(a.) Having the tail nearly or quite symmetrical, the vertebral column terminating near its base; -- opposed to heterocercal.
Example Sentences:
Symmetric
Definition:
(a.) Symmetrical.
Example Sentences:
(1) Bilateral symmetric soft-tissue masses posterior to the glandular tissue with accompanying calcifications should suggest the diagnosis.
(2) In one patient, the pretibial myxedema developed symmetrically half a year after the appearance of endocrine exophthalmos.
(3) A constellation of histologic lesions was identified in brain (diffuse meningoencephalitis with bilaterally symmetrical thalamic necrosis), liver (pericholangiohepatitis), lung (pneumonitis), and spleen (lymphoid hyperplasia); this tetrad is apparently unique to this model system.
(4) For trials in which the target was present in the array, RT functions were roughly symmetric, the shortest RTs being for extreme distractor ratios, and the longest RTs being for arrays in which there were an equal number of each distractor type.
(5) Symmetrical cases (the so-called siamese twins) have an obvious predominance (92.3%).
(6) Sedimentation-velocity experiments indicate the M. elsdenii enzyme (s20,w = 4.95 S) to be essentially globular, while the D. vulgaris enzyme (s20,w = 4.1 S) has a less symmetric shape.
(7) The Soret MCD of the reduced protein is interpreted as th sum of two MCD curves: an intense, asymmetric MCD band very similar to that exhibited by deoxymyoglobin which we assign to paramagnetic high spin cytochrome a3(2+) and a weaker, more symmetric MCD contribution, which is attributed to diamagnetic low spin cytochrome a2+.
(8) In the perineuronal neuropil of large pyramidal neurons (layers V-VI) there appear symmetric synapses with pyramidal cells, dendritic processes and dendritic spines.
(9) After injection of HRP-WGA into the contralateral hippocampus 2% of hilar NPY-i neurons were retrogradely labeled and symmetric NPY-i synapses were found on the cell bodies and dendrites of unstained HRP-WGA labeled neurons.
(10) Pompholyx (Dyshidrosis) is a disease of unknown etiology presenting as symmetrical, vesicular hand and foot dermatitis.
(11) In the degradation reaction, formation of the symmetrically substituted citrate ester of codeine, 1, was found to predominate.
(12) The symmetrical reagent 5,5'-dithiobis-(1-methyltetrazole) activates mitochondrial aldehyde dehydrogenase approximately 4-fold, whereas the smaller related compound methyl l-methyltetrazol-5-yl disulphide is a potent inactivator.
(13) We studied the effect of symmetric, biphasic sinusoidal electromagnetic fields (EMF) (20 Hz, 6 mT) on the differentiation of normal human skin fibroblasts (HH-8), normal human lung fibroblasts (WI38), and SV40-transformed human lung fibroblasts (WI38SV40) in in vitro cultures.
(14) According to X2 (Chi-square) test and asymmetry coefficient (beta 1) it was pointed out that the distribution of menarche in examined schoolgirls was normal and symmetric.
(15) The effect of luminal chloride addition was examined in tubules perfused symmetrically with chloride-free solutions.
(16) Any patient with a fairly symmetrical 'quiet' eye disease, especially if congenital, should be suspected of having an hereditary disease--presumably due to a recessive gene, even if the parents are not consanguineous, but possibly due to a mutation which could prove dominant; a search of the literature in such cases is useful.
(17) In all of the old rats, but not in any of the young ones, symmetric high voltage activity was observed in the frontal pole of the cortex.
(18) Flourescence characteristic of indolamine was seen in 5 pairs of symmetric neurons situated in the anterior part of the worm.
(19) The thiocarboxyl group reacts with diaryl disulfides to give an unsymmetrical acyl disulfide in dimethylformamide (DMF) and a symmetrical diacyl disulfide in aqueous DMF.
(20) The authors describe the radiographic appearance and the investigation techniques for circumscript lipoma in the subcutaneous tissue, in the muscles and for a large diffuse symmetric lipomatosis.