(n.) The act of becoming visible; appearance; visibility.
(n.) The thing appearing; a visible object; a form.
(n.) An unexpected, wonderful, or preternatural appearance; a ghost; a specter; a phantom.
(n.) The first appearance of a star or other luminary after having been invisible or obscured; -- opposed to occultation.
Example Sentences:
(1) So Richard arose as himself again, a dreadful apparition cavorting.
(2) It seems to be very likely that the apparition of these secondary tumors is due to the failure of the shole defence systems of the body, favoured by the relative long survical of these patients and the surgical opening of the brain envelops.
(3) (ii) The male liver, offering, an ideal experimental control of "zero" background, we followed-in the liver of male trout--the kinetics of induction of Vg mRNA by hybridization with Vg cDNA, after E2 stimulation, and (iii) the apparition of Vg in the serum by using an original rocket immuno-electrophoretic technique.
(4) The apparition of cyclosporine, immunodepressive drug, has largely improved the organ transplantations.
(5) The BLEL could be considered as the pseudotumoral form of an isolated GS which could be completed after many years with the apparition of auto anti-bodies.
(6) All these factors influence the apparition of adjustment difficulties or disorders.
(7) The diminution of NK activity during the preleukemic period could favour preleukemic cells apparition.
(8) When H antigen is absent on the O red blood cells, there is no apparition of new I and i antigenic sites.
(9) Furthermore, several points deserve attention such as apparition of teeth (21 weeks), calcaneum (24 weeks).
(10) We report a case in which the late apparition of arterial hypertension expressed as an acute aortic coarctation syndrome pointed out the diagnosis.
(11) The phantom kidney is a "kidney-like" apparition which may be seen in dynamic renal scintigraphy typically in post-nephrectomy patients or in patients with unilateral renal agenesis.
(12) A correlation between the ovary stages and apparition, number and ultrastructural aspects (paracrystalline arrangement) of the inclusions is established.
(13) The time of apparition of the first outline, as a derivative of the roof of the third ventricle, was fixed at 3 days.
(14) Signs suggestive of thrombosis were inconsistant and the diagnosis was made on the association of severl of the following features: -- systemic embolism (44%); -- radiographic signs of left ventricular failure (51%); -- absence of opening click, variable A2 -- opening click intervals, apparition or aggravation of a systolic regurgitant murmur or a distolic murmur suggestive of obstruction on the phonocardiogramme; -- delayed opening of the mobile component or the presence of abnormal echos between the ball and anterior cage echo on the echocardiogramme; -- a gradient of over 12 mmHg across the prosthesis.
(15) Among these factors, straw bedding quantity seems to be the more important one: a low quantity of straw, even in herds where prophylaxis against mastitis is largely used (teat dipping, dry cow therapy, disinfection), is a favouring factor for apparition of mastitis just after calving.
(16) The absence of ER in normal skin appendages suggests that its apparition is a feature of specialized differentiation of breast epithelium.
(17) After the apparition of bulbar signs ans cachexia she died at 45.
(18) With early detection, new therapies for the prevention of the disease could be experimented on the higher risk women before the apparition of clinical symptoms or signs.
(19) The hyoid bone plays a role in speech articulation and may have been a factor in its apparition.
(20) Nevertheless, the prolongation of hemodialysis treatment duration over 7 years has led to the apparition of destructive arthropathies which are very painful and handicapping.
Occultation
Definition:
(n.) The hiding of a heavenly body from sight by the intervention of some other of the heavenly bodies; -- applied especially to eclipses of stars and planets by the moon, and to the eclipses of satellites of planets by their primaries.
(n.) Fig.: The state of being occult.
Example Sentences:
(1) Fecal occult blood was positive in 4 patients and fecal leukocytes were positive in one patient.
(2) The present report details an unusual patient with "occult temporal arteritis" who sustained abrupt monocular visual loss and subsequent ipsilateral ophthalmoplegia involving all functions of the oculomotor nerve.
(3) The concept of almost total breast biopsy has great merit in the discovery of occult carcinoma.
(4) Lateral cervical cystic metastases arising from occult thyroid carcinoma and their ultrasonic differentiation from true cysts are discussed.
(5) The procedure may prove useful for detection of occult infections and may provide a new diagnostic approach in fever of unknown origin.
(6) Previous studies suggest that patients who are in clinical remission harbor tumor in multiple occult "sanctuaries."
(7) While occult breast carcinoma was relatively common in our series (two of 17 patients), the ability to detect the tumor with mammography was disappointing (one of two patients).
(8) A clinico-pathological study of 10 cases (including histopathology) indicates that occult cholesteatoma is neither a congenital cholesteatoma nor an epidermoid cyst, originating in the attic through a melaplastic process of middle ear mucosa behind an intact tympanic membrane.
(9) In order to estimate the diagnostic validity of chemical fecal occult blood tests, i.e.
(10) Arm exercise with myocardial scintigraphy may be an effective method of detecting occult ischemia in patients with peripheral vascular disease.
(11) ), the diagnostic significance (occult carcinoma?, parenchymal asymmetry?, benign or malignant microcalcification?)
(12) The importance of recognising occult CO exposure and of treating symptomatic patients promptly cannot be overemphasized.
(13) In contrast to the immunologically-detected fecal occult blood test, the sensitivity and specificity for CR cancers are surprisingly high, the percentage values in using the Shams test having been found to be 100% and 93.1%, respectively (Shamsuddin).
(14) Accordingly, exacerbation of atherogenesis may accompany release of platelet-associated growth factors (or mitogens) occurring in association with occult, repetitive thrombosis and thrombolysis.
(15) It was found that combining faecal occult blood testing with the health check did not reduce attendance at the health check--43.5% of patients attended when the Haemoccult test kit was offered by the nurse at the health check, 43.6% attended when a test kit was included with the invitation to attend the health check and 42.9% attended when the health check invitation was posted on its own.
(16) Gastric antral vascular ectasia ('water melon stomach') is a poorly documented cause of occult upper gastrointestinal blood loss.
(17) Because cavernous malformations are often angiographically occult and do not have a characteristic appearance on computed tomography (CT), they are seldom recognized preoperatively and may be missed if the surgical specimen is not carefully reviewed.
(18) Taken together, these data demonstrate that dental radiography is not efficacious for the purpose of detecting occult lesions.
(19) A forensic autopsy series of 519 women more than 14 years old was studied for prevalence of benign, atypical, and occult malignant breast lesions.
(20) and metoclopramide stimulation have considerable value in identifying hyperprolactinaemic patients with prolactin-secreting adenomas, particularly those which are radiologically occult.