tergum

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tergum

[′tər·gəm]
(invertebrate zoology)
A dorsal plate of the operculum in barnacles.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The added male characteristics are presence of papilla in F2; the external ascoid implanted more apically than the internal one; 3rd palpal segment with the Newstead's sensilla implanted in its middle; presence of the ventrocervical sensilla and tergal papillae on tergites V, VI and VII.
ganshuanensis; the tergal chaetotaxy on anterior tergites is also different (tergites I III with four setae in the new species, while only two in T.
2009; 2010); head roughly triangular, anteriorly short and straight to slightly concave hyaline margin; segmentation of antennae; gular plate; pterothorax expanded laterally; all tergal plates are divided medially, with long and spindle shaped abdomen; male shorter, sternites with dark bands in abdomen; male genital struts similar.
They are present as follows: sternite II without setae or lyrifissures; sternite X and IX with 2 long medial setae and 2 short lateral setae; sternal setae simple and longer than tergal setae; sternites not divided; and sternal chaetotaxy is shown in Table 3.
Two tenders for the supply of (a) different quality fabrics (gabardine, tergal and cretonne), also (b) sets of fire brigades' dresses.
Ultrastructure and mineral distribution in the tergal cuticle of the terrestrial isopod Titanethes albus: adaptations to a karst cave biotope.
Abdomen: The median ridge of the thorax continues along the tergal plate of mtg III-VI, lateral sclerites with punctured oval depressions; deltg II + III not fused, anteriorly reaching to pronotum, lateral margins of deltg II-VII reflexed with posterolateral hairy tubercles; tergite VII elevated with 2 vertical projections.