Paragaster see spongocoel

paragastrula n. [Gr. para, beside; dim. gaster, stomach] (PO-rif) The gastrula formed by invagination of the flagellate cells of a amphiblastula.

parageneon n. [Gr. para, beside; genos, descent] A little-changing species that embraces some aberrant genotypes.

paragenetic a. [Gr. para, beside; genesis, descent] A chromosome change that influences the expression of a gene but not structure.

paraglossa n.; pl. -ae [Gr. para, beside; glossa, tongue] (AR-THRO: Insecta) One of a pair of terminal lingular lobes of the labium that arise distal to the postmentum.

paragnath n.; pl. -naths [Gr. para, beside; gnathos, jaw] 1. Any part or structure that lies alongside a jaw or palp. 2. (ANN: Polychaeta) One of a pair of chitinous jaws. 3. (AR-THRO: Crustacea) One of a pair of metastomal lobes. see endognath. 4. (ARTHRO: Insecta) see superlinguae.

paragula n. [Gr. para, beside; gula, throat] (ARTHRO: Insecta) In some Coleoptera larvae, a paired, elongate sclerite on either side of the gula.

parahemizonid n. [Gr. para, beside; hemisys, half; L. zona, girdle] (NEMATA: Secernentea) A hemizonion or other similar structure.

paralabial areas (ARTHRO: Insecta) In aquatic Diptera larvae that possess a labial plate, a pair of areas lateral to the base of the labial plate.

paralectotype n. [Gr. para, beside; lektos, choose; typos, type] Any of the remaining syntypes after the selection of a lectotype.

paralimnion n. [Gr. para, beside; limne, pond] The shore area of lakes.

parallel mandibles (ARTHRO: Insecta) In Diptera larva, parallel mouth-hooks that move dorsoventrally.

paramentum n. [Gr. para, beside; L. mentum, chin] (ARTHRO: Insecta) In Coleoptera, paired, usually elongate, sclerite on either side of the mentum.

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