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  • Title: [Vascularization of the anal sacs in the domestic cat].
    Author: Godynicki S, Flachsbarth MF, Schwarz R.
    Journal: Ann Anat; 1995 Jul; 177(5):421-6. PubMed ID: 7645737.
    Abstract:
    The blood vessels of the anal sac in the domestic cat--A. rectalis caudalis and A. perinealis ventralis, from which the former arises--are visceral blood vessels. A rectalis caudalis, being the origin of anal sac arteries, facilitates the blood supply of the anal sac, while the duct of the anal sac is vascularized mainly by branches from the A. perinealis ventralis. Within the anal sac wall, the anal sac arteries ramify to become Rr. glandulae holocrinae, Rr. glandulae apocrinae as well as branches of a vascular network in the mucosal propria from which Rr. epitheliales arise. All of the mentioned rami extend into a close-meshed capillary network. The venous drainage is facilitated by veins that run mainly parallel to the arterial blood vessels.
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