| TVT | transmissible venereal tumor; tunica vaginalis testis |
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| VET | ventricular ejection time; vestigial testis |
| blood-testis barrier | The membrane in the testis that separates sperm from the bloodstream. (09 Oct 1997) |
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| vaginal process of testis | A peritoneal diverticulum in the embryonic lower anterior abdominal wall that traverses the inguinal canal; in the male it forms the tunica vaginalis testis and normally loses its connection with the peritoneal cavity; a persistent processus vaginalis in the female is known as the canal of Nuck. Synonym: Nuck's diverticulum, processus vaginalis peritonei, vaginal process of peritoneum, vaginal process of testis. (05 Mar 2000) |
| vanished testis syndrome | <syndrome> Absence of both testes in a male with normal chromosomes (XY) and otherwise normal genitalia at birth and during childhood. Testes were present in at least the first trimester of gestation, but vanished sometime thereafter. (05 Mar 2000) |
| margo anterior testis | An imaginary convex line demarcating the lateral and medial surfaces. Synonym: margo anterior testis. (05 Mar 2000) |
| margo posterior testis | The rounded posterior portion of the testis into which the vessels enter. Synonym: margo posterior testis. (05 Mar 2000) |
| visceral layer of tunica vaginalis of testis | The inner part of the tunica vaginalis testis applied directly to the testis and epididymis. Synonym: lamina visceralis tunicae vaginalis testis. (05 Mar 2000) |
| medial surface of testis | medial surface of testis |
| mediastinum testis | A mass of fibrous tissue continuous with the tunica albuginea, projecting into the testis from its posterior border. Synonym: corpus highmori, corpus highmorianum, Highmore's body, septum of testis. (05 Mar 2000) |
| retractile testis | A testis that periodically disappears from the scrotum, as contrasted with an undescended testis. (05 Mar 2000) |
| gubernaculum testis | A fibrous cord connecting two structures. A mesenchymal column of tissue that connects the foetal testis to the developing scrotum; it appears to play a role in testicular descent. Synonym: gubernaculum testis. Origin: L. A helm (05 Mar 2000) |
| movable testis | A condition in which there is a tendency in the testis to ascend to the upper part of the scrotum or into the inguinal canal. (05 Mar 2000) |
| posterior border of testis | The rounded posterior portion of the testis into which the vessels enter. Synonym: margo posterior testis. (05 Mar 2000) |
| cryptorchid testis | A testis that has failed to descend into the scrotum; there are palpable and unpalpable (impalpable) variants. Synonym: cryptorchid testis. (05 Mar 2000) |
| septula of testis | One of the trabeculae of the testis; imperfect septa and fibrous cords radiating toward the surface of the gland from the mediastinum testis. Synonym: septulum testis, trabecula testis. (05 Mar 2000) |
| septulum testis | One of the trabeculae of the testis; imperfect septa and fibrous cords radiating toward the surface of the gland from the mediastinum testis. Synonym: septulum testis, trabecula testis. (05 Mar 2000) |