anal plate


Also found in: Encyclopedia.

a·nal plate

the anal portion of the cloacal plate.

a·nal plate

(ā'năl plāt)
The anal portion of the cloacal membrane.
References in periodicals archive ?
Antennae, rostrum and each segment of legs brown, cauda and anal plate light brown.
Nevertheless, the last plate has some traits of both an intermediate plate and an anal plate, indicating coalescence between shell plates, that is, respectively, the presence of a pronounced apex in the middle of the last plate, and the curved shape of the posterior end of the plate (Fig.
Pygidium with a bilobed anal plate and two long anal cirri, wider basally.
Secundibrachials of adjacent radii are separated by rising edges of arm facets or projecting anal plate. Overlying brachials not contacting radials.
Fifth abdominal sternite slightly convex, weakly furrowed on midline; anal plate short, weakly furrowed on midline, with 20 short setae, posterior margin entire at middle.
The two new species, Drosophila napoensis and Drosophila cuyuja should be placed in subgroup I of the tripunctata species group because these species are yellowish, without pollinosity, the mesonotum is without markings, the anal plate is without spikes and the anterior crossvein is not clouded.
Several of the traits consist of bristle number on the following structures: male anal plate, clasper, sex comb, and fifth sternite; female dorsal anal plate, ventral anal plate, vaginal plate (average of left and right), and sixth sternite.
Supra anal plate medium brown on anterior portion and distal projections, and yellowish brown on center; anterior margin concave on median part, lateral ones constricted on median portion and very extended distal projections (Fig.
Supra anal plate semi circular or subtriangular, with lateral margin moderately convergent, weakly convex at the posterior region.
First was an unusual undulating pattern to the entire body of the larvae which was even more pronounced for the anal plate cuticle.