Terminology

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spore: reproductive structure of fungi and some other organisms, containing one or more cells (or a bacterial cell modified to survive an adverse environment) (SEM of Botrytis cinerea)

spore: reproductive structure of fungi and some other organisms, containing one or more cells; a bacterial cell modified to survive an adverse environment (SEM of Botrytis cinerea)

teliospore: thick-walled resting spore produced by some fungi, notably rust and smut fungi, from which the basidium is produced (Puccinia teliospores)

Telia on wheat plants and Teliospores of Puccinia graminis f. Note dark color and thick cell walls.

stroma (pl. stromata): compact mass of mycelium (with or without host tissue) that supports fruiting bodies or in which fruiting bodies are embedded  (stromata of the ergot fungus, Claviceps purpurea, with numerous perithecia embedded in the head)

stromata): compact mass of mycelium (with or without host tissue) that supports fruiting bodies or in which fruiting bodies are embedded (stromata of the ergot fungus, Claviceps purpurea, with numerous perithecia embedded in the head)

sporangiophore: sporangium-bearing body of a fungus (SEM of Rhizopus stolonifer)

sporangia): saclike fungal structure in which the entire contents are converted into an indefinite number of asexual spores (SEM of Rhizopus stolonifer)

zygospore: sexual resting spore formed from the union of gametangia in the Zygomycetes (SEM of zygospore of Rhizopus stolonifer)

zygospore: sexual resting spore formed from the union of gametangia in the Zygomycetes (SEM of zygospore of Rhizopus stolonifer)

zoospore: fungal spore with flagella, capable of locomotion in water

zoospore: fungal spore with flagella, capable of locomotion in water

zoosporangium: sporangium, or spore case, that bears zoospores (Phytophthora gonapodyides)

zoosporangium: sporangium, or spore case, that bears zoospores (Phytophthora gonapodyides)

uredinium (also uredium; pl. uredinia): fruiting body (sorus) of rust fungi that produces urediniospores (left: uredinia of Puccinia graminia f. sp. tritici; right: SEM of single uredinium of Puccinia recondita)

uredinium (also uredium; uredinia): fruiting body (sorus) of rust fungi that produces urediniospores (left: uredinia of Puccinia graminia f. right: SEM of single uredinium of Puccinia recondita)

urediniospore (also urediospore, uredospore)  : the asexual, dikaryotic, often rusty-colored spore of a rust fungus, produced in a structure called a uredinium; the "repeating stage" of a heteroecious rust fungus, i.e. capable of infecting the host plant on which it is produced (Puccinia graminis)

urediniospore (also urediospore, uredospore) : the asexual, dikaryotic, often rusty-colored spore of a rust fungus, produced in a structure called a uredinium; the "repeating stage" of a heteroecious rust fungus, i.e. capable of infecting the host plant on which it is produced (Puccinia graminis)

tumor (syn. gall): abnormal swelling or localized outgrowth, often roughly spherical, produced by a plant as a result of attack by a fungus, bacterium, nematode, insect or other organism (crown gall caused by Agrobacterium tumefaciens on apple)

hyperplasia (adj. abnormal increase in the number of cells, often resulting in the formation of galls or tumors (crown gall caused by Agrobacterium tumefaciens on apple)

telium (pl. telia): fruiting body (sorus) of a rust fungus that produces teliospores (Puccinia telia)

telia): fruiting body (sorus) of a rust fungus that produces teliospores (Puccinia telia)

striate (n. striation): marked with delicate lines, grooves, or ridges (SEM of striate sporangiospores of Rhizopus stolonifer)

striate (n. striation): marked with delicate lines, grooves, or ridges (SEM of striate sporangiospores of Rhizopus stolonifer)

sterigma (pl. sterigmata): small, usually pointed projection that supports a spore (SEM)

sterigmata): small, usually pointed projection that supports a spore (SEM)

sporidium (pl. sporidia): basidiospore of rusts, smuts and other Basidiomycetes (SEM of the smut fungus, Ustilago utriculosa)

sporidia): basidiospore of rusts, smuts and other Basidiomycetes (SEM of the smut fungus, Ustilago utriculosa)

sporangium (pl. sporangia): saclike fungal structure in which the entire contents are converted into an indefinite number of asexual spores (SEM of Rhizopus stolonifer)

sporangia): saclike fungal structure in which the entire contents are converted into an indefinite number of asexual spores (SEM of Rhizopus stolonifer)

sporangiospore: non-motile, asexual spore that is borne in a sporangium (SEM of Rhizopus stolonifer)

sporangia): saclike fungal structure in which the entire contents are converted into an indefinite number of asexual spores (SEM of Rhizopus stolonifer)

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