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A sex organ, also known as a reproductive organ, is a part of an organism that is involved in sexual reproduction. Sex organs constitute the primary sex characteristics of an organism. Sex organs are responsible for producing and transporting gametes , as well as facilitating fertilization and supporting the development and birth of offspring.
Sperm storage organs in the fruit fly Drosophila melanogaster.Female was first mated with GFP-male and then re-mated with RFP-male. Female sperm storage is a biological process and often a type of sexual selection in which sperm cells transferred to a female during mating are temporarily retained within a specific part of the reproductive tract before the oocyte, or egg, is fertilized.
The mammalian male reproductive system contains two main divisions, the penis and the testicles, the latter of which are where sperm are produced and usually held in a scrotum. [5] In humans, both of these organs are outside the abdominal cavity , but they can be primarily housed within the abdomen in other animals.
The reproductive system of an organism, also known as the genital system, is the biological system made up of all the anatomical organs involved in sexual reproduction. Many non-living substances such as fluids, hormones , and pheromones are also important accessories to the reproductive system. [ 1 ]
Animal male reproductive system (4 C, 7 P) M. Mammal reproductive system (3 C, 12 P) O. Orgasm (2 C, 38 P) P. Puberty (5 C, 22 P) S. Secondary sexual characteristics ...
A gonad, sex gland, or reproductive gland [1] is a mixed gland and sex organ that produces the gametes and sex hormones of an organism. Female reproductive cells are egg cells, and male reproductive cells are sperm. [2] The male gonad, the testicle, produces sperm in the form of spermatozoa. The female gonad, the ovary, produces egg cells.
The Comparative anatomy of the domesticated animals. D. Appleton & Company. pp. 869 penile sheath OR penis sheath OR preputial sheath OR prepuce. Richard Doty (1 January 1976). Mammalian Olfaction, Reproductive Processes, and Behavior. Elsevier Science. pp. 126–. ISBN 978-0-323-15450-5
The reproductive system of gastropods (slugs and snails) varies greatly from one group to another within this very large and diverse taxonomic class of animals. Their reproductive strategies also vary greatly. In many marine gastropods, there are separate sexes (male and female); most terrestrial gastropods however are hermaphrodites. [citation ...