rostral plate

rostral plate
A flat rostrum [Mauchline, 1984].
Anteriorly projecting, unpaired, movably articulated, median extension of carapace (e.g., Phyllocarida). See: rostrum, compound rostrum [Moore and McCormick, 1969].
(Subclass Phyllocarida):
Anteriorly projecting, unpaired, movably articulated, median extension of carapace; antennulary portion of cephalon [McLaughlin, 1980].
(Order Leptostraca):
Plate-like structure extending over head. Articulated with carapace and movable by series of muscles. (simple, with ventral kell and spine). (Syn. rostrum) [Stachowitsch, 1992].
(Subclass Cirripedia):
Rostrum [Stachowitsch, 1992].
(Subclass Mystacocarida):
Term applied to two anteromedian lobes of anterior (antennulary) part of head (cephalon) [Stachowitsch, 1992].

Crustacea glossary. . 2011.

Игры ⚽ Поможем сделать НИР

Look at other dictionaries:

  • rostral plate — a small plate on the anterior tip of the snout, e.g. in some Agonidae …   Dictionary of ichthyology

  • rostral plate — (ARTHROPODA: Crustacea) In malacostracan Phyllocarida, the anteriorly projecting, movably articulated, median extension of the carapace …   Dictionary of invertebrate zoology

  • rostral spine — a spine of the rostral plate …   Dictionary of ichthyology

  • Rostral scale — The rostral scale, or rostral, in snakes and other scaled reptiles refers to the median plate on the tip of the snout that borders the mouth opening.Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates (7th printing,… …   Wikipedia

  • plate — 1. [TA] In anatomy, a thin, relative flat, structure. SYN: lamina [TA]. 2. A metal bar perforated for screws applied to a fractured bone to maintain the ends in apposition. 3. The agar layer within a Petri dish or similar …   Medical dictionary

  • rostral angle — In cirripeds angle of plate directed toward rostrum [Moore and McCormick, 1969]. Intersection of basal and occludent margins of scutum in lepadomorph Cirripedia [McLaughlin, 1980]. (Subclass Cirripedia): Barnacle plate feature: in stalked form,… …   Crustacea glossary

  • rostral teeth — tooth like projections on the sides of the snout of Pristidae and Pristiophoridae. They lack a basal plate typical of other elasmobranch teeth and are made of orthodentine and vitrodentine with a pulp cavity filled with osteodentine …   Dictionary of ichthyology

  • rostral latus — (ARTHROPODA: Crustacea) In Lepadomorph branacles, a plate on each side of the rostrum or below the scutum; see rostrolateral …   Dictionary of invertebrate zoology

  • rostral latus — See: latus [McLaughlin, 1980]. (Subclass Cirripedia): Barnacle plate: paired plates (latera) in stalked form, one on each side of rostrum or below scutum. Homologous with rostrolateral of unstalked form [Stachowitsch, 1992] …   Crustacea glossary

  • Basal plate (neural tube) — Infobox Embryology Name = Basal plate Latin = Lamina basalis, basal lamina GraySubject = 184 GrayPage = 735 Caption = The basal plate (basal lamina) is separated from the alar plate (alar lamina) by the sulcus limitans (unlabeled). Width = 200… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”