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MALE REPRODUCTIVE SYSTEM Conference on the VIBS 443/ VIBS 602.

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Presentation on theme: "MALE REPRODUCTIVE SYSTEM Conference on the VIBS 443/ VIBS 602."— Presentation transcript:

1 MALE REPRODUCTIVE SYSTEM Conference on the VIBS 443/ VIBS 602

2 Tests of male function Blood hormone concentrations Vasogram Scrotal exploration to examine the epididymis Testicular biopsy Sperm analysis – Number – Shape – Motility – Binding/penetration

3 BLOOD - DIAGNOSTIC VALUE - MOST EXAMINED TYPES OF INFORMATION: IDENTIFY NATURE OF DISEASE VIRAL – T LYMPHOCYTES BACTERIAL – NEUTROPHILS PARASITIC – EOSINOPHILS FOLLOWS THE COURSE OF DISEASE ALLOWS METHOD TO EVALUATE THE EFFECTIVENESS OF TREATMENT

4 Blood hormone concentrations

5 Sperm analysis

6 acrosome reacted intact Sperm analysis

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9 EXTRAGENITAL COMPONENTS OF THE MALE REPRODUCTIVE SYSTEM EXCRETORY DUCTS COMPOSITION (RETE TESTIS, EFFERENT DUCTS, EPIDIDYMIS, DUCTUS DEFERENS, EJACULATORY DUCTS, URETHRA) Vasogram

10 ACCESSORY GLANDS – COMPOSITION AND SECRETION ACCESSORY GLANDSSECRETION SEMINAL VESICLESFRUCTOSE FIBRINOGEN PROSTATECITRATE FIBRINOLYSIN BULBOURETHRAL GLANDMUCUS-LIKE LUBRICANT GLANDS OF LITTREMUCUS

11 FUNCTIONAL PROPERTIES OF THE ACCESSORY GLANDS SPECIFIC CONTRIBUTIONS OF SEMINAL PLASMA AS MEASURED BY THE SPLIT EJACULATE METHOD FRACTION of EJACULATE CONTAINSSOURCE FIRST90% OF ALL CITRATEPROSTATE 90% OF ALL SPERMDUCTUS DEFERENS LAST90% OF ALL FRUCTOSESEMINAL VESICLES DEVELOPMENTAL RESPONSE TO ANDROGENS

12 CHARACTERISTICS OF FERTILE HUMAN EJACULATES >20 million SPERM/ml >80% SPERM WITH NORMAL MORPHOLOGY Sperm analysis

13 CHARACTERISTICS OF FERTILE HUMAN EJACULATES >60% PROGRESSIVELY MOTILE SPERM GOOD VISCOSITY (CLOT THEN DISPERSE) ABOUT 3 ml IN VOLUME Sperm analysis

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16 During the hour of this lecture the average male produced 6.6 million spermatozoa


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