(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.
Rachis
Definition:
(n.) The spine; the vertebral column.
(n.) Same as Rhachis.
Example Sentences:
(1) In May 1983, a thorough workup revealed an incomplete fracture of the first lumbar vertebra and a diffuse demineralization of the rachis and pelvis.
(2) Oogonia detach from the short rachis and increase in size from 6 to 60 microns; accumulating hyaline granules, shell granules and glycogen.
(3) It is conventional saying that the fetal rachis shows only one ventral concavity.
(4) Antho-RFamide (pGlu-Gly-Arg-Phe-amide), a neuropeptide recently isolated from the sea pansy Renilla köllikeri induced sustained (tonic) contractions in the rachis and peduncle of the colony, and in the individual autozooid polyps.
(5) Changes in mixed venous oxygen saturation of hemoglobin (SvO2), heart rate (HR), cardiac index, (SI) were measured in 20 patients undergoing major orthopedic surgery (rachis and pelvis bone resections for tumours: mean-lasting 8 hours), to estimate the safety limits during isovolemic hemodilution.
(6) One of the most popular was rachi-striene-stovainization, which was introduced by Jonnesco and attempted to replace general anesthesia (general rachianesthesia).
(7) After the development of the genital rachis into the ovotestis, spermatogenic cells increase in number and differentiation begins.
(8) The authors also made a comparative study of the conventional Milwaukee corset (with broad chin bearing) versus the Milwaukee with hyoid bearing; and finally they illustrate the results obtained by Andriacchi and his associates in selecting the Milwaukee corset for patients with idiopathic scoliosis on the basis of the mathematical model of the rachis.
(9) The authors describe the utility of fast and high-resolution multiplanar CT reconstructions in the study of the rachis.
(10) Our three observations in spite of their analogy with Kozlowski's type, are distinguished by more discrete lesions of the rachis and pelvis and by their autosomal recessive mode of inheritance.
(11) Rachis in the usual ways of the AHF is within its normal characteristics; on the other hand there are modifications in the nervous cases: the total proteins are nearly always increased and the cells augmented with a great predominance of mononuclear cells.
(12) Non tuberculous spondylodiscitis of the rachis is an uncommon entity that affects boys and male adults with greater frequency.
(13) For this reason we often use in the same time a 99mTc stannous pyrophosphates scintigraphy of rachis.
(14) Degeneration rarely occurred before the age of 50 years, affected men twice as frequently as women, and occurred particularly in cases of diffuse Paget's disease, mainly in the femur or the humerus; the rachis was rarely affected.
(15) Abnormal feathers, characterized by thinness and increased transparency of the calamus and rachis, and loss of barbs, were induced at a high frequency by inoculating day-old chicks with reticuloendotheliosis virus (REV) propagated in chicken-embryo fibroblast (CEF) cultures.
(16) We think it should be recommended for major surgery of the rachis.
(17) pelvis, femur, rachis, tibia, humerus, and the cancers most frequently involved--prostate, bronchi, kidney, breast and intestine.
(18) Wonder the global static of the rachis is little concerned in most of these children.
(19) Correct orthopedic therapy for traumas of the cervical rachis requires perfect knowledge of the spatial balance of the fracture focus.
(20) This experimental work, realized on a group of 25 monkeys, aims at determining the correct circulatory direction in rachis veins and the importance of the vertebral veinous circulation in the general return circulation.