tongue - 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 25) Embryology Fetal head section 01.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Fetal_head_section_01.jpg
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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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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File usage
The following 14 pages use this file:
- AACP Meeting 2013 - Face Embryology
- ANAT2341 Lab 11 - Embryo to Fetus
- ANAT2341 Lab 6 - Fetal
- BGDA Practical 12 - Second Trimester
- BGDB Face and Ear - Fetal
- BGDB Gastrointestinal - Fetal
- Draft 2016
- Fetal Development - 12 Weeks
- Gastrointestinal Tract - Mouth Development
- Gastrointestinal Tract - Oesophagus Development
- Lecture - Respiratory Development
- Musculoskeletal System - Skull Development
- Neural - Pons Development
- SH Lecture - Respiratory System Development