THE MORPHOGENESIS OF VASCULATURE OF THE SWINE FETAL EXTERNAL EAR | ||||
| Assiut Veterinary Medical Journal | ||||
| Article 9, Volume 15.1, Issue 29, September 1985, Page 65-71 PDF (3.17 MB) | ||||
| Document Type: Research article | ||||
| DOI: 10.21608/avmj.1985.190234 | ||||
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| Authors | ||||
| M.A.A. AHMED; R. SCHWARZ; M.R. FATH EL-BAB | ||||
| Abstract | ||||
| The morphogenesis of the vascular elements in the fetal external ear of 37 swine fetuses (German landrace), from 90-330 mm crown to-rump length, was described. A simple pattern for the auricular vascular supply in the form of 5-7 arterial branches and two large veins could be recognized in fetuses ranging from 90-100 mm CVR length. In 150-200 mm length fetuses, the blood vessels were differentiated into a definite pattern of construction and were accompanied by satellite veins on both sides. The third stage of development showed a progressed pattern of distribution as the arteries presented further regional differentiation along their course, and the veins were connected transversely with several venous arches. | ||||
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