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1 отсутствовать
•These dispersions were free from coarse aggregates.
•The new bottles are free of cracks.
•In places plant growth may be lacking completely.
•Antennules are lacking in the adult, and cement glands are much reduced.
•In many areas the means for crossing rivers are either nonexistent or only of a primitive nature.
•In the 1958 TV receiver, transistors are almost nowhere to be seen.
•There is freedom from porosity on vital machined surfaces.
•When a box is not provided, rests should be so placed as to...
•Data are not in hand (or are not available, or are unavailable) to estimate the extent of this effect.
••These fossil plants lack growth rings (... отсутствуют...).
•Fortunately, astronomers are not halted in a practical sense; theory may be lacking, but they can get along.
•No experimental values are available.
Русско-английский научно-технический словарь переводчика > отсутствовать
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2 антеннулы первой пары сяжков
Geology: antennules (у ракообразных)Универсальный русско-английский словарь > антеннулы первой пары сяжков
См. также в других словарях:
Antennules — Antenne (biologie) Pour les articles homonymes, voir Antenne. Antennes chez les homards. On distingue une paire de grosses antennes coudées et dirigées vers l arrière et une paire d ante … Wikipédia en Français
Decapod anatomy — Antennules Pereiopods … Wikipedia
Anatomie des décapodes — Antennules Péréiopodes … Wikipédia en Français
crustacean — /kru stay sheuhn/, n. 1. any chiefly aquatic arthropod of the class Crustacea, typically having the body covered with a hard shell or crust, including the lobsters, shrimps, crabs, barnacles, and wood lice. adj. 2. belonging or pertaining to the… … Universalium
nauplius — Characteristic crustacean larval stage bearing median simple (naupliar) eye and 3 pairs of setose, functional appendages destined to become the antennules, antennae and mandibles [Brusca and Brusca, 2002]. Early larval stage having only… … Crustacea glossary
cephalon — A term that refers to the head of a crustacean [Brusca and Brusca, 2002]. Anterior region of the body bearing the antennules, antennae, eyes, mandibles, maxillules, and maxillae [Holdich and Jones, 1983]. Anteriormost tagma, bearing eyes, mouth,… … Crustacea glossary
head — See: cephalon [Martin, 2005]. (Order Cladocera): Anterior of two divisions (tagmata) of body (head, trunk); Consists of five somites bearing antennules, antennae, mandibles, maxillules, and (reduced) maxillae. Bears compound and naupliar eyes and … Crustacea glossary
malacostracan — /mal euh kos treuh keuhn/, adj. 1. belonging or pertaining to the crustacean subclass Malacostraca, which includes the lobsters, shrimps, crabs, etc. n. 2. a malacostracan crustacean. [1825 35; < NL Malacostrac(a) order of crustacea ( < Gk, neut … Universalium
aesthetasc(s) — See: esthetasc [Martin, 2005]. A long, tubular, sensory seta having thin cuticle, found on the antennula or antenna. Aesthetascs may have a chemosensory function, because males generally have more of these structures than females [Wilson, 1989].… … Crustacea glossary
rostrum — (1) Anteriorly projecting, unpaired, usually rigid median extension of carapace between eyes or ocular peduncles; (2) anterior beaklike projection of valve margins overhanging incisure or notch (Ostracoda); (3) unpaired anteroventral plate of… … Crustacea glossary
segment — Division of an appendage [Perez Farfante and Kensley, 1997]. Individual component of crustacean limb connected by movable articulation with adjoining segments. (Syn. podomere (not equivalent to somite, though used by some authors in this sense).… … Crustacea glossary
