Journal of Pediatric Neurological Disorders

Sporangia And Gametangia L

 A sporangium is an enclosure during which spores are formed. It are often composed of one cell or are often multicellular. All plants, fungi, and lots of other lineages form sporangia at some point in their life cycle. A sporangium may be a structure in certain plants and other organisms that's charged with making and storing spores. Spores are haploid structures created in organisms that help to germinate and form new organisms. All plants, fungi, and lots of other lineages form sporangia at some point in their life cycle. Sporangia can produce spores by mitosis, but in nearly all land plants and lots of fungi, sporangia are the location of meiosis and produce genetically distinct haploid spores. A gametangium is an organ or cell during which gametes are produced that's found in many multicellular protists, algae, fungi, and therefore the gametophytes of plants. In contrast to gametogenesis in animals, a gametangium may be a haploid structure and formation of gametes doesn't involve meiosis. Gametangia in the Seedless Plants. Gametangia (singular, gametangium) are structures on the gametophytes of seedless plants during which gametes are produced by mitosis. The male gametangium, the antheridium, releases sperm. The most modern land plants, the flowering plants, don't have gametangia. Gametangia, multicellular organs that produce gametes. Shown below are the Archegonium (egg-producing organ) of Marchantia (left), and therefore the Antheridium (sperm-producing organ) of a hornwort (right).    

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