Definition of Microsporangium. Meaning of Microsporangium. Synonyms of Microsporangium

Here you will find one or more explanations in English for the word Microsporangium. Also in the bottom left of the page several parts of wikipedia pages related to the word Microsporangium and, of course, Microsporangium synonyms and on the right images related to the word Microsporangium.

Definition of Microsporangium

Microsporangium
Microsporangium Mi`cro*spo*ran"gi*um, n. [NL. See Micro-, and Sporangium.] (Bot.) A sporangium or conceptacle containing only very minute spores. Cf. Macrosporangium.

Meaning of Microsporangium from wikipedia

- Microsporangia are sporangia that produce microspores that give rise to male gametophytes when they germinate. Microsporangia occur in all vascular plants...
- side of the anther. A pollen grain develops from a microspore in the microsporangium and contains the male gametophyte. The stamens in a flower are collectively...
- the stigma of another flower on the same flowering plant, or from microsporangium to ovule within a single (monoecious) gymnosperm. Some plants have...
- [citation needed] Pollen is also produced by meiosis in the male anther (microsporangium). During meiosis, a diploid microspore mother cell undergoes two successive...
- separate sporangia, either a megasporangium that produces megaspores or a microsporangium that produces microspores. In flowering plants, these sporangia occur...
- germination of the pollen grain may begin even before it leaves the microsporangium, with the generative cell forming the two sperm cells. Except in the...
- microsporangia, or pollen sacs, of the anthers on the stamens. Each microsporangium contains diploid microspore mother cells, or microsporocytes. Each...
- produces one or more microsporangia. Microspores develop within the microsporangium by meiosis. In a willow (like all seed plants) the zygote first develops...
- which provides nutrition for growing spores . The innermost wall of microsporangium Tapetum lucidum, a reflective tissue layer ****ociated with the retina...
- spores (microspores) are extremely small and are produced inside each microsporangium. Microspores tend to adhere in clumps called m****ulae. Female sporocarps...
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