- micropyle apparatus
-
(ARTHROPODA: Insecta)Raised structures around the micropyle of an egg.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
micropyle apparatus
Look at other dictionaries:
plant development — Introduction a multiphasic process in which two distinct forms succeed each other in alternating generations. One form, created by the union of sexual cells (gametes (gamete)), contains two sets of similar chromosomes (diploid). At sexual… … Universalium
reproductive system, plant — Introduction any of the systems, sexual or asexual, by which plants reproduce. In plants, as in animals, the end result of reproduction is the continuation of a given species, and the ability to reproduce is, therefore, rather conservative … Universalium
angiosperm — /an jee euh sperrm /, n. Bot. a plant having its seeds enclosed in an ovary; a flowering plant. Cf. gymnosperm. [ANGIO + SPERM] * * * ▪ plant Introduction any member of the more than 300,000 species of flowering plants (division Anthophyta) … Universalium
Megagametogenesis — is the development of a megaspore into an embryo sac, which is the gametophyte though a highly reduced one stage in the life cycle of vascular plants. Contents 1 Eudicots 2 Monocots 3 See also 4 … Wikipedia
Glossary of botanical terms — Many of the terms used in Wikipedia glossaries (often most) are already defined and explained within Wikipedia itself. However, lists like the following indicate where new articles need to be written and are also useful for looking up and… … Wikipedia
Flowering plant — Flowering plants Temporal range: Early Cretaceous Recent … Wikipedia
Gynoecium — A gynoecium (from Ancient Greek gyne , woman ) is the female reproductive part of a flower. The male counterpart is called an androecium . A gynoecium is composed of one or more pistils. A pistil may consist of a single free carpel, or be formed… … Wikipedia
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
