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 may be covered by a head shield. Not enclosed by carapace. (Clearly delimited/not clearly delimited; helmeted, rounded, with/without rostrum). (Syn. cephalon) [Stachowitsch, 1992].
(Order Notostraca):
Anterior of three divisions (tagmata) of body (head, thorax, abdomen). Consists of five somites bearing in part poorly developed antennules, antennae, mandibles, maxillules, and maxillae. Covered, along with thorax, by carapace; border between head and thorax indicated by cervical groove [Stachowitsch, 1992].
(Order Diplostraca):
Anterior of two divisions (tagmata) of body (head, trunk). Consists of five somites bearing antennules, antennae, mandibles, maxillules, and maxillae. Bears ventral rostrum, compound and nauplius eyes, and is typically entirely enclosed by carapace. (entirely/not entirely enclosed by carapace; with/without frontal appendage). (Syn. cephalon) [Stachowitsch, 1992].
(Order Anostraca):
Anterior of three divisions (tagmata) of bosy (head, thorax, abdomen). Consists of five somites bearing antennules, antennae, mandibles, maxillules, and maxillae. Also bears pair of compound eyes laterally and nauplius eye middorsally; superfically subdivided dorsally by transverse mandibular groove. (Syn. cephalon) [Stachowitsch, 1992].
(Class Cephalocarida):
Cephalon [Stachowitsch, 1992].
(Order Cumacea):
Cephalon [Stachowitsch, 1992].
(Order Tanaidacea):
Anterior of three basic divisions (tagmata) of body (head, thorax, abdomen). Consists of five somites with five pairs of appendages (antennules, antennae, mandibles, maxillules, maxillae); fused with first thoracic somite (bearing maxillipeds), this entire complex also being termed head [Stachowitsch, 1992].
(Order Decapoda):
Cephalon [Stachowitsch, 1992].
(Order Amphipoda):
Cephalon [Stachowitsch, 1992].
(Order Isopoda):
Cephalon [Stachowitsch, 1992].
(Order Mysida):
Anterior of three basic divisions (tagmata) of body (head, thorax, abdomen). Fused with anterior thoracic segments (thoracomeres) to form cephalothorax; covered by carapace [Stachowitsch, 1992].
(Order Stomatopoda):
Cephalon [Stachowitsch, 1992].
(Order Leptostraca):
Cephalon [Stachowitsch, 1992].
(Subclass Branchiura):
Cephalon [Stachowitsch, 1992].
(Subclass Cirripedia):
Anterior of typically two basic divisions (tagmata) of body (head, thorax; in ascothoracican: head, thorax, abdomen). If fully consists of five fused segments (somites) bearing antennules, antennae, mandibles, maxillules, and maxillae [Stachowitsch, 1992].
(Subclass Mystacocarida):
Cephalon [Stachowitsch, 1992].
(Class Ostracoda):
Anterior of two major regions (head, thorax) of body; unsegmented and not clearly delimited from thorax. Bears five pairs of appendages (cephalic appendages), including antennules, antennae, mandibles, maxillules, and maxillae as well as eye. Entirely enclosed in carapace. (Syn. cephalon) [Stachowitsch, 1992].
(Class Remipedia):
Cephalon [Stachowitsch, 1992].
(Superorder Syncarida):
Anterior of three major divisions (tagmata) of body (head, thorax, abdomen). Consists of basically five somites (bearing antennules, antennae, mandibles, maxillules, and maxillae), although in anaspidacean and stygocaridacean first thoracic somite (bearing maxillipeds) is fused to head. (See also cervical groove, rostrum). (Syn. cephalon) [Stachowitsch, 1992].
(Order Thermosbaenacea):
Cephalon [Stachowitsch, 1992].
(Order Euphausiacea):
Cephalon [Stachowitsch, 1992].

Crustacea glossary. . 2011.

Synonyms:

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  • Head — (h[e^]d), n. [OE. hed, heved, heaved, AS. he[ a]fod; akin to D. hoofd, OHG. houbit, G. haupt, Icel. h[ o]fu[eth], Sw. hufvud, Dan. hoved, Goth. haubi[thorn]. The word does not correspond regularly to L. caput head (cf. E. {Chief}, {Cadet},… …   The Collaborative International Dictionary of English

  • head — [hed] n. [ME hede, heved < OE heafod, akin to Ger haupt (OHG houbit, Goth haubith) < IE base * kaput (orig. prob. cup shaped) > L caput: merged in Gmc with word akin to OHG hūba, a cap, crest (Ger haube) < IE base * keu , to bend,… …   English World dictionary

  • head — ► NOUN 1) the upper part of the human body, or the front or upper part of the body of an animal, containing the brain, mouth, and sense organs. 2) a person in charge; a director or leader. 3) the front, forward, or upper part or end of something …   English terms dictionary

  • Head — ist der Familienname folgender Personen: Anthony Head (* 1954), englischer Schauspieler Antony Head, 1. Viscount Head (1906–1983), britischer Brigadegeneral der British Army sowie Politiker der Conservative Party Barclay V. Head (1844–1914),… …   Deutsch Wikipedia

  • Head — (h[e^]d), v. t. [imp. & p. p. {Headed}; p. pr. & vb. n. {Heading}.] 1. To be at the head of; to put one s self at the head of; to lead; to direct; to act as leader to; as, to head an army, an expedition, or a riot. Dryden. [1913 Webster] 2. To… …   The Collaborative International Dictionary of English

  • head — [adj] most important; chief arch, champion, first, foremost, front, highest, leading, main, pioneer, preeminent, premier, prime, principal, stellar, supreme, topmost; concepts 568,574 Ant. auxiliary, inferior, lower, second, secondary, trivial,… …   New thesaurus

  • Head — (h[e^]d), a. Principal; chief; leading; first; as, the head master of a school; the head man of a tribe; a head chorister; a head cook. [1913 Webster] …   The Collaborative International Dictionary of English

  • Head — Head, v. i. 1. To originate; to spring; to have its source, as a river. [1913 Webster] A broad river, that heads in the great Blue Ridge. Adair. [1913 Webster] 2. To go or point in a certain direction; to tend; as, how does the ship head? [1913… …   The Collaborative International Dictionary of English

  • Head — es un término inglés que significa cabeza . En español es utilizado para referirse a: Un programa informático típico de los sistemas Unix: head (Unix). En el ámbito de la informática también se utiliza en las tecnologías HTML, HTTP o CVS. El… …   Wikipedia Español

  • Head — Head: Сообщества, компании и марки High Energy Astrophysics Division  подразделение Американского астрономического общества. Head  компания производитель спортивного инвентаря. Компьютерные технологии head (Unix)  утилита Unix. См …   Википедия

  • head — n: any of a number of individuals by heads: with an equal share to each individual: per capita used in the rules of intestate succession in Louisiana Merriam Webster’s Dictionary of Law. Merriam Webster. 1996 …   Law dictionary

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