Alteration of semen quality in dogs after creation of varicocele. 1979

A Al-Juburi, and K Pranikoff, and K A Dougherty, and R L Urry, and A T Cockett

A left vein varicocele was created in male dogs by partially obstructing the left renal vein medial to the entrance of the left internal spermatic vein. Eight dogs had semen parameters determined preoperatively (2 times/week for five weeks) and postoperatively (2 times/week for twelve weeks). Semen quality was altered by the experimental varicocele. A significant decrease in sperm count, motility, per cent viable, and per cent oval sperm were noted. Semen volume was not affected. The possible chemical influence of serotonin is mentioned. Testosterone levels were unchanged by the varicocele. Histologic findings in the left and right testicles are mentioned before and after creation of the varicocele.

UI MeSH Term Description Entries
D007668 Kidney Body organ that filters blood for the secretion of URINE and that regulates ion concentrations. Kidneys
D008026 Ligation Application of a ligature to tie a vessel or strangulate a part. Ligature,Ligations,Ligatures
D008297 Male Males
D009929 Organ Size The measurement of an organ in volume, mass, or heaviness. Organ Volume,Organ Weight,Size, Organ,Weight, Organ
D012082 Renal Veins Short thick veins which return blood from the kidneys to the vena cava. Renal Vein,Vein, Renal,Veins, Renal
D002452 Cell Count The number of CELLS of a specific kind, usually measured per unit volume or area of sample. Cell Density,Cell Number,Cell Counts,Cell Densities,Cell Numbers,Count, Cell,Counts, Cell,Densities, Cell,Density, Cell,Number, Cell,Numbers, Cell
D004195 Disease Models, Animal Naturally-occurring or experimentally-induced animal diseases with pathological processes analogous to human diseases. Animal Disease Model,Animal Disease Models,Disease Model, Animal
D004285 Dogs The domestic dog, Canis familiaris, comprising about 400 breeds, of the carnivore family CANIDAE. They are worldwide in distribution and live in association with people. (Walker's Mammals of the World, 5th ed, p1065) Canis familiaris,Dog
D004822 Epididymis The convoluted cordlike structure attached to the posterior of the TESTIS. Epididymis consists of the head (caput), the body (corpus), and the tail (cauda). A network of ducts leaving the testis joins into a common epididymal tubule proper which provides the transport, storage, and maturation of SPERMATOZOA.
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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