What's the difference between circumvallate and elevation?
Circumvallate
Definition:
(v. t.) To surround with a rampart or wall.
(a.) Surrounded with a wall; inclosed with a rampart.
(a.) Surrounded by a ridge or elevation; as, the circumvallate papillae, near the base of the tongue.
Example Sentences:
(1) Tissue sections, taken from foliate and circumvallate papillae, generally revealed taste buds in which all cells were immunoreactive; however, occasionally some taste buds were found to contain highly reactive individual cells adjacent to non-reactive cells.
(2) Taste buds of the mouse circumvallate papillae were studied by electron microscopy to elucidate the innervation involving the adrenergic nerve supply.
(3) Circumvallate nephro-cystostomy (CNC) provides a subcutaneous connection of a nephrostomy and a cystostomy catheter thus allowing spontaneous micturition.
(4) Injections into the circumvallate papilla also have demonstrated that the parasympathetic neurons innervating von Ebner's glands are located in the inferior salivatory nucleus.
(5) Small tubulo-alveolar salivary glands, the von Ebner's glands, are located beneath the circumvallate and the foliate papillae.
(6) NSE-positive fibers then penetrated the epithelium as isolated fibers, primarily in the foliate and circumvallate papillae, or as brush-shaped units formed by a multitude of fibers, especially in the fungiform papillae and in the apical epithelium of the circumvallate papilla.
(7) On the 4th week following either operative procedure, few taste buds persisted on the circumvallate papillae.
(8) They were few to moderate in number in the circumvallate papillae.
(9) The circumvallate papillae were found to be richly innervated; the conical and filiform papillae were poorly innervated; and the innervation of the fungiform and lenticular papillae was intermediate.
(10) the filiform, fungiform, foliate and circumvallate papillae.
(11) The single circumvallate papilla and fungiform papillae were initiated during the early part of the 13th day, followed on the 15th day by differentiation of filiform and foliate papillae and raised nodules of lingual tonsilar tissue.
(12) Single umbilical artery was found to coincide with circumvallate placenta, suggesting a common fault in the placentation.
(13) The ChE activity was very marked in the muscle fibres lying in the region of the circumvallate papillae but was less marked in the muscle fibres lying in the region of the filiform and fungiform papillae.
(14) The circumvallate and foliate papillae are characterized not only by their position, but also by presence of several taste buds which open through the external orifice of the gustatory canal into the cavity of the vallum, or furrow, which divides the two folds of the lingual mucosa.
(15) The circumvallate papillae are not fully developed.
(16) Ontogeny of the substance P-like immunoreactive (SPI) structures in the circumvallate papillae of the rat taste buds was examined by means of indirect immunofluorescence method.
(17) alpha-Gustducin messenger RNA is expressed in taste buds of all taste papillae (circumvallate, foliate and fungiform); it is not expressed in non-sensory portions of the tongue, nor is it expressed in the other tissues examined.
(18) Circumvallate placenta, a form of placenta extrachorialis, should be included in the differential diagnosis of vaginal bleeding in the second trimester with a normally implanted placenta.
(19) Labelled fibers innervated the ipsilateral foliate papilla only, but both ipsi-and contralateral sides of the single circumvallate papilla.
(20) This report presents a case of circumvallate placenta diagnosed prenatally by ultrasound.
Elevation
Definition:
(n.) The act of raising from a lower place, condition, or quality to a higher; -- said of material things, persons, the mind, the voice, etc.; as, the elevation of grain; elevation to a throne; elevation of mind, thoughts, or character.
(n.) Condition of being elevated; height; exaltation.
(n.) That which is raised up or elevated; an elevated place or station; as, an elevation of the ground; a hill.
(n.) The distance of a celestial object above the horizon, or the arc of a vertical circle intercepted between it and the horizon; altitude; as, the elevation of the pole, or of a star.
(n.) The angle which the style makes with the substylar line.
(n.) The movement of the axis of a piece in a vertical plane; also, the angle of elevation, that is, the angle between the axis of the piece and the line o/ sight; -- distinguished from direction.
(n.) A geometrical projection of a building, or other object, on a plane perpendicular to the horizon; orthographic projection on a vertical plane; -- called by the ancients the orthography.
Example Sentences:
(1) Similar experimental manipulation has yielded in vitro lines established from avian B-cell lymphomas expressing elevated levels of c-myc or v-rel.
(2) Intestinal dilatation seemed in all cases a response to elevated CO2 only.
(3) Patient plasma samples demonstrated evidence of marked complement activation, with 3-fold elevations of C3a desArg concentrations by the 8th day of therapy.
(4) We conclude that chronic emphysema produced in dogs by aerosol administration of papain results in elevated pulmonary artery pressure, which is characterized pathologically by medial hypertrophy of small pulmonary arteries.
(5) Thus adrenaline, via pre- and post-junctional adrenoceptors, may contribute to enhanced vascular smooth muscle contraction, which most likely is sensitized by the elevated intracellular calcium concentration.
(6) The increase in red blood cell mass was associated with an elevation in erythropoietic stimulatory activity in serum, pleural fluid, and tumor-cyst fluid as determined by the exhypoxic polycythemic mouse assay.
(7) Maximal aberration yields were observed for 2,4-diaminotoluene, 2,6-diaminotoluene and cytosine beta-D-arabinofuranoside from 17 to 21 h, eugenol from 15 to 21 h, cadmium sulfate from 15 to 24 h and 2-aminobiphenyl, from 17 to 24 h. For adriamycin at 1 microM, the % aberrant cells remained elevated throughout the period from 9 to 29 h, while small increases at 0.1 microM ADR were found only at 13 and at 25 h. For most chemicals the maximal aberration yield occurred at a different time for each concentration tested.
(8) Hepatic enzyme elevations were more dramatic after blunt trauma, reflecting greater hepatocellular disruption.
(9) The erythrocyte sedimentation rate is almost always markedly elevated.
(10) Total cholesterol levels are elevated, particularly in hypopituitary women.
(11) In experiments performed to determine whether PtdIns(4,5)P2 hydrolysis induced by TRH may have been caused by the elevation of [Ca2+]i, the following results were obtained: the effect of TRH to decrease the level of PtdIns(4,5)P2 was not reproduced by the calcium ionophore A23187 or by membrane depolarization with 50 mM K+; the calcium antagonist TMB-8 did not inhibit the TRH-induced decrease in PtdIns(4,5)P2; and, most importantly, inhibition by EGTA of the elevation of [Ca2+]i did not inhibit the TRH-induced decrease in PtdIns(4,5)P2.
(12) During capillary growth when endothelial cells (EC) undergo extensive proliferation and migration and pericytes are scarce, hyaluronic acid (HA) levels are elevated.
(13) If tracer is introduced into the carotid artery after osmotic treatment, brain uptake is increased by a net factor of 50 (a factor of 70 due to elevation of PA, multiplied by 7 due to infusion by the carotid route) as compared to uptake by normal, untreated brain with infusion into a peripheral vein.
(14) Beta-galactosidase, beta-n-acetyl-hexosaminidase, and alpha-fucosidase were sensitive indicators and were significantly elevated above control values by day 3 at both doses (P < 0.01).
(15) When irradiated circular DNA, previously nicked by T4 endonuclease V, is briefly exposed to elevated temperature, the DAN becomes susceptible to the action of exonuclease V, and pyrimidine dimers are selectively released.
(16) Finally, it could be observed that elevated osmotic pressures reduced the lysis of isolated secretory granules when bicarbonate ions were present in the incubation medium.
(17) Eight other children (20%) had normal or borderline elevation of CPK-MB fraction and EKG abnormalities combined with abnormal echocardiograms or radionuclide angiograms, and were considered to have sustained cardiac concussion.
(18) Increased iron levels in basal ganglia were generally associated with normal or elevated levels of ferritin immunoreactivity, for example, the substantia nigra in PSP and possibly MSA, and in putamen in MSA.
(19) The only localized tumors known to produce elevation of CEA above the levels observed in non malignant diseases are carcinomas of the large bowel and the pancreas.
(20) In neither case has a significant elevation in inherited genetic effects or cancer been detected in the offspring of exposed individuals.