The male gonad containing two functional parts: the SEMINIFEROUS TUBULES for the production and transport of male germ cells (SPERMATOGENESIS) and the interstitial compartment containing LEYDIG CELLS that produce ANDROGENS.
    

concept

Hydatid testis after removal from a living body

Ram's testicles: cylindrical and flabby

Ram's testicles: elongated, hypoplasia, etc

Ram: sinus opening on surface of scrotum

Ange-Bernard Imbert-Delonnes. Drawing by P. Chasselat, 1799-1800.

[Leaflet advertising appearances by the 6 month old John Baptist Dos Santos, born with 3 legs, 2 penises and 4 testicles in Portugal 1843 on display at no.56, Quadrant, Regent Street, London].

Zweihundertundsechzig Radicaloperationen nach Bassini, nebst einer eigenen Methode der conservativen Vorlagerung des Leistenhodens / von C. Nicoladoni.

Observations on the testicles / by James Russell.

Endocrinology of the testis : ed. by G. E. W. Wolstenholme and Maeve O'Connor.

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Ram: sinus opening on surface of scrotum

[Leaflet advertising appearances by the 6 month old John Baptist Dos Santos, born with 3 legs, 2 penises and 4 testicles in Portugal 1843 on display at no.56, Quadrant, Regent Street, London].

Zweihundertundsechzig Radicaloperationen nach Bassini, nebst einer eigenen Methode der conservativen Vorlagerung des Leistenhodens / von C. Nicoladoni.

Observations on the testicles / by James Russell.

Endocrinology of the testis : ed. by G. E. W. Wolstenholme and Maeve O'Connor.