spermatozoon entry

См. также в других словарях:

• fertilization — fertilizational, adj. /ferr tl euh zay sheuhn/, n. 1. an act, process, or instance of fertilizing. 2. the state of being fertilized. 3. Biol. a. the union of male and female gametic nuclei. b. fecundation or impregnation of animals or plants. 4.… …   Universalium

• acrosome — A caplike organelle or saccule derived from the golgi that surrounds the anterior two thirds of the nucleus of a sperm cell. Within this cap are enzymes that are thought to facilitate entry of the sperm through the zona pellucida. [acro + G. soma …   Medical dictionary

• HIV — Classification and external resources Diagram of HIV …   Wikipedia

• Fertilisation — This article is about fertilisation in animals and plants. For fertilisation in humans specifically, see Human fertilization. For Soil improvement, see Fertiliser. Conceive redirects here. For the health magazine, see Conceive magazine. For… …   Wikipedia

• Nucleus — 1) In cell biology, the structure that houses the chromosomes. 2) In neuroanatomy, a group of nerve cells. * * * 1. In cytology, typically a rounded or oval mass of protoplasm within the cytoplasm of a plant or animal cell; it is surrounded by a… …   Medical dictionary

• monospermy — Fertilization by the entrance of only one spermatozoon into the egg. [mono + G. sperma, seed] * * * mono·sper·my män ō .spər mē n, pl mies the entry of a single fertilizing sperm into an egg compare DISPERMY …   Medical dictionary

• sex cell — noun a spermatozoon or an ovum; a cell responsible for transmitting DNA to the next generation • Syn: ↑reproductive cell, ↑germ cell • Hypernyms: ↑cell • Hyponyms: ↑gamete • Part Holonyms: ↑ …   Useful english dictionary

• sperm cell — noun the male reproductive cell; the male gamete a sperm is mostly a nucleus surrounded by little other cellular material • Syn: ↑sperm, ↑spermatozoon, ↑spermatozoan • Derivationally related forms: ↑spermatic (for: ↑ …   Useful english dictionary

• spermatozoan — noun the male reproductive cell; the male gamete a sperm is mostly a nucleus surrounded by little other cellular material • Syn: ↑sperm, ↑sperm cell, ↑spermatozoon • Derivationally related forms: ↑spermatic (for: ↑ …   Useful english dictionary

• monospermy — ˈ ̷ ̷ ̷ ̷ˌspərmē noun ( es) Etymology: International Scientific Vocabulary mon + spermy : the entry of a single fertilizing sperm into an egg compare dispermy, polyspermy * * * monospermic, adj …   Useful english dictionary

• zoosperm — ˈzōə+ˌ noun Etymology: International Scientific Vocabulary zo + sperm 1. : spermatozoid, spermatozoon 2. : zoospore * * * zoospermatic …   Useful english dictionary