File:Fawcett 1910 fig12.jpg

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Fig. 12 Coronal section of the head of a 37 mm embryo Harvard Collection

Harvard Collection It shows us that the external pterygoidplate (E.P.) is composed of connective tissue. E.P.M.is the external pterygoid muscle; I.P.P. is the bony (ectochondral) internal pterygoid plate; T.P. the tensor palati; M. mandible; M.C. Meckel's cartilage; M.G. Meckel's ganglion; N.S. nasal septum; N. nasal cavity; 0. the mouth; I.P. internal pterygoid muscle; P. the ununited palate.


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Pages where the terms "Historic" (textbooks, papers, people, recommendations) appear on this site, and sections within pages where this disclaimer appears, indicate that the content and scientific understanding are specific to the time of publication. This means that while some scientific descriptions are still accurate, the terminology and interpretation of the developmental mechanisms reflect the understanding at the time of original publication and those of the preceding periods, these terms, interpretations and recommendations may not reflect our current scientific understanding.     (More? Embryology History | Historic Embryology Papers)
  • 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.
  • 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.


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, June 19) Embryology Fawcett 1910 fig12.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Fawcett_1910_fig12.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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