(n.) A union of three; three objects treated as one; a ternary; a trinity; as, a triad of deities.
(n.) A chord of three notes.
(n.) The common chord, consisting of a tone with its third and fifth, with or without the octave.
(n.) An element or radical whose valence is three.
Example Sentences:
(1) The triad of epigastric pain unrelieved by antacids, bilious vomiting, and weight loss, particularly after a gastric operation should make one suspect this syndrome.
(2) The syndrome initially described by Behçet in 1937 comprised the triad of ocular inflammation, oral and genital ulcers.
(3) The diagnostic triad of pneumoperitoneum on x-ray, evidence or history of CMV infection, and AIDS occurred in 70 percent of patients.
(4) The characteristic signs and symptoms represent the triad of a pulsatile mass in the upper part of the abdomen, intermittent hemorrhage in the upper part of the gastrointestinal tract and severe epigastralgia not relieved by antacids.
(5) Cardiac myxomas typically present as a triad of obstructive, embolic, and constitutional symptoms and thus mimic many more common systemic illnesses.
(6) A mother and daughter both presented at age 5 years with the triad of right-sided congenital cholesteatoma, right preauricular pits, and bilateral sensorineural hearing loss.
(7) Traumatic hemobilia is commonly associated with cavitary injuries to the liver, and is classically characterized by a triad of findings: GI bleeding, biliary colic, and jaundice.
(8) The tryptase sequence includes the essential residues of the catalytic triad and an aspartic acid at the base of the putative substrate binding pocket that confers P1 Arg and Lys specificity on tryptic serine proteases.
(9) The authors observed in one child and AGR triad and in two patients deformities of the skeleton of the head and lower extremities.
(10) The prospects of further progress in radiation therapy, based on the triad of patient care, teaching and research, now seem assured.
(11) Dermatopathia pigmentosa reticularis is a rare heritable disorder consisting of a triad of cutaneous findings including reticulate hyperpigmentation, noncicatricial alopecia, and onychodystrophy.
(12) The classical triad of symptoms seen in hemochromatosis (cirrhosis of the liver, diabetes mellitus, and skin pigmentation) are often supplemented by cardiomyopathy.
(13) The clinical history of acute pyelonephritis, avascular mass lesion of the kidney with ipsilateral pleural effusion (triad) seen in a female patient of child-bearing age is characteristic of this condition.
(14) In contrast, changes at Arg-7, Lys-12 and any one proline residue in the triad moderately reduced, and substitution of Lys-19 showed little effect on, activity.
(15) Four of the six patients had a progressive triad of ear pain, facial paralysis, and sensory loss in the second and third divisions of the trigeminal nerve.
(16) Skeletal muscle triads are possessing the whole set of enzymes of the phosphatidylinositol (PI)-linked signal generating pathway, PI-kinase, PI(4)P-kinase, and PI(4,5)P2-phospholipase C (PLC).
(17) In the present experiments, neurons were plated together in close apposition as pairs or as triads, with the tip of one Retzius cell touching the soma of another.
(18) The triad of generalized seborrheic dermatitis, failure to thrive, and diarrhea in an infant should bring to mind Leiner disease or severe combined immunodeficiency disease.
(19) These structures were concentrated in the perinuclear regions of peripheral muscle nuclei and were less abundant about the triad regions.
(20) A liver biopsy was performed in one patient 8 months after total pancreatectomy and islet autotransplantation; numerous clusters of islet cells staining strongly for insulin and glucagon were detected within portal triads on both wedge and needle biopsy specimens.
Triadic
Definition:
(a.) Having the characteristics of a triad; as, boron is triadic.
Example Sentences:
(1) Electron microscope examinations of the developing triadic junction in fibers from leg muscles of fetal and postnatal rats reveal a range of complexity from no structural connections across the space between apposed membranes of T and SR to all of the junctional structures visible in adult rat muscle fibers.
(2) These findings indicate the existence in the cerebral cortex of a triadic circuit involving afferent input both to projection and to local inhibitory neurons, and reciprocal synaptic interactions among these neuronal populations.
(3) Those who insist on working only within dyadic, triadic, or family contexts may fail to achieve desirable goals.
(4) Triadic systems with C and D postsynaptic to V2 were nearly as numerous as those involving V1 in type I glomeruli.
(5) Reconstructions of the dendritic segments postsynaptic to the labeled terminals show that the dendritic appendages receive retinal and parabrachial input in triadic relationships with F2 terminals: a retinal or parabrachial axon contacts the F2 terminal, and the F2 terminal plus the retinal or parabrachial axon contact the dendritic appendage.
(6) Cortical terminals and occasional triadic contacts are evident around 21 weeks.
(7) Certain sequential models of the so-called synaptic triadic arrangements (TSA) occurring in sensory nuclei are analyzed.
(8) his model is consistent with the structural architecture of the triadic junction in which four dihydropyridine receptors (the voltage sensors for E-C coupling) in the t-tubule membrane are closely associated with each ryanodine receptor(the calcium release channel) in the SR membrane [Block, B.
(9) The results (2) confirm the color opponent coding (COC) model which was developed to describe the physiological components of the color vision system in the bee, (3) the general psychophysical assumptions about the structure of the color space, (4) the color difference formula, and (5) the general psychophysical assumptions about the (triadic) structure of judgements as tested in color similarity experiments.
(10) The correlation of these findings with electrophysiologic and behavioral references suggests that some but not all axonal functions may be taken over by the dendrites, that the possible inhibitory phasing of P-cell discharge would appear only after the second postnatal week, and that the triadic arrangement may not be indispensable for brightness or total luminous flux discrimination but could be required for more complex forms of visually guided behavior.
(11) Movements in this triadic organizational relationship are described and analyzed in terms of four conceptual stages--exploration, negotiation, interaction and performance, and termination.
(12) While the pathways for investigating divergent views of the family are clearer for those who chose more quantitative methods (as current literature reflects this tradition), qualitative methods may serve to clarify the process through which divergent views occur and are maintained within the family, both on an individual and on a dyadic or triadic level.
(13) Caffeine-induced Ca2+ release is exhibited by triadic and terminal cisterna SR subfractions but not by light SR. Caffeine specifically increases the rate of unidirectional 45Ca2+ efflux.
(14) Imagination as a mental capacity is part of a line of development that begins in the earliest symbiotic interactions between mother and infant, takes further shape as the child moves from dyadic to triadic relations, and culminates in a fully mature capacity to reflect upon in thought one's wishes and feelings vis-à-vis multiple others.
(15) Finally triadic thought models in psychoanalytic theory will be presented and discussed.
(16) The developing triadic junction shows a progressive increase in complexity of structures within the junction.
(17) Adequate experiences, leading to increasing trust and tolerance of frustration and tension, promote ego structuralization, self-object differentiation, and oedipal, triadic object relations.
(18) This protein has the following characteristics: it exists in 0.1 M KCl as a polymeric substance with an estimated Mr = 123,000 on molecular sieve chromatography and a Mr = 155,000 on sedimentation equilibrium; it promotes the formation of triadic vesicles from isolated organelles in a low ionic strength medium; Both this protein and cacodylate share the property of specifically catalyzing the association and aggregation of junctional proteins which had previously been dissolved by neutral detergent and salt; it appears to be identical to an extrinsic constituent of terminal cisternae, which has been described as a protein of Mr = 34K.
(19) Six alcoholic Korsakoff patients were presented with triadic comparisons composed of names of birds, predators, and birds of prey.
(20) Dyadic and a few triadic couplings are found mainly at the A-I level.