THE MALE REPRODUCTIVE SYSTEM

1. THE MALE REPRODUCTIVE SYSTEM K. SRIPANIDKULCHAI.PhD. DEPARTMENT OF ANATOMY FACULTY OF MEDICINE KHON KAEN UNIVERSITY

2. วัตถุประสงค์ เมื่อสิ้นสุดการเรียนแล้ว นักศึกษาสามารถ 1. บอกหน้าที่ของระบบสืบพันธุ์เพศชายได้ 2. บอกชื่ออวัยวะที่ประกอบเป็นระบบสืบพันธุ์เพศชายได้ 3. อธิบายกายวิภาคศาสตร์ของอวัยวะในระบบสืบพันธุ์เพศชายได้ 4. อธิบายการสร้างอสุจิ โครงสร้างของอสุจิได้ 5. อธิบายทางเดินของอสุจิได้

3. THE MALE REPRODUCTIVE ORGANS Primary sex organ : Testis Secondary sex organ : Reproductive tract -Ductulus efferens -Ductus epididymis -Ductus deferens -Ejaculartory duct -Urethra : Accessory sex gland -Seminal vesicle -Prostate gland -Bulbourethral gland -Urethral gland

5. The testis Structure of the testis - เป็นต่อมรูปไข่ - ขนาด 2.5 x 4 เซนติเมตร - บรรจุอยู่ในถุงอัณฑะ (scrotum) - ภายในอัณฑะแบ่งเป็น ช่องรูปลิ่มเล็กๆ ประมาณ 250 - 300 ช่อง แต่ละช่องบรรจุ seminiferous tubule

6. SCROTUM Skin Superficial (Dartos ) fascia External spermatic fascia Middle spermatic fascia Cremasteric muscle Internal spermatic fascia Tunica vaginalis Visceral & Parietal layers

7. DESCENT OF TESTIS

8. INDIRECT INGUINAL HERNIA PATENT PROCESSUS VAGINALIS INDIRECT INGUINAL HERNIA FUNICULAR PROCESS HERNIATION IN FUNICULAR PROCESS

10. SPERMATIC CORD SUSPEND TESTIS COVERING EXTERNAL SPERMATIC FASCIA MIDDLE SPERMATIC FASCIA (CREMASTERIC FASCIA) CREMASTERIC MUSCLE(INTERNALABDOMINAL OBLIQUE + TRANSVERSUS ABDOMINIS) INTERNAL SPERMATIC FASCIA CONTENTS DUCTUS DEFERENS TESTICULAR ARTERY PAMPINIFORM PLEXUS CREMASTERIC ARTERY GENITOFEMORAL NERVE LYMPHATIC VESSEL FAT VASECTOMY SUPERFICIAL INGUINAL RING

11. CONTENTS OF THE SPERMATIC CORD

12. TESTICULAR ARTERY

13. Primary sex organ Testis Covering : Tunica vaginalis : Tunica albuginea : Tunica vasculosa Stroma : Loose connective tissue : Septum : Medastinum testis : Leydic ecll Parenchyma : Seminiferous epithelium

15. MICROSCOPIC VIEW OF TESTIS SPERMATIC FASCIA &CREMASTERIC MUSCLE TUNICA VAGINALIS TUNICA ALBUGINEA TUNICA VASCULOSA CONNECTIVE TISSUE SEPTUM PARENCHYMA OF TESTIS SEMINIFEROUS TUBULE SEMINIFEROUD EPITHELIUM

16. SEMINIFEROUS EPITHELIUM

17. SPERMATOGENIC CELLS SPERMATOGONIUM PRIMARY SPERMATOCYTE SPERMATID SERTOLI CELL MYOID CELL BASEMENT MEMBRANE LOOSE CONNECTIVE TISSUE

18. LYDIG CELL

19. Parenchyma : Seminiferous epithelium :Convoluted seminiferous tubule : Spermatogenic cell Spermatogonia,Primary & Secondary Spermatocyte,spermatid,Sperm : Sertoli cell : Tubulus rectus : Rete testis

20. Spermatogenesis 1. Spermatogonial phase 2. Spermatocyte phase 3. Spermatid phase

23. Spermiogenesis 1. FLAGELLA DEVELOPMENT 2. ACROSOMAL DEVELOPMENT GOLGI PHASE CAP PHASE ACROSOMAL PHASE MATURATION PHASE

25. โครงสร้างตัวอสุจิ

27. SERTOLI CELL

28. SERTOLI’S CELL COLUMNAR CELL BRIDGE CELL OCCLUDING (TIGHT) JUNCTION 1.BASOLATERAL AND ADLUMINALCOMPARTMENTS 2.BLOOD-TESTIS BARRIER FUNCTION 1. SUPPORT,PROTECT ,NOURICH DEVELOPING SPERMATOGENIC CELLS 2. RESIDUAL BODY PHAGOCYTOSIS 3 ACTIN MEDIATE SPERMIATION 4. PRODUCE TESTICULAR FLUID 5. SECRETE ABP INHIBIN ACTIVIN MIS

30. Male reproductive tract Intratesticular tract Tubulus rectus Rete testis Extratesticular tract Ductulus efferens Ductus epididymis Ductus deferens Ejaculatory duct Urethra

32. RETE TESTIS SEMINIFEROUS TUBULE

33. SIMPLE CUBOIDAL(COLUMNAR) EPITHELIUM & 1 CILIA

35. EFFERENT DUCTULE

36. SIMPLE COLUMNAR EPITHELIUM 1. PRINCIPAL CELL & STEREOCILIA : RESORPTION 2.CLIATED CELL:NONMOTILE SPERM TRANSPORT 3. BASAL CELL SCALLOPED OUTLINED EPITHELIUM

37. EPIDIDYMIS HEAD(CAPUT) EFFERENT DUCTULE BODY(CORPUS) TAIL(CAUDA) DUCTUS EPIDIDYMIS

41. PSEUDOSTRATIFIED COLUMNAR EPITHELIUM WITH BRANCHED STEREOCILIA

42. SPERM MATURATION CAPACITATION FEMALE GENITAL TRACT

43. DUCTUS DEFERENS

44. SPERMATIC CORD

45. DUCTUS DEFERENS MUCOSA PSEUDOSTRATIFIED COLUMNAR EPITHELIUM LAMINA PROPIA MUSCULAR LAYER INNER LONGITUDINAL MIDDLE CIRCULAR OUTER LONGITUDINAL ADVENTITIA

47. ACESSORY MALE SEX GLANDS SEMINAL VESICLE PROSTATE GLANDS BULBOURETHRAL GLAND URETHRAL GLAND

48. SEMINAL VESICLE

49. SAGITTAL SECTION OF THE MALE PERINEUM

50. POSTERIOR SURFACE OF URINARY BLADDER AMPULLA OF THE DUCTUD DEFERENS URETER SEMINAL VESICLE