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occlusion Definition

oc·clu·sion (ə klo̵̅o̅′z̸hən)

noun

  1. an occluding or being occluded
  2. Dentistry the fitting together of the upper and lower teeth, or the way in which these fit together when the jaws are closed
  3. Meteorol. occluded front
  4. Phonet. the complete closing of the air passages in pronunciation, as of a stop

occlusion Related Forms
oc·clu′·sive adjective
occlusion Usage Examples

Preposition: of

  • artery: The occlusion of the artery prevents blood flow from contributing to the measured pressures.
  • vessel: The procedure which is non surgical involves the occlusion of blood vessels supplying uterine fibroids.
  • eye: A further cause of failure to drain urine is occlusion of the drainage eyes of the catheter by the bladder mucosa.

Converse of object

  • prevent: Is there anything that can be done to prevent a retinal vessel occlusion?
  • cause: The increased pressure in the globe can cause central artery occlusion.
  • have: There is no evidence that having a tubal occlusion affects your sex drive.
  • follow: The patient may need to continue using artificial tears following occlusion.

Adjective modifier

  • tubal: The method used for women is called tubal occlusion.
  • retinal: Both types of retinal vessel occlusion cause a painless loss of vision.
  • punctal: In patients with keratoconjunctivitis sicca punctal occlusion reduces corneal surface staining ( Turberville et al, 1982 and Willis et al, 1987 ).
  • arterial: Berridge DC, Kessel D. Fibrinolytic agents for acute arterial occlusion.
  • venous: The veins can be made more prominent by using appropriate means of venous occlusion.
  • vascular: Blood pressure in both arms - unequal blood pressures suggests proximal vascular occlusion.

Modifies a noun

  • therapy: In Nottingham the group treated children who had not had any previous occlusion therapy.
  • technique: This literature review was carried out to identify previous research on the occlusion technique as a measure of the distraction imposed by IVIS.
  • pressure: In most modern pumps the default pressure is limited and there may be a facility to set very low occlusion alarm pressures.

Noun used with modifier

  • artery: In an artery occlusion this loss of vision usually happens very suddenly with little or no warning.
  • vein: Examination The visual acuity is reduced in central retinal vein occlusion.
  • vessel: Both types of retinal vessel occlusion cause a painless loss of vision.
  • graft: Complications occurred within 30 days in 32 patients ( 22 % ) including graft occlusion in three ( 2 % ).