What's the difference between appulse and occultation?

Appulse


Definition:

  • (n.) A driving or running towards; approach; impulse; also, the act of striking against.
  • (n.) The near approach of one heavenly body to another, or to the meridian; a coming into conjunction; as, the appulse of the moon to a star, or of a star to the meridian.

Example Sentences:

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.

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