(n.) A thin plate or scale; a layer or coat lying over another; -- said of thin plates or platelike substances, as of bone or minerals.
(n.) The blade of a leaf; the broad, expanded portion of a petal or sepal of a flower.
(n.) A thin plate or scale; specif., one of the thin, flat processes composing the vane of a feather.
Example Sentences:
(1) In the caudal spinal trigeminal nucleus (Vc), the collaterals of one half of the periodontium afferent fibers terminated mainly in lamina V at the rostral and middle levels of Vc.
(2) It appears that the effects of monocular lid suture upon MIN are in most respects similar to the effects of monocular lid suture previously reported for the A laminae.
(3) In contrast to this, adrenalectomy decreased ANP levels markedly in the organum vasculosum laminae terminalis and preoptic periventricular nucleus, which are reportedly involved in the central regulation of salt and water homeostasis.
(4) Light microscopy of both apneics and snorers revealed mucous gland hypertrophy with ductal dilation and focal squamous metaplasia, disruption of muscle bundles by infiltrating mucous glands, focal atrophy of muscle fibers, and extensive edema of the lamina propria with vascular dilation.
(5) The surface phenotypes of bovine intestinal leukocytes isolated from the intraepithelium (IEL), lamina propria (LPL) and Peyer's patches (PPL) of the small intestinal mucosa of normal adult cows were determined using monoclonal antibodies (mAb) specific to adult bovine peripheral blood leukocytes (PBL).
(6) Glycogen, lipid, basal lamina, and canaliculi were present in all cases.
(7) A complete review of the literature was made which shows that most chondrosarcomas occur in middle-aged males originating most often from the posterior cricoid lamina, next from the thyroid cartilage.
(8) Based on their localisation and histology these are classified into three types (Epstein's pearls, Bohn's nodules, Dental lamina cysts).
(9) These laminae included the dentate hilus and strata oriens, pyramidale and lacunosum-moleculare of CA1.
(10) This method has also been successfully used in humans and rabbits to demonstrate specific antibody production by single lamina propria plasma cells.
(11) CD8 positive cells were detected randomly in all regions of the mucosa, whereas CD4 positive cells tended to be clustered in the superficial portion of the lamina propria.
(12) Of particular interest was the presence of dense-core vesicles in some of the glial cells, and that of a basal lamina underlying the perivascular glial cells.
(13) The total height of the lamina mucosa decreased from 700 to 275 microns.
(14) Injections with extensive spread of horseradish peroxidase show that many cells of lamina 4B and the large pyramidal neurons of upper lamina 6 also project extrinsically but their terminal sites have not been identified.
(15) At surgery, upon incision of the paravertebral muscle fascia, viscous pale fluid was encountered emanating from a foramen in the thoracic lamina.
(16) The sucker, covered with basal lamina, has a constant volume; its layer of muscles resists deformation and supports the stability of the arch.
(17) The development of the first molar was examined from the dental lamina stage through apposition.
(18) In both of these groups, the inoculated bacteria were recovered from the colon, and T hyodysenteriae was demonstrated in the colonic crypts, epithelium, and lamina propria.
(19) Although there was an increased concentration of angiotensin II binding sites in the organum vasculosum of the lamina terminalis, the median preoptic nucleus, and the paraventricular nucleus after dehydration, these changes did not reach statistical significance.
(20) FG or WGA-HRP labeled neurons were found mainly in laminae V and VII, in the lateral group of lamina IX, in Clarke's column (CC) and in the dorsal funiculus.
Petiole
Definition:
(n.) A leafstalk; the footstalk of a leaf, connecting the blade with the stem. See Illust. of Leaf.
(n.) A stalk or peduncle.
Example Sentences:
(1) The results indicate that the anatomical counter-current heat exchanger is reduced or eliminated during heat stress by 'chopping' the blood flow into pulses, and the blood pulses are shunted through the petiole alternately by way of a switch mechanism.
(2) Young leaf tissues had much higher levels of glucosyltransferase activity than the petioles and internodes.
(3) The transcript is detectable in stem and petiole, but not in leaves.
(4) The epiglottic petiole, the false cords, the true cords, and one arytenoid are also excised, along with the paraglottic space.
(5) The narrow passage within the petiole between thorax and abdomen is anatomically constructed so that counter-current exchange should retain heat in the thorax despite blood flow to and from the cool abdomen.
(6) Linamarase (EC 3.2.1.21) was purified from cassava petiole, stem, and root cortex by ammonium sulfate precipitation, column chromatography on Sepharose 6B, and chromatofocusing.
(7) The tissue- and organ-specific overproduction of cytokinins produced a number of morphological and physiological changes, including stunting, loss of apical dominance, reduction in root initiation and growth, either acceleration or prolonged delayed senescence in leaves depending on the growth conditions, adventitious shoot formation from unwounded leaf veins and petioles, altered nutrient distribution, and abnormal tissue development in stems.
(8) The major tissue features of basal petioles and the external characteristics of the crude drugs have also been given.
(9) The occurrence of dispersal or nondispersal of P-protein bodies can be related to the position of the sieve elements in the stem or petiole.
(10) Many characters of leaf (hair, hypodermal cells, palisade layers, intercellular space, distinction between spongy and palisade parenchyma, "palisade ratio", distribution of collenchyma and sclerenchyma, presence or absence of starch grains, calcium oxalate crystals, number, shape and arrangement of bundles of petiole) are useful distinguishing characters.
(11) In this paper, the Ainsliaea derivatives are studied to clarify the botanical origins; comparing anatomically with leaves and petioles of thirteen Ainsliaea species growing wildly in Sichuan prov.
(12) Glucan synthesis was achieved with an in vitro membrane fraction from the petioles of celery (Apium graveolens).
(13) Ethylene was found to have no influence on auxin transport in hypocotyls of Helianthus annuus and Phaseolus vulgaris; coleoptiles of Zea mays; petiole sections of Gossypium hirsutum, Phaseolus vulgaris, and Coleus blumei.
(14) GAST1 RNA is detectable in untreated leaves, stems, petioles and flowers, but not in roots.
(15) Their expression is also induced in leaf-petiole explants by high concentrations of sucrose.
(16) An uneven distribution of the coat protein antigens of beet necrotic yellow vein (BNYVV) and beet soil-borne (BSBV) viruses in tap roots of naturally infected sugarbeets and of BNYVV coat protein antigen in leaves and petioles of mechanically inoculated sugarbeet seedlings was detected by means of tissue print-immunoblotting.
(17) Arabidopsis plants stimulated by touch develop shorter petioles and bolts.
(18) This HC protein was found in leaf blade and vein tissue but not in the petiole of leaves.
(19) Regarding this new technique, the fibula works as a petiolated well vascular bone chip which bridges the joint.
(20) Raphides in petioles of Xanthosoma sagittifolium are needlelike crystals about 50 micrometers long.