holopneustic a. [Gr. holos, whole; pneustikos, of breathing] Having 10 functional spiracles. see polypneustic.
holoptic a. [Gr. holos, whole; optikos, eye] (ARTHRO: Insecta) Having eyes dorsally contiguous along the midline. see di-choptic.
holosericeous a. [Gr. holos, whole; serikos, silken] Covered with minute silky or shiny hair-like structures.
holostomatous a. [Gr. holos, whole; stoma, mouth] (MOLL: Gastropoda) Having the mouth of the shell rounded or entire, uninterrupted by siphonal canal, notch, or by other extension. holostomate n.
holotaxy n. [Gr. holos, whole; taxis, arrangement] The presence of all the organs or structures typically present in a particular organism.
Holothuroidea, holothuriids n., n.pl. [Gr. holothurion, sea-cucumber] Soft bodied, bottom-dwelling echinoderms, living mostly in sand and mud where they lie buried, with their tentacles sticking up into clearer water.
holotrichous isorhiza (CNID: Hydrozoa) A nematocyst with tubes spiney throughout. see atrichous isorhiza, basi-trichous isorhiza.
holotrichy n. [Gr. holos, whole; trichos, hair] Pertaining to invertebrates possessing all of the setae normally present in their natural group. see hypertrichy.
holotype n. [Gr. holos, whole; typos, type] The single speci men designated or indicated as the type specimen by the original author at the time of original publication of a species.
holozoic a. [Gr. holos, whole; zoon, animal] Obtaining organic food materials by active ingestion of organisms or particles.
holozygote n. [Gr. holos, whole; zygos, yolked] Zygote.
homelytra n. [Gr. homos, same; elytron, cover] Elytra similar or equal to each other.
homeoacanthous armature (PLATY: Cestoda) Homeomor-phous hooks in spirals or in quincunxes on the tentacles.
homeochilidium, homoeochilidium n. [Gr. homoios, like; dim. cheilos, lip] (BRACHIO) An external triangular plate that closes most or only the apical part of the notothyrium.
homeochronous, homoechronous a. [Gr. homoios, like; chronos, time] Variation occurring at the same age in offspring as in the parent.
homeodeltidium, homoeodeltidium n. [Gr. homoios, like; 4th letter, delta; dim. thyrion, door] (BRACHIO) A convex triangular plate closing most or only the apical part of the delthyrium.
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