浙江大学医学院：The Male Reproductive System（Testis and epididymis，No.38）

The Male reproductive System >Testis and epididymis(No. 38) 20190528

The Male Reproductive System ➢Testis and epididymis (No.38) 20190528

Testis and epididymis epididymis testis Mediastinum testis Tunica albuginea

Testis and epididymis testis epididymis Tunica albuginea Mediastinum testis

Tunica testis albuginea Mediastinum testis epididy ymIs

testis epididymis Tunica albuginea Mediastinum testis

Seminiferous tubule Rete testis in the medistinum testis

Seminiferous tubule Rete testis in the medistinum testis

Seminiferous tubule Boundary tissue tunica of ct+basement membrane Complex spermatogenic epi

Seminiferous tubule ➢Boundary tissue:tunica of CT+basement membrane ➢Complex spermatogenic epi

1. spermatogonium 2. Primary spermatocyst 3. Second spermatocytes 4. spermatids 5. spermatozoon

1.Spermatogonium 2.Primary spermatocytes 3.Secondary spermatocytes 4.Spermatids 5.Spermatozoons 1 2 3 4

感好 Sustentacular cells(Sertoli cells Cytoplasm is barely visible > Triangular nucleus

Sustentacular cells (Sertoli cells) ➢Cytoplasm is barely visible ➢Triangular nucleus

Interstitial cells Leydig cells) Located betw tubules >Often in groups Large in body and eosinophilic in cytoplasm

Interstitial cells (Leydig cells) ➢Located betw tubules ➢Often in groups ➢Large in body and eosinophilic in cytoplasm

Seminiferous tubule 多 Tubuli recti Rete testis 小 Mediastinum testis

Tubuli recti Seminiferous tubule Mediastinum testis Rete testis

直精小管 Tubuli recti (straight tubule Seminiferous tubule

Tubuli recti (straight tubule) Seminiferous tubule