• WordNet 3.6
    • n paraphysis a sterile simple or branched filament or hair borne among sporangia; may be pointed or clubbed
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Webster's Revised Unabridged Dictionary
    • n Paraphysis (Bot) A minute jointed filament growing among the archegonia and antheridia of mosses, or with the spore cases, etc., of other flowerless plants.
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Century Dictionary and Cyclopedia
    • n paraphysis An erect, usuallycolorless,sterile, unicellular or pluricellular filament or plate accompanying the spore-bearing or sexual organs of cryptogamous plants. In Fungi they occur with asci or basidia in the hymenium, and are also called cystides; in mosses, with the antheridia and archegonia; in ferns, with the sporangia in a sorus. Their function is doubtful, but in some cases they may assist in the discharge of spores. See also cuts under antheridium, conceptacle, and moss. Also periphysis.
    • n paraphysis An outgrowth of the roof of the fore-brain, developed in front of the epiphysis, in the hinder region of the prosencephalon.
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Chambers's Twentieth Century Dictionary
    • n Paraphysis pa-raf′i-sis an erect sterile filament accompanying the sexual organs of some cryptogamous plants
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Webster's Revised Unabridged Dictionary
NL., fr. Gr. para` beside + growth


In literature:

Paraphysis: the chitinized thickenings or lateral ingrowths, usually situated at the base of the lobes in certain Diaspid genera.
"Explanation of Terms Used in Entomology" by John. B. Smith
The morphological significance of the paraphysis is uncertain.
"Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 3" by Various