Male reproductive system (human) — This article is about the human male reproductive system. For the male reproductive systems of other organisms, see Sexual reproduction. Male reproductive system (human) Drawing of the Male Internal Sexual Anatomy Latin … Wikipedia
copulatory chamber — (ANNELIDA: Oligochaeta) An invagination containing the male pore that reaches through the body wall into the coelom; bursa copulatrix; copulatory pouch … Dictionary of invertebrate zoology
copulatory limb(s) — (Class Ostracoda): Male limbs modified for copulation, at least in most Myodocopa, usually the 8th limb pair. See: hemipenes [Cohen, Peterson, and Maddocks, in press] … Crustacea glossary
adanal copulatory papillae — (NEMATA) Male adanal supplements, glandular or sensory … Dictionary of invertebrate zoology
penis — male copulatory organ, e.g. in Bythitidae, although intromittent organ is to be preferred … Dictionary of ichthyology
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
penis — A papilla on the coxa of the fifth pereiopod or sternite of the male denoting the opening of the genital duct [Ingle, 1983]. Male copulatory organ. (May be exceptionally long in some cirripeds.) [Moore and McCormick, 1969]. Male copulatory organ; … Crustacea glossary
Sexually dimorphic nucleus — (SDN) is a cluster of cells located in the preoptic area of hypothalamus of the brain that is believed to be related to sexual behavior in animals. The volume of SDN is significantly larger (about twice) in males than in females, caused mainly by … Wikipedia
reptile — reptilelike, adj. reptiloid /rep tl oyd /, adj. /rep til, tuyl/, n. 1. any cold blooded vertebrate of the class Reptilia, comprising the turtles, snakes, lizards, crocodilians, amphisbaenians, tuatara, and various extinct members including the… … Universalium
reproductive behaviour — In animals, any activity directed toward perpetuation of a species. Sexual reproduction, the most common mode, occurs when a female s egg is fertilized by a male s sperm. The resulting unique combination of genes produces genetic variety that… … Universalium