What is the work of accessory gland in cockraoch's cockraoch's reproductive system???
Answers
Male Reproductive System of Cockroach/Grasshopper
Male Cockroach: Antennae are longer than body and third segment shorter than second. Mesosternum is partly divided and ninth sternum is visible. Abdomen is narrow and a seventh sternum undivided. A pair of anal styles (clasper) is present.
The Male Reproductive Organs:
i. Testes: They are a pair of faintly whitish gonads each is termed testis, which occupies dorsolateral abdominal segments. Each testis consists of 30-40 small rounded vesicles (sperm-tubes) the testicular follicles in three or four groups but arranged in a longitudinal series.
ii Vasa deferentia: These are a pair of ducts each is termed was deferens and arise from the testis as very thin whitish tubes, they continue posterioventrally beneath the rectum. They unite at a short distance into the ejaculatory duct.
iii. Vesicula seminalis: Spermatozoa on their way to ejaculatory duct are retained for sometime.
iv. Ejaculatory duct: It is a common duct, of vasa deferentia and leads backwards to the phallus.
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