Opposite of a patrilineal descent system is a matrilineal descent system, or a system of descent in which an individual's kin membership is traced through women.Again oversimplifying with some alliteration, it's one in which family descent is traced through the mamas!pposite of a patrilineal descent system is a matrilineal descent system, or a system of descent in which an individual's kin membership is traced through women. Again oversimplifying with some alliteration, it's one in which family descent is traced through the mamas!
Urethra: The urethra is the tube that carries urine from the bladder to outside of the body. In males, it has the additional function of ejaculating semen when the man reaches orgasm.When the penis is erect during sex, the flow of urine is blocked from the urethra, allowing only semen to be ejaculated at orgasm.rethra: The urethra is the tube that carries urine from the bladder to outside of the body. In males, it has the additional function of ejaculating semen when the man reaches orgasm.
Answer by Ktawso2011. Confidence votes 124. If you are talking about Ureters and the Urethra of the urinary system, the ureters are the ducts that carry urine from the kidneys to the bladder. The urethra on the other hand is a tube that carries urine from the urinary bladder to the outside of the body.In addition to this ureters are two in number and there is only one urethra. the urethra in males has two functions; for ejaculation of sperm to the female vagina and also used for the urination/urine outlet.oth carry urine to other places, as the ureter carries urine from  the kidneys to the urinary bladder and the urethra carries urine  from the bladder to the outside of the â¦ body. 1 person found this useful.