FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term cell wall ID (Ontology) GO:0005618 (Gene Ontology)
Definition The rigid or semi-rigid envelope lying outside the cell membrane of plant, fungal, most prokaryotic cells and some protozoan parasites, maintaining their shape and protecting them from osmotic lysis. In plants it is made of cellulose and, often, lignin; in fungi it is composed largely of polysaccharides; in bacteria it is composed of peptidoglycan; in protozoan parasites such as Giardia species, it's made of carbohydrates and proteins.[ ISBN:0198547684 PubMed:15134259 ]
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  cellular anatomical structure
   |__external encapsulating structure
       |__cell wall
           |__cyst wall
           |__fungal-type cell wall
           |   |__ascospore wall
           |   |__hyphal cell wall
           |   |__yeast-form cell wall
           |__peptidoglycan-based cell wall
           |   |__Gram-negative-bacterium-type cell wall
           |   |__Gram-positive-bacterium-type cell wall
           |__plant-type cell wall
           |   |__primary cell wall
           |   |__secondary cell wall
           |__spore wall
               |__ascospore wall
               |__asexual spore wall
               |__endospore external encapsulating structure
               |__sexual spore wall
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Wikipedia:Cell_wall