Fig.4. Drawing of a model constructed from sections of a 19 mm Embryo
The orbital wings are seen ascending almost vertically from the median mass (C.S.). A nucleus of chondrification is seen at O.W. This is connected by a bridge of connective tissue and procartilage with the corpus sphenoidale (C.S.).
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- A. Anterior limb of ala orbitalis forming anterior wall of optic foramen.
- P. Posterior limb of ala orbitalis forming the posterior and inner walls of the optic foramen.
- S.E.C. The spheno-ethmoidal cartilage.
- A.O. Outer end of the spheno-ethmoidal cartilage extending into the temporal fosa.
- I.O.N. Infraorbital nerve.
- M.G. Meckel's ganglion.
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- A.T. Ala temporalis.
- M. Maxilla.
- N.C. Nasal capsule.
- C. Connective tissue in which nasal bone ossifies together with part of the nasal process of the maxilla.
- L.D. Lacrymal duct.
- L.N.P. Lateral nasal cartilage (MAlihalkowics). Ma. Malarbone
- P.P. Parietal plate.
- F. Frontal bone.
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- Sphenoid Links: Fig. 1. Fig. 2.
Reference
Fawcett E. Notes on the development of the human sphenoid. (1910) J Anat. Physiol. 44(3): 207-22. PMID 17232842
Cite this page: Hill, M.A. (2024, April 25) Embryology Fawcett 1910 fig04.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Fawcett_1910_fig04.jpg
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- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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