labium
See: metastoma [Martin, 2005].
Flat, non-segmented, bilobed structure situated posterior to the oral opening. (Syn. paragnath, lower lip) [Holdich and Jones, 1983].
Paired, laminar mouth parts immediately posterior to the mandibles [Mauchline, 1984].
See: metastoma [McLaughlin, 1980].
(Order Cladocera):
Unpaired, median lip-like structure posterior to mouth. (with/without median keel). (Syn. lower lip, paragnath) [Stachowitsch, 1992].
(Order Cumacea):
Lobe-like structure posterior to mouth. Divided into two lobes. (See also labrum). (Syn. lower lip) [Stachowitsch, 1992].
(Order Tanaidacea):
Lobe-like structure posterior to mouth. Divided into two main lobes (para-gnaths) which may bear hairs, spines, or comb-like rows of short setae, (with/without palp). (Syn. lower lip, hypopharynx) [Stachowitsch, 1992].
(Order Decapoda):
Lip-like structure posterior to mouth on underside of head; symmetrically bilobed, each lobe being termed paragnath. (paragnath: oval, distally attenuated, sinuous). (Syn. metastome, hypostoma, hypostome, hypopharynx, paragnath) [Stachowitsch, 1992].
(Order Amphipoda):
Lobe-like structure posterior to mouth. Typically divided into two lobes (paragnaths), each of which may be further subdivided into a large section (outer lobe), a median inner lobe, and a posterolateral extension (mandibular lobe). (Syn. lower lip) [Stachowitsch, 1992].
(Order Isopoda):
Lobe-like structure posterior to mouth. Typically divided into two lobes (paragnaths). (Syn. lower lip, hpopharynx, posterior lip) [Stachowitsch, 1992].
(Order Isopoda):
Lower lip; usually consisting of a pair of lobes posterior to the mouth [Kensley and Schotte, 1989].
()
Schematic representation of an isopod illustrating morphological terms. [Kensley and Schotte, 1989]
(Order Isopoda):
The posterior border of the buccal field; the "lower lip" (see paragnath) [Wetzer et al. 1997].
(Order Mysida):
Lobe-like structure posterior to mouth. Divided into two welldeveloped lobes (paragnaths). (Syn. lower lip) [Stachowitsch, 1992].
(Order Stomatopoda):
Lip-like structure posterior to mouth and mandibles on underside of head (cephalon); bulbous and bilobed, each fringed lobe being termed paragnath. (Syn. lower lip) [Stachowitsch, 1992].
(Order Leptostraca):
Lobe-like structure posterior to mouth; divided into two lobes (paragnaths). (Syn. lower lip) [Stachowitsch, 1992].
(Subclass Branchiura):
Lower lip, paragnath [Stachowitsch, 1992].
(Subclass Copepoda):
Lip-like structure posterior to mouth on underside of head; bilobed, each lobe being termed paragnath. May be drawn out, along with upper lip (labrum), into cone-like structure (mouth cone). (Syn. lower lip) [Stachowitsch, 1992].
(Subclass Copepoda):
The lower lip; a median lobe derived from the fusion of the paragnaths, forming the posterior wall of the oral cone in siphonostomatoids [Boxshall and Halsey, 2004].
(Class Ostracoda):
Lip-like structure posterior to mouth on underside of head. May be bilobed, each lobe being termed paragnath. (Syn. lower lip, hypostome) [Stachowitsch, 1992].
(Superorder Syncarida):
Paragnath [Stachowitsch, 1992].
(Order Thermosbaenacea):
Lobe-like structure posterior to mouth; relatively elongate, with terminal spines or setae. (See also labium). (Syn. lower lip) [Stachowitsch, 1992].
(Order Euphausiacea):
Lobe-like structure posterior to mouth; divided into two lobes (paragnaths). (Syn. lower lip) [Stachowitsch, 1992].

Crustacea glossary. . 2011.

Look at other dictionaries:

  • labium — [ labjɔm ] n. m. • 1946; mot lat. « lèvre » ♦ Didact. Pièce inférieure de l appareil buccal des insectes (⇒ labre). ● labium nom masculin (latin labium, lèvre) Pièce impaire inférieure de l appareil buccal des insectes, souvent munie de palpes… …   Encyclopédie Universelle

  • labium — LÁBIUM s.n. Buza inferioară a insectelor şi a unor miriapode. [pr.: bi um. – var. lábiu s.n.] – Din fr. labium. Trimis de LauraGellner, 16.05.2004. Sursa: DEX 98  LÁBIUM s. (anat.) buză inferioară. (labium la insecte.) Trimis de siveco,… …   Dicționar Român

  • Labium — is the Latin word for lip. In English, it may refer to: *Labium (genitalia), a part of the female external genitalia (singular of labia in human anatomy) *Labium (insect), a |mouthpart of insects (the lower lip ) *Labium (genus), a genus of wasps …   Wikipedia

  • Labĭum — (lat.), 1) Lippe; L. superius, L. inferius, Ober u. Unterlippe; L. externum, L. internum, s.u. Gesichtsknochen H) a) dd); Labium leporīnum, Hasenscharte; 2) schmale Ritze bei Orgelpfeifen u. einigen Blasinstrumenten (wie der Flûte à bec, Fûte… …   Pierer's Universal-Lexikon

  • labium — (n.) 1590s, plural labia, from L. labium lip (see LIP (Cf. lip) (n.)) …   Etymology dictionary

  • Labium — La bi*um, n.; pl. L. {Labia}, E. {Labiums}. [L.] 1. A lip, or liplike organ. [1913 Webster] 2. The lip of an organ pipe. [1913 Webster] 3. pl. (Anat.) The folds of integument at the opening of the vulva. [1913 Webster] 4. (Zo[ o]l.) (a) The organ …   The Collaborative International Dictionary of English

  • Labĭum — Labĭum, die Lippe; L. leporinum, Hasenscharte …   Meyers Großes Konversations-Lexikon

  • Labium — ⇒ Mundwerkzeuge …   Deutsch wörterbuch der biologie

  • LABIUM — iude Labra …   Hofmann J. Lexicon universale

  • labium — ► NOUN (pl. labia) 1) (labia) Anatomy the inner and outer folds of the vulva. 2) a fused mouthpart forming the floor of the mouth of an insect. ORIGIN Latin, lip …   English terms dictionary

  • labium — [lā′bē əm] n. pl. labia [lā′bēə] [L, LIP] a lip or liplike organ; esp., a) the lower, liplike part of the corolla of certain flowers b) the lower lip of an insect, formed by the fusion of the second maxillae …   English World dictionary

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