articular furrow — (ARTHROPODA: Crustacea) A groove near the tergal margin of the scutum, or scutal margin of the tergum, forming part of articulation between the two valves of barnacles … Dictionary of invertebrate zoology
articular ridge — In cirripeds (Balanomorpha), linear elevation on tergal margin of scutum or scutal margin of tergum close to articular furrow and with it forming articulation between these plates [Moore and McCormick, 1969]. (Subclass Cirripedia): ( ) [Anderson … Crustacea glossary
articular ridge — (ARTHROPODA: Crustacea) In barnacles, a linear elevation on the scutum or tergum bordering the articular furrow and together forming an articulation between the two valves … Dictionary of invertebrate zoology
scutum — Paired plate or valve of thoracic Cirripedia; in lepadomorphs, 1 on each side of occludent margin of capitulum. In verrucomorphs, of two types: fixed scutum, 1 of 4 compartmental plates; movable scutum, 1 of 2 opercular plates [McLaughlin, 1980] … Crustacea glossary
Pyramidal process of palatine bone — Infobox Bone Name = Pyramidal process of palatine bone Latin = processus pyramidalis ossis palatini GraySubject = 41 GrayPage = 168 Caption = Medial wall of left orbit. (Pyramidal process of palatine labeled at bottom right.) Caption2 = Left… … Wikipedia
Insect morphology — Legend of body parts Tagmata : A Head, B Thorax, C Abdomen. 1. antenna 2. ocelli (lower) 3. ocelli (upper) 4. compound eye 5. brain (cerebral ganglia) 6. prothorax … Wikipedia
Insect wing — Original veins and wing posture of a dragonfly. Hoverflies hovering to mate … Wikipedia
fold — 1. A ridge or margin apparently formed by the doubling back of a lamina. SYN: plica. 2. In the embryo, a transient elevation or reduplication of tissue in the form of a lamina … Medical dictionary
groove — A narrow, elongate depression or furrow on any surface. SEE ALSO: sulcus. alveolobuccal g. the upper and lower half of the buccal vestibule on each side. SYN: alveolobuccal sulcus, gingivobuccal g., gingivobuccal sulcus. alveololabial g. 1. the… … Medical dictionary
Foramen — A natural opening. Although a foramen is usually through bone, it can be an opening through other types of tissue, as with the foramen ovale. * * * An aperture or perforation through a bone or a membranous structure. SYN: trema (1). [L. an… … Medical dictionary
) [Anderson, 1980].Balanus trigonus: wall plates, exploded; and interior of operculum. [Anderson, 1980](Subclass Cirripedia):Barnacle plate feature: in unstalked form, linear elevation on tergal margin of scutum or scutal margin of tergum. Ridge and furrow of scutum (or tergum) articulate with corresponding structures in tergum (or scutum) [Stachowitsch, 1992].(Subclass Cirripedia):Groove near tergal margin of scutum or scutal margin of tergum forming part of articulation between the two valves (balanomorph Cirripedia) [McLaughlin, 1980].