BIOCHEMISTRY OF SEMEN SUHERNI SUSILOWATI HARDIJANTO TRILAS SARDJITO.

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Presentation transcript:

BIOCHEMISTRY OF SEMEN SUHERNI SUSILOWATI HARDIJANTO TRILAS SARDJITO

SEMEN Semen is a liquid or semigelatinous cellular suspension containing the male gamet or spermatozoa and secretion from the accesory organs of the male reproductive tract The fluid portion of this suspention, which is formed at ejaculation, is known as seminal plasma.

Biochemichal of semen Semen consisted of : solid spermatozoa fluid seminal plasma Chemistry of spermatozoa - Head - Neck biochemichal constituents - Tail is different

Head contains : -nucleus (DNP) -acrosome -acrosomalpolysacharid -enzyme (hyaluronidase, acrosin and corona petnetrating enzyme/CPE). Neck contains :- lipid (lipoprotein) - cytochrom - aerob and an aerobe enzyme. Tail contains : plasmalogen (as a endogen energy)

BIOCHEMICHAL OF SEMINAL PLASMA Biochemichal constituent of seminal plasma : 1.Organic : cholin, citric acid, fructose, sorbitol, inositol and ergothionine 2. Inorganic : calium, calcium, carbonat, phosphat and weigth of metal 3. Hormone, peptides, amino acids and proteins

Cont Seminal plasma is composite secretion arising from a number of sources including the testes, epididymis and accessory glands of the male. Seminal plasma appears to be more important in natural mating where the ejaculate is deposited in the vagina.

SPERMATOZOA METABOLISM

STRUCTURE OF DUTIES Explain the character of seminal plasma on cattle !! Explain the spermatozoa metabolism !! Why the post ejaculated spermatozoa not experiance of capacitation and acrosome reaction. Please explaining in a short sentences !!