(n.) Any slender, more or less rigid, bristlelike organ or part; as the hairs of a caterpillar, the slender spines of a crustacean, the hairlike processes of a protozoan, the bristles or stiff hairs on the leaves of some plants, or the pedicel of the capsule of a moss.
(n.) One of the movable chitinous spines or hooks of an annelid. They usually arise in clusters from muscular capsules, and are used in locomotion and for defense. They are very diverse in form.
(n.) One of the spinelike feathers at the base of the bill of certain birds.
Example Sentences:
(1) Lutzomyia is "defined" by thoracic pleural setae and a cibarial bulge, both of which states occur on Old World forms.
(2) Additional observations on some fine structures of Demodex folliculorum under SEM were presented in this paper, including supracoxal spines, hypostome, palpal claws, male and female podosomal setae, leg claw-basal spur, femoral spur, etc.
(3) N-1 methylation of benzo-alpha-carbolines performed with Kitasatosporia setae strain yields corresponding benzo-alpha-iso-carbolines, compounds demonstrating relatively strong cytostatic and antitumor properties.
(4) The large plumose setae are studied in Palaemon serratus (Decapoda) and Sphaeroma serratum (Isopoda) during premolt.
(5) Caminacarus terrapenae differs from the above species by the form of the dorsal shield which extends more anteriorly but lacks anterior winglike elongations and has rounded anterolateral margins, the posteriorly concave shape of the genital sclerite and more sclerotized vaginal wall, the anterodorsal wall of the gnathosomal base which is not ringlike but open with lateral sclerotizations and interior punctations in this species, and structure of the tarsal setae with the presence of smaller heavier setae.
(6) Three types of setae were found on the antenna of workers of C. formosanus.
(7) Larva differs from I. trianguliceps in longer setae of alloscutum, longer ventrolateral tooth of 1st palpal joint and longer medial tooth of coxae I.
(8) The setae and parapodia of Eurythoe complanata, Chloeia flava and Pherecardia striata were examined using histological and scanning electron microscope techniques.
(9) Numerous tegumental pores surrounding setae in surface tubercles are shown.
(10) After larvae hatch, portions of the egg coats and the attachment stalks are retained on the ovigerous setae until the female undergoes her next molt.
(11) The longest setae (sensilla trichodea) are thick walled, socketed, mononeuronic, and non-perforated.
(12) The new species is most similar to Tinaminyssus melloi (Castro) 1948 and T. turturi (Fain) 1962, but differs in (1) possessing only 5 pairs of ventral opisthosomal setae, (2) presence of 3 pairs of enlarged setae on the dorsal opisthosoma at the posterolateral margin of the podosomal plate (1 pair) and at the lateral margins of the opisthosomal plate (2 pairs), (3) elongate shape and larger size of the poststigmatic plates, and (4) chaetotaxy and solenidiotaxy of the legs, especially tarsus I with a cluster of 4 solenida and 1 club-shaped solenidion on the apex of the dorsum.
(13) The differential diagnosis, particularly in comparison with the closely related genera Liga and Amoebotaenia, is presented: Liga possesses an atrial bundle of setae and Amoebotaenia 1 row of well built hooks with a typical blade.
(14) The morphological structure of the spicules and setae of the mandibular brushes and combs and the maxillary brushes are described.
(15) Female swimmerets contain many long "smooth hairs" (long simple setae) on the coxa and rami.
(16) An expert system (SETA) for the management of patients in the CCU environment has been developed.
(17) The fine structure of the integumentary glands and mechanoreceptory setae in Dermacentor marginatus nymphs is described.
(18) The raatio of setae containing cellular contents sthroughout the lumen to those condensed into strands separates stages A2 throught C3...
(19) The formation of brown bodies in the coelomic cavity may result from an aggregation of coelomocytes around offending foreign cells such as bacteria, gregarines, incompatible graft fragments, and altered self structures such as setae or necrotic muscle cells.
(20) Counts of setae in "aureate" (au), spontaneous autosomal recessive mutation of good penetrance and viability, show that the au gene causes a three-fold increase in setation over the normal in the visible abdominal sternites but not in the membranous wings of the tenebrionid flour beetle Tribolium castaneum.
Trichome
Definition:
(n.) A hair on the surface of leaf or stem, or any modification of a hair, as a minute scale, or star, or gland. The sporangia of ferns are believed to be of the nature of trichomes.
Example Sentences:
(1) Thus, the genetically conditioned decision of a specific cell to differentiate either a chaeta or a trichome is made during the growth of the wing imaginal disc and is transmitted clonally to descendant cells.
(2) The work shows some distinct differences in trichome morphology as well as variation in their development, due to the effect of indole-3-acetic acid (IAA).
(3) The saturated anacardic acid (C22:0 sat), abundant in the trichome exudate of susceptible strains, was nearly as inhibitory toward both prostaglandin endoperoxide synthase and lipoxygenase as the omega 5-unsaturated compound.
(4) These hormogonia were characterized in terms of their morphology, state of differentiation of the cells, optimal temperature for production and motility, minimal nutritional requirements to sustain motility, liberation of the hormogonium from its parental trichome, average surface velocity, and maximal concentration of agar through which the hormogonium may move.
(5) The characteristics of the growth curve of the organism showed that its growth in shake cultures is by increasing trichome number up to approximately 15 hr and by increasing trichome length after 15 hr.
(6) Illumination of a single cell in the P. uncinatum trichome gives rise to quenching of the fluorescence in this cell and usually in one or two neighbor cells, whereas the rest of trichome remains fluorescing.
(7) Also, this species shows more specialized foliar trichomes which permit the uptake of water and possibly of nutrients.
(8) Previously, we reported that hapten-immune animals showed increased collagen deposition as identified on routine paraffin fixed slides that were stained with Masson's trichome.
(9) The source of the epidemic are the strong sensitizing sesquiterpene lactones parthenin, ambrosin and others, which are highly concentrated in the trichomes of the plant.
(10) changed morphology from rods of about 6 to 8 microns long to multicellular filaments (unsheathed trichomes) up to many hundreds of micrometres long with the addition of glycine or certain D-amino acids to the growth medium.
(11) The putative GL1 promoter directs the expression of the GUS reporter gene in non-trichome-bearing structures that appear to be stipules.
(12) Histochemical localization of the reporter gene product suggests that the as-2 tetramer directs expression in trichomes, vascular elements, and epidermal and mesophyll cells.
(13) It is concluded ethylrhodamine can be used to monitor the power transmission which was previously demonstrated by microelectrode studies of the cyanobacterial trichomes.
(14) The construction of cell hairs (trichomes) on the wings of Drosophila occurs in synchrony on 30,000 cells over a period of about 20 hr.
(15) Haematoxylin and Eosin, Masson's Trichome, and high iron diamine Alcian blue staining was done in all the cases.
(16) A scanning electron microscopic study of trichome morphology of bean embryo, growing in semi-solid synthetic medium, has been undertaken.
(17) In young expanding leaves, P2 protein is concentrated in palisade cells and in epidermal trichomes.
(18) In certain trichomes, several "dark" cells appear during the storage of the trichomes without energy sources.
(19) The GL1 gene is required for the initiation of differentiation of hair cells (trichomes) on the crucifer, Arabidopsis thaliana.
(20) Very similar inhibition was seen with the crude exudate, rich in omega 5-anacardic acids, from glandular trichomes of an arthropod-resistant strain of geranium, Pelargonium xhortorum.