(n.) One of two straps, chains, or ropes of a harness, extending from the collar or breastplate to a whiffletree attached to a vehicle or thing to be drawn; a tug.
(v. t.) A mark left by anything passing; a track; a path; a course; a footprint; a vestige; as, the trace of a carriage or sled; the trace of a deer; a sinuous trace.
(v. t.) A very small quantity of an element or compound in a given substance, especially when so small that the amount is not quantitatively determined in an analysis; -- hence, in stating an analysis, often contracted to tr.
(v. t.) A mark, impression, or visible appearance of anything left when the thing itself no longer exists; remains; token; vestige.
(v. t.) The intersection of a plane of projection, or an original plane, with a coordinate plane.
(v. t.) The ground plan of a work or works.
(v. t.) To mark out; to draw or delineate with marks; especially, to copy, as a drawing or engraving, by following the lines and marking them on a sheet superimposed, through which they appear; as, to trace a figure or an outline; a traced drawing.
(v. t.) To follow by some mark that has been left by a person or thing which has preceded; to follow by footsteps, tracks, or tokens.
(v. t.) Hence, to follow the trace or track of.
(v. t.) To copy; to imitate.
(v. t.) To walk over; to pass through; to traverse.
(v. i.) To walk; to go; to travel.
Example Sentences:
(1) Glyceryl p-aminobenzoate and amyl p-dimethyl-aminobenzoate were labeled on 1 and 3 sunscreens, respectively, but glyceryl p-aminobenzoate was not found in any of them and only traces of amyl p-dimethylaminobenzoate were found in 1 sunscreen.
(2) Throughout the entire cultivation cytidyl derivatives occurred in trace quantities.
(3) persisted and was more abnormal in 23% of the cases including specific tracings in 37%.
(4) Traces of the sulphoxide of butylmercapturic acid have been found in rat urine but not in rabbit urine.
(5) No 7 beta-hydroxysteroid dehydrogenase activity and only a trace of 7 alpha-hydroxysteroid dehydrogenase activity could be demonstrated when bile acid was deleted from the growth medium.
(6) Silicon, a relatively unknown trace element in nutritional research, has been uniquely localized in active calcification sites in young bone.
(7) Although various micronutrients (vitamins and trace elements) have also been found to have either a positive or negative association, findings were more clear-cut for the different food items contributing the micronutrients than for the specific micronutrients themselves.
(8) Methods used in tracing and improving cooperation of subjects are described.
(9) Her black persona unravelled this week when Ruthanne and Larry Dolezal, a couple named on her Montana birth certificate as her biological parents, told Spokane’s KREM 2 News that her ancestry was German and Czech, with traces of Native American.
(10) they are shown to inhibit in vitro the release of iron from acidified host cell cytosol, consisting mostly of hemoglobin, a process that could provide this trace element to the parasite.
(11) Thus, the carotid pulse tracing provides an accurate reproduction of the morphology of the pressure tracing recorded from the ascending aorta, and when calibrated by peripheral blood pressure measurement, it can be used to calculate LV pressure throughout ejection.
(12) Mutant C grew anaerobically in the light, whereas mutant G1 was light sensitive and produced only trace amounts of bacteriochlorophyll a (0.6 mumole per ml of protein).
(13) The effect was shown to be due to caldesmon and not to a trace contaminant by its full reversibility after addition of a monospecific caldesmon antibody.
(14) Of 15 organochlorine compounds analyzed, trace amounts mainly of p,p-DDE and polychlorinated biphenyls (PCBs) were detected, but could not be quantitated.
(15) Fifty physiologically characterized units were injected with horseradish peroxidase (HRP) or Lucifer yellow CH (LY) and their processes were traced to the crista.
(16) Polysomnography has revealed that this drug has several interesting qualities that benzodiazepines do not possess: stages 3-4 increase, stage 2 is unchanged or slightly reduced and no abnormal changes are detected on the EEG tracing.
(17) We find that the labelled cell has a myelinated axon, but that the axon loses its myelin within 50 microns of the soma and has not yet been traced further.
(18) He is likely to propose increased funding of plant disease experts, the stepping up of surveillance at ports of entry and a Europe-wide "plant passport" system to trace the origins of all plants coming into Britain.
(19) In addition, the postulated personality for PD may predispose to hard work, perspiration, and increased exposure to putative trace elements in the water supply.
(20) The voltage trace is then analysed with a piece of transparent paper, on which lines corresponding to solutions of the diffusion equation convert the time axis of the voltage trace into a concentration axis.
Vestigial
Definition:
(a.) Of or pertaining to a vestige or remnant; like a vestige.
Example Sentences:
(1) We describe herein, a new unstable mutant of the vestigial locus, isolated from a French natural population.
(2) The ischiocavernosus and bulbospongiosus muscles are vestigial in the female rat.
(3) Anal transitional epithelium is not highly specialized and incorporates features of both urothelium and squamous epithelium; slight urothelial differentiation is considered vestigial.
(4) The 17-DOS, while a vestigial pathway, may still cause disease, and provide clues to central organization of the adreno-cortical response to injury, stress, and disease.
(5) This leg was connected with two sets of coxae by a irregular-shaped bone considered the vestigial vertebrae and ribs.
(6) Two cases of idiopathic soft tissue calcification occurring in the vestigial fingers of infants with congenital brachydactyly are reported.
(7) The DNA-containing nucleomorph of cryptomonad algae appears to be the vestigial nucleus of such an algal endosymbiont.
(8) The short cysteine-containing motif represented the only evidence of a possible vestigial relationship between SP-40,40 and other complement components.
(9) The protamine-mRNA-coding region is flanked by AACA... TGTT sequences, which might represent vestigial traces of past recombination events and whose presence supports the notion that the protamine gene sequence was of foreign origin.
(10) We present a cyst arising from vestigial thymic remnants in the neck.
(11) The dorsal ommatidia have only four full-length typical cells, and one distal and three vestigial full-length cells.
(12) This is in spite of the lack of flight ability in both mutants, the reduced enzyme activity levels in the alpha-glycerophosphate mutant, and in the case of the vestigial flies, of reduced life-span.
(13) A third type characterized by its vestigial callus was found only in histologic sections.
(14) One patient had a vestigial radial artery that ended as muscular branches in the forearm.
(15) Vestigial mutants however, present several alterations including the absence of the ovoid projection, a fact consistent with the existence of very few marginal bristles.
(16) These data, together with the sequence homologies and identical cofactors and substrates, led us to propose that the AHAS enzymes are descended from pyruvate oxidase (or a similar protein) and, thus, that the flavin requirement of the AHAS enzymes is a vestigial remnant, which may have been conserved to play a structural rather than a chemical function.
(17) Goats with dependent ear types were infested more commonly than those with erect ears; no goats with vestigial ears were found to harbor mites.
(18) The hypothesis predicts that if IL-3 is a significant in vivo regulator of megakaryocyte formation and development, receptor for IL-3 should be present on megakaryocytes and may be vestigially on platelets.
(19) Urogenital cysts are retroperitoneal or mesenteric cysts that are derived from vestigial remnants of the embryonic urogenital apparatus.
(20) The absence of the lower portion of the orbicularis oris muscle, the death of tissue in the infralabial region, as well as the presence of only a vestigial lower lip has hitherto not been reported in the literature.