Lobules of testis
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| Lobules of testis | |
|---|---|
| Schematic drawing of testicle and epididymis. 1 Tunica albuginea, 2 Septula testis, 3 Lobulus testis, 4 Mediastinum testis, 5 Tubuli seminiferi contorti, 6 Tubuli seminiferi recti, 7 Rete testis, 8 Ductuli efferentes testis, 9 Ductus epididymidis, 10 initial part of deferent duct | |
 | |
| 1: Head or upper pole of testis, 2: Tunica albuginea, 3: Testicular septa, 4: Anterior margin (free margin), 5: Lateral surface, 6: Tail or lower pole of testis, 7: Testicular lobules, 8: Parenchyma of testis, 9: Efferent ductules, 10: Mediastinum testis, 11: Posterior margin | |
| Latin | lobuli testis |
| Dorlands/Elsevier | l_13/12500983 |
The glandular structure of the testis consists of numerous lobules.
Their number, in a single testis, is estimated by Berres at 250, and by Krause at 400.
They differ in size according to their position, those in the middle of the gland being larger and longer.
The lobules are conical in shape, the base being directed toward the circumference of the organ, the apex toward the mediastinum testis.
Each lobule is contained in one of the intervals between the fibrous septa which extend between the mediastinum testis and the tunica albuginea, and consists of from one to three, or more, minute convoluted tubes, the tubuli seminiferi.
Additional images
 Vertical section of the testis, to show the arrangement of the ducts. |
External links
- SUNY Labs 36:st-1401 - "Inguinal Region, Scrotum and Testes: Testis"
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
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