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Related to endospore: exospore


1. The inner layer of the wall of a spore.
2. An asexual spore developed within a cell, as that formed by some bacteria.


1. (Botany) a small asexual spore produced by some bacteria and algae
2. (Botany) the innermost wall of a spore or pollen grain
endosporous adj


(ˈɛn dəˌspɔr, -ˌspoʊr)

1. the inner coat of a spore. Compare intine.
2. a spore formed within a cell of a rod-shaped organism.
en•dos′por•ous (ɛnˈdɒs pər əs) adj.
en•dos′por•ous•ly, adv.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.endospore - a small asexual spore that develops inside the cell of some bacteria and algae
spore - a small usually single-celled asexual reproductive body produced by many nonflowering plants and fungi and some bacteria and protozoans and that are capable of developing into a new individual without sexual fusion; "a sexual spore is formed after the fusion of gametes"
References in periodicals archive ?
Member of the genus Bacillus (and the newly created genera for aerobic endospore formers).
The contaminated instrument deposits the endospore in the subcutaneous tissue during the laparoscopic procedure, which then germinates, followed by the appearance of symptoms after an incubation period of 3-4 weeks.
Each endospore is capable of producing additional spherules.
The different staining techniques performed for the characterisation of the isolated bacteria includes Gram's staining, Capsule staining and Endospore staining.
Bacterial isolates were observed for colony morphology including shape of bacterial colonies, colour of bacterial colonies, texture of colonies and studied microscopically by gram's staining, endospore staining and motility test.
2] utilization Anaerobic facultative Gram - Endospore - Catalase + Nitrate + Hydrolysis Arginine + Descarboxilation Ornithine - Oxidase + Gelatinase + Assimilation of amino acids as carbon sources L-proline + L-alanine + L-histidine + Dl-lactate + Assimilation of fatty acids as carbon sources Sodium acetate + Gluconic + Propionic - Heptanoic - Aspartic acid - Assimilation of sugars and derivatives as carbon sources D-mannitol + Trehalose + Maltotriose + N-acetyl-glucosamine + Myo-inositol + Maltose + D-mannose + D-galactose + Sucrose + Glucose + Arabinose - D-xylose - Acid assimilation of [beta]-hydroxy [beta]-methyl butyrate (HMB) Assimilation of carboxylic acids as carbon sources Azelaic - Sebacic - Suberic - Adipic - Citric - Poritaconic - Urease - Triple-agar sugar iron + Table 3.
Morphological study revealed large, gram-positive rod having cylindrical endospore, arranged in single and short chains identified as Bacillus species.
The anthrax bacterium normally rests in endospore form in the soil, and can survive for decades in this state.
Morphology of cells of pure cultures of isolates was observed microscopically (1000x) at 6 h-48 h, after inoculating into broth followed by Gram staining, capsule staining (Maneval's method), and endospore staining (Schaeffer and Fulton method) according to standard procedures [13].