Male genital tract Dr Mazin albakri Male reproductive

Male genital tract Dr. Mazin albakri

* Male reproductive system consist of: 1 - scrotum 2 - Testes & epididymis 3 - Spermatic cord 4 - deferent duct 5 - penis 6 - accessory genital gland

1 - Scrotum consist of varies layers a- Skin b- Tunica dartos c- external spermatic fascia d- Cremaster muscle & fascia e- Internal spermatic fascia d- Tunica vaginalis visceral layer parietal layer

Testes , Testis or Testicle * Type of testes 1 - Testicond (intra abdominal), e. g. : seal, bird, whales, elephant & hyraxes. 2 - (Scrotal testes) extra abdominal a- inguinal testes e. g. : Stallion, Ox, Ram B-Perineum testes e. G. Dog, Camel , Pig

* Structure of testes

* Trabeculae testicular septa * Semineferous tubules * Rete testes * Mediastinum * Spermatozoa

* Descent (descend) of testes * Gubernaculum * cryptochidism

Epididymis 1 - head caput 2 - body corpus 3 - tail cauda

Spermatic cord Mesorchium Mesoductus Pampniform plexus

Male copulatory organ Penis : male copulatory organ 1 - root 2 - body or shaft 3 - glans penis Prepuce inner lamina & outer lamina ( inner lamina absent in rumina: the cutaneous sheath around the free part of the penis in the quiescent state it has nt ) Preputial orifice: external opening of the prepuce to the out side Preputial cavity: the space BW prepuce & the glans in the quiescent state

Structure of penis 1 - corpus cavernosum penis (cavernosum body) paired of erectile tissue with venous space separated by C. T. ( septa) , it consist of greater part of penis , located dorsally surrounded by fibrous capsul with elastic fiber termed tunica albugina 2 - corpus spongiosum penis this part directed ventrally to the cavernosum body

Muscles of penis 1 - Ischio cavernosum mus. 2 - Bulbo spongiosum mus. 3 - Retractor mus. Type of penis 1 - musclo cavernosum penis 2 - fibro elastic penis