Pseudosternite see epiphallus

pseudostigmatic organ (ARTHRO: Chelicerata) In Acari, one of two organs of sensory setae, various in shape, arising from a cupule or pit located on the cephalothorax of Oribatida; thought to detect air movements and thus avoid desiccation.

pseudostoma n. [Gr. pseudos, false; stoma, mouth] A mouthlike opening.

pseudosymmetry n. [Gr. pseudos, false; symmetria, due proportion] Approximate symmetry of a structure divided by a plane that divides the structure into halves that are less than symmetrical.

pseudosymphile n. [Gr. pseudos, false; syn-, together; philein, to love] (ARTHRO: Insecta) In social insects, a predator or parasite gaining nourishment from the trophal-lactic secretions of the host larvae.

pseudotagma n. [Gr. pseudos, false; tagma, a division] (ar-THRO: Chelicerata) In Acari, a region of a body division, such as gnathosoma, idiosoma, proterosoma and hystero-soma.

pseudotaxodont a. [Gr. pseudos, false; taxis, arrangement; odon, tooth] (MOLL: Bivalvia) With numerous irregular short teeth transverse to the hinge, but are not related to cteno-dont or pseudoctenodont forms.

pseudotela n.; pl. -ae [Gr. pseudos, false; tela, end] (BRACHIO) One of a pair of external projections of the shell near the pedicle (not beak ridges).

pseudotetramerous a. [Gr. pseudos, false; tetra, four; meros, part] Appearing as having 4 joints, where there are actually 5.

pseudotrachea n. [Gr. pseudos, false; tracheia, windpipe] 1. A trachea-like structure. 2. (ARTHRO: Crustacea) In terrestrial Isopoda, a respiratory structure developed in the pleo-pods for air-breathing. 3. (ARTHRO: Insecta) In Diptera, small, specialized channels of the labellum that open to the exterior of the oral lobes and pass liquid food to the food canal.

pseudotrimerous a. [Gr. pseudos, false; treis, three; meros, part] Appearing as 3 jointed, when actually having 4 joints or segments.

pseudotroch n. [Gr. pseudos, false; trochos, wheel] (ROTIF) An enlarged arc of stiff cirri in the supra-oral region of the buccal field.

pseudovarium n. [Gr. pseudos, false; L. ovarium, ovary] An ovary producing pseudova. see pseudovum.

pseudovelum n. [Gr. pseudos, false; L. velum, veil] (CNID: Scyphozoa) A narrow shelf-like flange with no muscules and nerves projecting inward from the margin of the bell.

pseudovesicles n. [Gr. pseudos, false; L. vesicula, little bladder) (ANN: Oligochaeta) Structures, serially homologous with seminal vesicles, on the posterior faces of 12/13 or 13/14.

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