File:Fox1908 fig62.jpg
Fox1908_fig62.jpg (725 × 374 pixels, file size: 79 KB, MIME type: image/jpeg)
Fig. 62. Region of the sinus praecervicalis in the same cat
F. Pc., fundus praecervicalis; Ph. P. 4, fourth pharyngeal pouch, only its outer tip showing on the left side; V’. D. 2-3, ventral diverticula of second and third pouches, their inferior parts cut off; V. Pc., vesicula prsecervicalis. X 80, reduced 1/9.
The lateral margin is joined to the ectoderm for almost its entire extent, in this respect also resembling the preceding pouch (see clear area in fig. '7). In the 9.7 mm. cat (No. 466, Harvard series, figs, 61, 62) the ventral diverticulum (V.D.3) of the third pharyngeal pouch is slightly more elongated "at its ventro-internal angle. In other respects it is essentially similar to the stage last described.
The fundus has much the same features as hitherto. Its inner extremity, while still connected at one point with the fourth pouch (fig. 62, P11. P. 4), is prolonged above the latter and forms a slight dilatation situated a short distance back of the dorsal edge of the third pouch (fig. 62, V.Pc.).
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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) |
- Pharyngeal Pouch Images: 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 |50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | Fox 1908 | Head Development
Reference
Fox H. The pharyngeal pouches and their derivatives in the mammalia. (1908) Amer. J Anat. 8(3): 187-250.
Cite this page: Hill, M.A. (2024, March 19) Embryology Fox1908 fig62.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Fox1908_fig62.jpg
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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