اناٹومی مطالعاتی نوٹ · Abdomen

Testis

The male gonad, a firm mobile organ in the scrotum that produces spermatozoa and testosterone. The left usually hangs lower than the right.

اہم نکات

Tunica albuginea → lobules → seminiferous tubules → rete testis → efferent ductules → epididymis.
Testicular artery from the aorta (L2).
Lymph → para-aortic nodes at L1 (not inguinal).
Torsion = surgical emergency.
Kept ~3°C cooler than the abdomen.
Descent: scrotum by the end of the 8th month.
Cryptorchidism → infertility, malignancy risk.
Sertoli: blood–testis barrier, ABP, inhibin.
Leydig: testosterone (LH).

خصوصیات · Blood supply · Lymph drainage · Histology · Development · طبی اہمیت

مفت سائن اِن کریں تاکہ اسے 3D ماڈل پر دیکھیں، مکمل نوٹ پڑھیں اور اس پر سوالات کی مشق کریں۔