The blood vascular system in the head of the herring gull (Larus argentatus)

Journal of Morphology
U Midtgard

Abstract

The structure and development of the blood vascular system in the head of the herring gull (Larus argentatus) have been studied using injection techniques and histological sections. Three different but interconnected divisions of the arterial system are recognized in the adult: the cerebral carotid artery system, the external ophthalmic artery system, and the external carotid artery system. Embryologically, the arterial system is characterized by changes in the relative development of these divisions; the cerebral carotid system being the most prominent in the first half of the embryonic period. The venous system is divided into two parts, the rostral cephalic system and the caudal cephalic system, which drain separate regions of the head. The Rete ophthalmicum , which is an arteriovenous network associated with the external ophthalmic artery system, can be identified from the fifth day of incubation, and its development appears to be coupled with changes in the arterial supply to the eye. The possibility of a homology between the Rete ophthalmicum of birds and the Rete caroticum of mammals is briefly discussed.

References

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Citations

Jan 1, 1990·The American Journal of Anatomy·S Kuratani, S Tanaka
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Oct 17, 2019·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Wm Ruger Porter, Lawrence M Witmer
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