(n.) One of the two points where the orbit of a planet, or comet, intersects the ecliptic, or the orbit of a satellite intersects the plane of the orbit of its primary.
(n.) The joint of a stem, or the part where a leaf or several leaves are inserted.
(n.) A hole in the gnomon of a dial, through which passes the ray of light which marks the hour of the day, the parallels of the sun's declination, his place in the ecliptic, etc.
(n.) The point at which a curve crosses itself, being a double point of the curve. See Crunode, and Acnode.
(n.) The point at which the lines of a funicular machine meet from different angular directions; -- called also knot.
(n.) The knot, intrigue, or plot of a piece.
(n.) A hard concretion or incrustation which forms upon bones attacked with rheumatism, gout, or syphilis; sometimes also, a swelling in the neighborhood of a joint.
(n.) One of the fixed points of a sonorous string, when it vibrates by aliquot parts, and produces the harmonic tones; nodal line or point.
(n.) A swelling.
Example Sentences:
(1) In 49 cases undergoing systemic lymphadenectomy 32 were found to have glandular involvement, of which both aortic and pelvic nodes were positive in 17 cases (53.1%), aortic nodes positive but pelvic negative in six (18.8%), and pelvic nodes positive but aortic negative in nine (28.1%).
(2) In some cervical nodes, a few follicles, lymphocyte clusters, and a well-developed plasmocyte population were also present.
(3) Ten out of 12 (83%) tumours which had c-erbB-2 and c-erbA co-amplification had metastasised to axillary lymph nodes (P less than 0.006).
(4) Nine of the 12 long-term survivors showed lymph node metastasis and six of the 12 revealed cancer cells at the surgical margins.
(5) Right orchiectomy and retroperitoneal lymph node dissection for embryonal carcinoma had been performed 5 years earlier.
(6) Two cases are presented of bilateral ureteral obstruction and uremia due to pressure from nodes involved in disseminated lymphoma.
(7) Using an antibody to the nerve growth factor receptor (NGFR), we examined dendritic reticulum cells (DRCs) immunohistochemically in 62 formalin-fixed, paraffin-embedded lymph nodes from patients with reactive follicular hyperplasia or with various types of lymphoma.
(8) 11 patients with a postoperative classification of stage D had additional external beam radiation to the pelvic and paraaortic lymph nodes with shielding of the implanted prostatic region.
(9) Because of these different direct and indirect actions, a sudden cessation of sinus node activity or sudden AV block may result in the diseased heart in a prolonged and even fatal cardiac standstill, especially if the tolerance to ischemia of other organs (notably the brain) is decreased.
(10) Most notably, retroperitoneal lymph nodes in rabbits remained dark blue up to 28 days after hindlimb endolymphatic instillation of liposomal patent blue.
(11) In the dark cortical zone of the nodes (III group) there occur tissue basophils (mast cells), that, together with increasing number of acidophilic granulocytes and appearance of neutrophilic cells, demonstrates that there is an inflammatory reaction in the organ studied as a response to the lymphocytic suspension injected.
(12) In thyroid cancer patients with pulmonary metastasis lymph nodes involvement was found in 62.6%.
(13) There was also no significant correlation when prognostic factors were compared to uptake in the individual organ systems except that T cell disease was associated with a significantly greater propensity for lymph node uptake.
(14) The lymph node cells obtained from the animals 1 day after desensitization were unable to produce MIF in the presence of either antigen.
(15) These patients developed mediastinal lymph node metastasis and died 4 and 11 months after surgery, respectively.
(16) In the univariate life-table analysis, recurrence-free survival was significantly related to age, pTNM category, tumour size, presence of certain growth patterns, tumour necrosis, tumour infiltration in surrounding thyroid tissue and thyroid gland capsule, lymph node metastases, presence of extra-nodal tumour growth and number of positive lymph nodes, whereas only tumour diameter, thyroid gland capsular infiltration and presence of extra-nodal tumour growth remained as significant prognostic factors in the multivariate analysis.
(17) Thorough clinical investigation of the patient revealed sarcoid involvement of the skin, lungs, liver and lymph nodes and an extensive retroperitoneal surgically-verified lymph tumour.
(18) Minimal breast cancer should include lobular carcinoma in situ (lobular neoplasia) and ductal carcinoma in situ regardless of nodal status, and (tentatively) invasive carcinoma smaller than 1 cm in total diameter, if axillary lymph nodes are not involved.
(19) Maximal hyperpolarizations (approximately or equal to 24 mV for sinoatrial node; 26 mV for atrioventricular node) were reached about 500 msec after initiation of the vagal train.
(20) Additionally, lymph node cells were cultured under limiting dilution conditions, and the resultant clones here tested for cytotoxicity in the presence or absence of antibodies against Ly2 and LFA-1.
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.