Crossword911.com crossword help

microsporangia

Examples

  • As cycads, members of the Cycas genus are dioecious, with male and female reproductive structures found on different plants. Hundreds of small pollen sacs called microsporangia are located on the undersides of the microsporophylls. — “Olympus FluoView Resource Center: Confocal Gallery - Cycas”,
  • Microsporangia definition, a sporangium containing microspores. See more. The pollen-producing male cones of a pine consist of many microsporangia, where the microspores of the pine develop into pollen grains to be. — “Microsporangia | Define Microsporangia at ”,
  • microsporangia. See microsporangium. — “microsporangia”,
  • This is a section of a Zamia cone showing the microsporangia. We often calle the male gametophytes pollen grains, so these sacs are also called pollen. — “Microsporangia”, homepage.smc.edu
  • [[Image:Mature sporangium of a Mucor sp. fungus PHIL 3960 lores.jpg|thumb|200px|Mature sporangium of a Mucor mold]][[Image:XN Polytrichum spec.jpg 'Microsporangia' are the structures on the stamens of flower s called anther s, and the pollen-producing structures on the 'microsporophylls' of male. — “ - About Sporangium”,
  • Accordingly, strobili bear megasporophylls that contain megasporangia, which will produce megaspores, and microsporophylls that contain microsporangia, which will yield microspores. pollen in terminal saclike structures (microsporangia) called anthers. — “microsporangium (plant anatomy) -- Britannica Online Encyclopedia”,
  • Microsporangia are notable in spikemosses, and a minority of ferns. In Gymnosperms and Angiosperms (Flowering plants), the microsporangium produce the microsporocyte, also known as the microspore mother cell, which then creates four microspores through meiosis. — “Microsporangia - Wikipedia, the free encyclopedia”,
  • In botany, the theca of an angiosperm consists a pair of microsporangia that are adjacent to each other and share a common area of dehiscence called In botany, the theca of an angiosperm consists a pair of microsporangia that are adjacent to each other and share a common area of dehiscence called. — “Theca facts - Freebase”,
  • The embryo sac develops from the megaspore through three rounds of mitotic divisions. The cell closest to the micropyle opening of the integuments differentiates into the egg cell, with two synergid cells by its side that may be involved in the. — “In flowering plants one megaspore gives rise to _ nuclei.?”,
  • Definition of microsporangia in the Online Dictionary. Meaning of microsporangia. Pronunciation of microsporangia. Translations of microsporangia. microsporangia synonyms, microsporangia antonyms. Information about microsporangia in the free. — “microsporangia - definition of microsporangia by the Free”,
  • The lily family Liliaceae is comprised of more than 250 genera and about 4,000 species of mostly herbaceous flowering plants, but the name lily is most frequently applied to the 80 - 100 species belonging to the genus Lilium. bilobed, and each lobe contains two structures called microsporangia. — “Nikon MicroscopyU | Digital Image Galleries | SMZ1500”,
  • Microsporangia are the structures on the stamens of flowers called anthers, and the pollen-producing structures on the microsporophylls of male conifer cones. Megasporangia are the comparable "female" structures on these plants, associated with the flower carpel and the megasporangial cone. — “Sporangium - Definition”,
  • Microsporangia. Structures of the sporophyte in which microspores are produced by meiosis. In flowering plants the microsporangia are known as anther sacs. — “Microsporangia”, .lb
  • sporangium n. , pl. , -gia . A single-celled or many-celled structure in which spores are produced, as in fungi, algae, mosses, and ferns Microsporangia are the structures on the stamens of flowers called anthers, and the pollen-producing structures on the microsporophylls of male. — “sporangium: Definition from ”,
  • BSA Plant Images Online - Cycas (microsporangia) Cycas (microsporangia) Copyright © The Botanical Society of America. PO Box 299, St. Louis, MO 63166-0299 · Voice: 314-577-9566 · FAX: 314-577-9515 · Email: bsa-manager@ · SITE MAP. Web support & hosting services by:. — “Plant Science Educational Outreach - Botanical Society of America”,
  • Definition of microsporangia from Webster's New World College Dictionary. Meaning of microsporangia. Pronunciation of microsporangia. Definition of the word microsporangia. Origin of the word microsporangia. — “microsporangia - Definition of microsporangia at”,
  • The sporangia which produce microspores are known as microsporangia, and the sporangia which produce megaspores are called megasporangia. microstrobilus in section showing the microsporophylls and the microsporangia. — “2153template”, kentsimmons.uwinnipeg.ca
  • Definition of microsporangium from The American Heritage Science Dictionary. The pollen-producing male cones of a pine consist of many microsporangia, where the microspores of the pine develop into pollen grains to be. — “microsporangium - Science Definition”,
  • The development of the microsporangia and the contained haploid gametophytes, (called pollen grains) is closely comparable with that of the microsporangia in gymnosperms or heterosporous ferns. feminine of antheros "flowery," from anthos "flower"), and pollen sacs, called microsporangia. — “Anthers”,
  • Encyclopedia article about microsporangia. Information about microsporangia in the Columbia Encyclopedia, Computer Desktop Encyclopedia, computing dictionary. — “microsporangia definition of microsporangia in the Free”, encyclopedia2
  • The reproductive structures, seeds (fertilized ovules) and microsporangia, are produced in cones (strobili) At the end of this period of development the microsporangia split open, releasing the pollen grain. — “Introductory Biology: Lab 8 for 71.125 - Life Cycle of Pinus”, umanitoba.ca

Videos

  • Biology 1B - Lecture 33: Angiosperm pollination, dispersal a General Biology
  • Ginkgo ovules (seeds) Spring 2009: Ovules (seeds) on male Ginkgo tree with female branch. This tree was planted in 1785 from seed taken from Deshima by Carl-Peter Thunberg. Video taken in Hortus Botanicus Leiden - the Netherlands. April 25th, 2009. More info on my website The Ginkgo Pages: www.xs4
  • Biology 1B - Lecture 40: Review General Biology
  • Biology 1B - Lecture 34: Introduction to plant morphology an General Biology
  • Biology 1B - Lecture 32: Angiosperm life cycle and diversity General Biology
  • Biology 1B - Lecture 31: Gymnosperm diversity and reproducti General Biology