(n.) A curve traced by the end of a string wound upon another curve, or unwound from it; -- called also evolvent. See Evolute.
Example Sentences:
(1) Here we report direct measurements of protein kinase C (PKC) activity in uninduced ectoderm, and in neuroectoderm shortly after induction by the involuting mesoderm, in Xenopus laevis embryos.
(2) The most common type of osteoporosis is involutional, and two subtypes are recognized: type 1 and type 2.
(3) The involution of crown odontoblasts after primary dentinogenesis in teeth of limited eruption is discussed.
(4) The treatment of hemangiomas with X-rays has been sharply criticized because of their tendency to involute spontaneously.
(5) Glands with only slight involution and containing numerous germinal centres were more commonly seen in young female patients.
(6) In conclusion, the association of T4 and iodide seems to be the best way to obtain a rapid and complete involution of thyroid hyperplasia.
(7) Less amount of parenchyma and growth of the stroma in baboons and a greater mitotic complex in rhesus monkeys show more pronounced involution processes in baboons.
(8) Further, CPA is unable to stimulate proliferation or restore the function of the involuted rat prostate.
(9) The MI response was however depressed in both age groups, and the thymus and bursa were involuted.
(10) It is concluded that the acute involution of the thymus in children with non-infectious and acute infectious diseases results in the progressive decrease of the production by the thymus of the immunomodulating polypeptides (thymic hormones) which is restored in the period of recovery.
(11) The involution progress of the tonsil is a shift from immature B- and T cell forms to matured differentiation stages.
(12) The interpretation of aspiration cytologic smears that contain a predominance of follicular components often presents a dilemma to the clinician who is treating a patient who has a dominant thyroid nodule, especially when thyroid-stimulating hormone suppression does not produce any significant involution of the dominant nodule.
(13) The time-courses of the biochemical and histopathological responses suggest that the lipid peroxidation may be an end-result, rather than a cause, of thymic involution and injury to thymic lymphocytes in nickel-treated rats.
(14) We conjecture that postmenopausal and involutional osteoporosis were far advanced before the development of acromegaly, explaining the coexistence of the two conditions.
(15) The myoepithelium of developing, lactating, and involuting mammary gland of the mouse exhibits a high alkaline phosphatase activity.
(16) Both the post-partum involution of the rat uterus and the rapid breakdown of collagen that accompanies it are extensively inhibited by oestrogenic hormones.
(17) These preparations revealed a failure of head involution and the loss or disruption of several head structures, including the salivary glands and the H-piece and ventral arm of the cephalopharyngeal apparatus.
(18) Thereafter, involution still continued and equal diameters for the horns were not found until 5 weeks after parturition.
(19) The enzymes glucose 6-phosphate dehydrogenase, 6-phosphogluconate dehydrogenase, phosphoglucomutase, UDP-glucose pyrophosphorylase, phosphofructokinase, ATP-citrate lyase and acetyl-CoA carboxylase have been assayed in rat mammary glands in various stages of involution after hypophysectomy and weaning.
(20) A total of 101 patients suffering from slowly progressive schizophrenia with hypochondriac symptomatology and a manifestation or a relapse of the disease in the involutional age have been studied.
Inwards
Definition:
(a.) Toward the inside; toward the center or interior; as, to bend a thing inward.
(a.) Into, or toward, the mind or thoughts; inwardly; as, to turn the attention inward.
(adv.) See Inward.
Example Sentences:
(1) The maximum amplitude of the inward Na+ current, normalized by cell capacitance, is about sixfold larger, on the average, in LP lactotropes than in SP lactotropes.
(2) In contrast with oligodendrocytes, [Cl-]i in astrocytes is significantly increased (from 20 to 40 mM) above the equilibrium distribution owing to the activity of an inward directed Cl- pump; this suggests a different mechanism of K+ uptake in these cells.
(3) The differentiated neuroblastoma cell possesses characteristics of an electrically excitable cell and can generate propagated potential spikes in which Ca2+ is the inward charge carrier.
(4) This response seemed to be triggered mainly by the influx of Ca2+ through L-type Ca2+ channel activated by membrane depolarization, which was caused by the ATP-induced inward current.
(5) I have equated nationalism with racism, xenophobia, inward-looking-ness and militarism.
(6) From this, and previous studies indicating a dependency of contraction frequency on the inward verapamil-sensitive Na influx, it is suggested that the drugs modify the automaticity of this preparation by a primary influence on membrane Na exchange.
(7) We used two experimental techniques to study the effect of lidocaine hydrochloride on the early inward transient (sodium) current as it is reflected by the maximum rate of change of action potential phase 0 (Vmax).
(8) Ca2+ inward currents evoked by membrane depolarization have been studied by the intracellular dialysis technique in the somatic membrane of isolated dorsal root ganglion neurones of new-born rats.
(9) Furthermore, clonidine can abolish, in reversible fashion, the acetylcholine-activated inward current determined with patch-clamp.
(10) In the type II response kainate caused prominent inward currents at -60 mV in Na(+)-free, 10 mM-Ca2+ solution.
(11) The kinetics of the membrane current during the anomalous or inward-going rectification of the K current in the egg cell membrane of the starfish Mediaster aequalis were analyzed by voltage clamp.
(12) L-type ICa, an inward-going sustained current, was activated with depolarization more positive than -25 mV.
(13) Displacements of the hair bundle towards the taller stereocilia generated inward-going m-e.t.
(14) At low concentrations, the current-voltage relations are inwardly rectifying, but they become more ohmic if a small amount of divalent cations is added externally.
(15) Divalent cations (2 mM-Ni2+, 1 mM-Ba2+ or 2 mM-Ca2+) reduced only the outward current in the Tris Na(+)-free solution, while in the 150 mM-Na+ solution, they reduced both the inward and outward components of the current which had a reversal potential of around -10 mV.
(16) Large negative-going pulses elicited proportionally larger inward currents that decayed during the pulse with voltage-dependent kinetics.
(17) In the absence of Ca2+ (but with Mg2+ present) the inward current disappeared but a large, inactivating outward current appeared when V greater than 0 mV.
(18) -57 mV) induced a large voltage-dependent inward current which has been identified as the K current through the anomalous rectifier (Ianomal.).
(19) In most cells superfused with 10 mM-Ca2+, a transient inward Ca2+ current was evoked by a step depolarization to potentials more positive than -65 mV from a holding potential of -100 mV.
(20) In the affective realm, the Rorschach scores reflected the predicted decrease in uncontrolled expression of affect, increase in controlled expression of affect, and increase in inwardness.