Fig. 472. From a section through the head of a human embryo of 28 mm
Showing the nasal septum, the nasal cavities, the oral cavity, and the palatine processes.
Jacobson's organ arises at the beginning of the third month as a small outpocketing of the epithelium on the lower anterior part of the nasal septum (Fig. 472). This evagination grows backward as a slender sac along the nasal septum for a distance of several millimeters and ends blindly. In the adult the sac degenerates and often disappears. In some of the lower Mammals Jacobson's organ develops to a greater degree, and some of the epithelial cells send out processes which pass to the olfactory lobes.
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Cite this page: Hill, M.A. (2019, July 23) Embryology Bailey472.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Bailey472.jpg
- © Dr Mark Hill 2019, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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