| ectopic testis | A variant of undescended testis wherein testicular position is outside the usual pathway of descent. See: testis ectopia. (05 Mar 2000) |
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| efferent ductules of testis | One of 12 to 14 small seminal ducts leading from the testis to the head of the epididymis. Synonym: ductulus efferens testis, vas efferens, efferent duct. (05 Mar 2000) |
| torsion of testis | Rotation producing ischemia of testis. (05 Mar 2000) |
| torsion testis | A group of structures which go through the inguinal canal to the testis. The structures include the vas deferens, arteries, veins, lymphatic vessels, and nerves. (12 Dec 1998) |
| trabecula 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) |
| extremitas inferior testis | The inferior end of the testis. Synonym: extremitas inferior testis. (05 Mar 2000) |
| extremitas superior testis | The superior end of the testis. Synonym: extremitas superior testis. (05 Mar 2000) |
| facies lateralis testis | The laterally directed surface of the testis. Synonym: facies lateralis testis. (05 Mar 2000) |
| facies medialis testis | facies medialis testis |
| undescended testis | A testis that has failed to descend into the scrotum; there are palpable and unpalpable (impalpable) variants. Synonym: cryptorchid testis. (05 Mar 2000) |
| lamina parietalis tunicae vaginalis testis | The outer part of the tunica vaginalis testis supported by the internal spermatic fascia. Synonym: lamina parietalis tunicae vaginalis testis. (05 Mar 2000) |
| lamina visceralis tunicae vaginalis 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) |
| lateral surface of testis | The laterally directed surface of the testis. Synonym: facies lateralis testis. (05 Mar 2000) |
| ligamentum testis | The caudal portion of the embryonic urogenital ridge; the upper third of the gubernaculum testis. (05 Mar 2000) |
| lobules of testis | The subdivisions of the parenchyma of the testis formed by delicate fibrous septa that pass inward from the tunica albuginea to converge at the mediastinum testis. Synonym: lobuli testis. (05 Mar 2000) |