Macroscopic features of the venous drainage of the reproductive system of the male ostrich (Struthio camelus)

Onderstepoort Journal of Veterinary Research

 
 
Field Value
 
Title Macroscopic features of the venous drainage of the reproductive system of the male ostrich (Struthio camelus)
 
Creator Elias, M.Z.J. Aire, T.A. Soley, J.T.
 
Subject — —
Description The macroscopic features of the venous drainage of the reproductive system of the male ostrich were studied in six pre-pubertal and three sexually mature and active birds. Each testis was drained by one to four testicular veins. The right testicular veins drained the right testis and epididymis and its appendix to the caudal vena cava and to the right common iliac vein, whereas the left testicular veins drained the left testis and epididymis and its appendix exclusively to the left common iliac vein. A number of variations in the drainage pattern based on the point of entry and number of testicular veins were observed. The cranial aspect of the testis was also linked to the caudal vena cava or common iliac vein via the adrenal veins. The cranial, middle and caudal segments of the ductus deferens (and ureter) were drained by the cranial, middle and caudal ureterodeferential veins respectively, to the caudal testicular veins, the caudal renal veins and pudendal / caudal part of the internal iliac veins. In some specimens, the caudal ureterodeferential veins also drained into the caudal mesenteric vein. The surface of the phallus was drained by tributaries of the pudendal vein. The basic pattern of venous drainage of the reproductive organs of the male ostrich was generally similar to that described for the domestic fowl. However, important differences, including the partial fusion of the caudal renal veins, drainage of the cranial aspect of the testes via the adrenal veins, drainage of the caudal ureterodeferential veins into the caudal mesenteric vein and the presence of veins draining the surface of the phallus, were observed. Although significant, these differences may simply reflect variations in the normal pattern of venous drainage of the reproductive tract of birds which could be verified by studying more specimens and more species.
 
Publisher AOSIS
 
Contributor
Date 2008-09-10
 
Type info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion — —
Format application/pdf
Identifier 10.4102/ojvr.v75i4.105
 
Source Onderstepoort Journal of Veterinary Research; Vol 75, No 4 (2008); 289-298 2219-0635 0030-2465
 
Language eng
 
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https://ojvr.org/index.php/ojvr/article/view/105/100
 
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Rights Copyright (c) 2008 M.Z.J. Elias, T.A. Aire, J.T. Soley https://creativecommons.org/licenses/by-nd/4.0
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