This document discusses the route that sperm take from the testes to ejaculation and provides details on the key structures involved like the epididymis and vas deferens. It also examines slides from a testicular biopsy showing normal spermatogenesis within seminiferous tubules and the orderly maturation of germ cells. Additionally, it mentions Leydig cells, peritubular fibrosis, hypospermatogenesis, and the differences between non-obstructive and obstructive azoospermia. The document was authored by Dr. Mohammad Manzoor Mashwani from Bacha Khan Medical College in Mardan.

1. Testicular Biopsy
Slides
Dr Mohammad Manzoor Mashwani
Lecturer Bacha Khan Medical College
Mardan

2. Sperms--Route
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Testes
Epididymis
Vas deferens
Seminal vesicle
Ejaculatory duct---Prostate gland
Urethra

10. BLOOD TESTIS BARRIER

24. Testicular biopsy showing numerous seminiferous tubules with normal spermatogenesis

25. Note the orderly maturation of germ cells from the base to the center of the lumen.
Spermatogonia (along the basement membrane), primary & secondary spermatocytes
spermatids, and spermatozoa are seen
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35. Leydig Cells

52. Peritubular fibrosis

53. Peritubular fibrosis

54. Hypospermatogenesis

55. Hypospermatogenesis

56. Non obstructive & Obstructive Azoospermia

57. BACHA KHAN MEDICALCOLLEGE
MARDAN