<Table> <Tr> <Td> Gland ( s ) </Td> <Td> Approximate fraction </Td> <Td> Description </Td> </Tr> <Tr> <Td> testes </Td> <Td> 2 -- 5 % </Td> <Td> Approximately 200 - to 500 - million spermatozoa ( also called sperm or spermatozoans ) , produced in the testes , are released per ejaculation . If a man has undergone a vasectomy , he will have no sperm in the ejaculation . </Td> </Tr> <Tr> <Td> seminal vesicles </Td> <Td> 65 -- 75 % </Td> <Td> amino acids , citrate , enzymes , flavins , fructose ( 2 -- 5 mg per mL semen , the main energy source of sperm cells , which rely entirely on sugars from the seminal plasma for energy ) , phosphorylcholine , prostaglandins ( involved in suppressing an immune response by the female against the foreign semen ) , proteins , vitamin C </Td> </Tr> <Tr> <Td> prostate </Td> <Td> 25 -- 30 % </Td> <Td> acid phosphatase , citric acid , fibrinolysin , prostate specific antigen , proteolytic enzymes , zinc ( the zinc level is about 135 ± 40 micrograms / ml for healthy men . Zinc serves to help to stabilize the DNA - containing chromatin in the sperm cells . A zinc deficiency may result in lowered fertility because of increased sperm fragility . Zinc deficiency can also adversely affect spermatogenesis . ) </Td> </Tr> <Tr> <Td> bulbourethral glands </Td> <Td> < 1 % </Td> <Td> galactose , mucus ( serve to increase the mobility of sperm cells in the vagina and cervix by creating a less viscous channel for the sperm cells to swim through , and preventing their diffusion out of the semen . Contributes to the cohesive jelly - like texture of semen . ) , pre-ejaculate , sialic acid </Td> </Tr> </Table>
<Table> <Tr> <Td> Gland ( s ) </Td> <Td> Approximate fraction </Td> <Td> Description </Td> </Tr> <Tr> <Td> testes </Td> <Td> 2 -- 5 % </Td> <Td> Approximately 200 - to 500 - million spermatozoa ( also called sperm or spermatozoans ) , produced in the testes , are released per ejaculation . If a man has undergone a vasectomy , he will have no sperm in the ejaculation . </Td> </Tr> <Tr> <Td> seminal vesicles </Td> <Td> 65 -- 75 % </Td> <Td> amino acids , citrate , enzymes , flavins , fructose ( 2 -- 5 mg per mL semen , the main energy source of sperm cells , which rely entirely on sugars from the seminal plasma for energy ) , phosphorylcholine , prostaglandins ( involved in suppressing an immune response by the female against the foreign semen ) , proteins , vitamin C </Td> </Tr> <Tr> <Td> prostate </Td> <Td> 25 -- 30 % </Td> <Td> acid phosphatase , citric acid , fibrinolysin , prostate specific antigen , proteolytic enzymes , zinc ( the zinc level is about 135 ± 40 micrograms / ml for healthy men . Zinc serves to help to stabilize the DNA - containing chromatin in the sperm cells . A zinc deficiency may result in lowered fertility because of increased sperm fragility . Zinc deficiency can also adversely affect spermatogenesis . ) </Td> </Tr> <Tr> <Td> bulbourethral glands </Td> <Td> < 1 % </Td> <Td> galactose , mucus ( serve to increase the mobility of sperm cells in the vagina and cervix by creating a less viscous channel for the sperm cells to swim through , and preventing their diffusion out of the semen . Contributes to the cohesive jelly - like texture of semen . ) , pre-ejaculate , sialic acid </Td> </Tr> </Table>
why does seminal fluid have a high content of ​ sugar
why does seminal fluid have a high content of ​ sugar
the main energy source of sperm cells , which rely entirely on sugars from the seminal plasma for energy ) , phosphorylcholine , prostaglandins ( involved in suppressing an immune response by the female against the foreign semen ) , proteins , vitamin C
the main energy source of sperm cells , which rely entirely on sugars from the seminal plasma for energy ) , phosphorylcholine , prostaglandins ( involved in suppressing an immune response by the female against the foreign semen ) , proteins , vitamin C