(a.) Of or pertaining to back, or tergum. See Dorsal.
Example Sentences:
(1) All neurones of the anterior cluster possess bilaterally projecting axons which leave the ganglion through nerve 2 (= sternal nerve) or nerve 1 (= tergal nerve).
(2) Two other characters of tergal chaetotaxy, of probable taxonomic potential, are also described.
(3) It is found only in the asynchronous muscle and in the large cells of the jump muscle (tergal depressor of the trochanter).
(4) This paper emphasizes the need for behavioral and biochemical studies to elucidate the biological significance of cockroach tergal glands.
(5) Among 6,003 specimens, no individuals had pale-scales continuing from the tergal base to its apex on the third tergum and posteriorly.
(6) Abdominal tergal scale pattern variations of Aedes aegypti were studied in Chiang Mai, northern Thailand for specimens reared from eggs laid in ovitraps set monthly both indoors and outdoors in urban and rural areas.
(7) The cohort is still young, however, and a continued follow up is likely to yield important information about the potential hazards associated with the nylon and tergal polymer industry.
(8) The tergal gland of the adult male Leucophaea maderea is a tegumentary specialization of the second abdominal segment.
(9) In this study, in situ hybridization analysis has been used to examine the complexity and muscle specificity of MHC isoform expression in the fibrillar indirect flight muscle (IFM), the tubular direct flight muscles (DFM) and tubular tergal depressor of the trochanter muscle (TDT), and the visceral esophageal muscle in the adult thorax.
(10) have erect abdominal tergal setae normally characteristic of Phlebotomus; some Sergentomyia spp.
(11) It was suggested that the number of tergal spots could not be used as a marker for reproductively isolated populations, and that analysis of the compound present within the spots might be necessary to characterize potentially good vector populations.
(12) Deposit plates, anodized aluminium, glazed earthenware plates, and polystyren, glass, "Tergal" cloth plates were used in 8 urban sites and 1 extra-urban site during 1 to 3 months.
(13) Previous gas-chromatographic (GC) analyses of tergal gland extracts of Lu.
(14) The chemistry of the secretions produced by tergal glands is unknown for most species.
(15) maculatus collected throughout Thailand from north to south were examined morphologically with respect to adult tergal pale scales.
(16) The chemical composition of the compounds contained in the tergal spots of Lutzomyia longipalpis was investigated.
(17) The wingless virgin females of the ponerine ant Rhytidoponera metallica attract males by the release of a pheromone from the tergal gland, a hitherto unrecognized exocrine gland located between the last two abdominal segments.
(18) Here we describe the mechanics of two different wild-type muscles; the dorsal longitudinal flight muscle which is asynchronous (nerve impulses are not synchronised with each contraction), and a leg muscle, the tergal depressor of the trochanter, which is synchronous.
(19) In each of the first six abdominal ganglia of both sexes, two DUM neurones, one with axons in the tergal nerve and one with axons in the sternal nerve, were found.
(20) Species which do not have distinctive tergal modifications may have concentrations of microscopic pores or openings associated with glandular cells on certain segments.
Tergite
Definition:
(n.) The dorsal portion of an arthromere or somite of an articulate animal. See Illust. under Coleoptera.
Example Sentences:
(1) By the structure of hypopigium males belong to the group of the species A. mariae and A. pulchritarsis but differ from the former in smaller basal warts and approximated lobes of IXth tergite and from the latter in the square shape of phallosome, approximated lobes and in the absence of the thorn on the basal wart.
(2) Genetically marked clones are produced in the tergites in the embryo and in the sternites and pleura during larval life.
(3) Mitotic recombination was X-ray induced in larvae and clones scored in the tergites of emerged adults.
(4) The adults are characterized by 4 dark postsutural mesonotal vittae, 1-2 bristles dorsally on the stem vein, the hairs on the ventral surface of r4 + 5 confined to the vein base, and the predominantly orange-yellow tergite I + II.
(5) The microtrichia of abdominal tergite six and sometimes four and five of the males of ten species of Sergentomyia (Subgenera Grassomyia, Sintonius, Sergentomyia and Parrotomyia) were found to be dimorphic.
(6) If P element mutagenesis creates additional variation for quantitative traits, accelerated response to artificial selection of progeny of M female female X P male male strain crosses is expected, compared with that from progeny of P female female X M male male strain crosses.--Divergent artificial selection for number of bristles on the last abdominal tergite was carried out for 16 generations among the progeny of P-strain males (Harwich) and M-strain females (Canton-S) and also of M-strain males (Canton-S) and P-strain females (Harwich).
(7) This is particularly striking in clones in the wing disc, slightly so in clones in the tergites.
(8) Labeled grafts were reimplanted into paired animals to detect cytotoxicity as follows: grafts removed from under the second tergite were placed back into their original positions to serve as autograft controls; grafts removed from under the fourth tergite were reciprocally transferred between paired animals; and grafts were recovered after various time intervals and processed for scintillation counting.
(9) The main consequences of treatment were failed eclosions at higher alkaloid concentrations (10(-4) M), while lower concentrations (10(-5) M) permitted the eclosion of adults, but these showed abdominal abnormalities ranging from severe distortions to reduced numbers of tergite bristles.
(10) Most of this pheromone is produced by cells whose precursors on the blastoderm surface are very close to, or identical with, the blastoderm precursors of the tergites.
(11) The cuticular pattern elements and pigmentation in the fifth sternite of the male housefly, when compared to those of other segments as well as the tergites of both sexes, are quite distinct.
(12) Both Minute and non-Minute adult progeny from Minute mothers suffer from Minute maternal effects such as abdominal segmentation defects, fused tergites, and missing or defective legs and halteres.
(13) Making wounds across the border leads to greater effects on polarity of epidermal cells than making similar wounds elsewhere on the tergites.
(14) The females of A. rempeli differ from this species by light bands at the bases of tergites narrow to the middle.
(15) Transformations to abdominal tergite occurred primarily in cells taken from the eye region of the compound disc.
(16) Both tergite and sternite defects occurred, and duplications of parts of these structures were observed in both cases.
(17) Small quantity of cells innervating various tissues was found together with 3 varieties of neurones, located near the nervous trunks, as well as 4 pairs of the abdominal stretch receptors (one pair of unicellular and one pair of bicellular receptors in tergites and sternites).
(18) We have studied the clonal behaviour of some lethal alleles in genetic mosaics in the imaginal development of thorax, head and tergite epidermis.
(19) A translocation, T(2;3)Es that is associated with a lethal allele in one of these complementation groups is also broken at the engrailed (en) locus on the second chromosome and has a dominant phenotype that may be due to the expression of en in the anterior portion of the abdominal tergites where en is not normally expressed.
(20) In the subgenus: Parvidens, S. lesleyae males had dimorphic microtrichia on tergites five and six while those of S. heischi were monomorphic.