sperm plug

sperm plug
A structure plugging the opercula and distal part of each genital duct of female crabs to prevent loss of sperm after copulation [Ingle, 1983].

Crustacea glossary. . 2011.

Игры ⚽ Нужен реферат?

Look at other dictionaries:

  • Sperm competition — is competition between sperm of two or more males for the fertilization of an ovum (Parker 1970). Sperm competition is often compared to having tickets in a raffle; a male has a better chance of winning (i.e. fathering offspring) the more tickets …   Wikipedia

  • Mating plug — A mating plug in a female Richardson s ground squirrel (Spermophilus richardsonii) A mating plug, also known as a copulation plug, sperm plug, vaginal plug, or sphragis, is gelatinous secretion used in the mating of some species. It is deposited… …   Wikipedia

  • mating plug — (ARTHROPODA: Insecta) A plug formed from the accessory gland secretions of the male, deposited in the genital chamber of the female, thought to prevent loss of sperm in some Culicidae and Lepidoptera; also called spermatophragma; see sphragis …   Dictionary of invertebrate zoology

  • vaginal plug — a plug that forms in the vaginas of animals, especially rodents, after coitus; it consists of a mass of coagulated sperm and mucus; called also copulation p …   Medical dictionary

  • Carcinus Maenas — Crabe enragé …   Wikipédia en Français

  • Carcinus maenas — Crabe enragé …   Wikipédia en Français

  • Crabe vert — Carcinus maenas Crabe enragé …   Wikipédia en Français

  • Carcinus maenas — Crabe enragé Carcinus maenas …   Wikipédia en Français

  • reproductive system, animal — Introduction       any of the organ systems by which animals reproduce.       The role of reproduction is to provide for the continued existence of a species; it is the process by which living organisms duplicate themselves. Animals compete with… …   Universalium

  • Vasectomy — Diagram showing the usual location of a vasectomy. Background Birth control type Sterilization First use 1899 (experiments fro …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”