What's the difference between occlude and occlusion?

Occlude


Definition:

  • (v. t.) To shut up; to close.
  • (v. t.) To take in and retain; to absorb; -- said especially with respect to gases; as iron, platinum, and palladium occlude large volumes of hydrogen.

Example Sentences:

  • (1) Infarct size is always expressed as a percentage of the perfusion area of the occluded artery.
  • (2) Metoprolol reduced exercise systemic arterial pressures, heart rate and cardiac index, and increased systemic vascular resistance index and pulmonary artery occluded pressure.
  • (3) No animal, however, in the 48-hour group either developed an aneurysm or occluded.
  • (4) All of the above patients had an acute inferior myocardial infarction, and in 10 of the 12 patients with supraventricular arrhythmias and in four of five with sinus dysrhythmias, the origin of the sinus node artery started just after an occluded right coronary or left circumflex artery or was involved in the occlusion.
  • (5) To explore relations between preload, afterload, and stroke volume (SV) in the fetal left ventricle, we instrumented 126-129 days gestation fetal lambs with ascending aortic electromagnetic flow transducers, vascular catheters, and inflatable occluders around the aortic isthmus (n = 8) or descending aorta (n = 7).
  • (6) In the group of 25 patients with critical ischaemia there were three operative deaths and in 10 the graft subsequently occluded, precipitating an amputation.
  • (7) At 10 weeks only the seeded grafts could be assessed because all of the control grafts had occluded.
  • (8) The aim of the present study was to determine whether diltiazem, administered during reperfusion, can improve regional blood flow and lower O2 extraction in the previously occluded region.
  • (9) At operation the superior mesenteric artery was found to be occluded distal to the origin of the middle colic artery.
  • (10) In 12 anaesthetized mongrel dogs, a canine stroke model was produced by occluding the left internal carotid and middle cerebral arteries with aneurysm clips.
  • (11) When left circumflex artery (LCX) was occluded, ST elevation in V4R lead after RCA occlusion was blocked.
  • (12) Spermine potentiation showed fast on-off kinetics, and intracellular spermine, loaded in the recording pipette, did not occlude potentiation by extracellularly applied spermine.
  • (13) A review of these patients' medical records documented that prior hemispheric symptoms referrable to the now occluded internal carotid artery had occurred in five (55%) of the nine patients who were admitted with stroke, five (62%) of the eight patients with a retinal infarct, six (60%) of the 10 patients who were admitted with a transient ischemic attack, all four (100%) patients who were admitted with amaurosis fugax, one (33%) of three patients with nonhemispheric symptoms, and in seven (70%) of the 10 patients who were asymptomatic when the internal carotid artery occlusion was identified angiographically.
  • (14) The device was composed of a standard biopsy brush, protected by a single catheter and occluded with an agar plug.
  • (15) Balloon-occluded arterial infusion with direct hemoperfusion has been performed for head and neck cancers with sufficiently good results.
  • (16) The authors have treated seven patients by using percutaneous placement of a detachable balloon to occlude a pseudoaneurysm of an upper extremity graft.
  • (17) The blanching activities and hence bioavailabilities of the cream, ointment and fatty ointment preparations of Nerisone and Temetex (diflucortolone valerate 0.1%) were evaluated using an occluded and unoccluded blanching assay.
  • (18) Unabsorbed 75SeHCAT was collected after total gut washout, which was administered distal to the occluding balloon.
  • (19) Peripupillary capillary loops are permanently occluded, but in a few cases, recanalization occurs.
  • (20) The stoichiometry of Rb+ occluded per phosphorylation site is 2.

Occlusion


Definition:

  • (n.) The act of occluding, or the state of being occluded.
  • (n.) The transient approximation of the edges of a natural opening; imperforation.

Example Sentences:

  • (1) To quantify the size of the lesion in mice, the area of the infarct on the brain surface was assessed planimetrically 48 h after MCA occlusion by transcardial perfusion of carbon black.
  • (2) It is concluded that acute renal denervation augments the pressure diuresis that follows carotid occlusion.
  • (3) The operative arteriograms confirmed vascular occlusive phenomenon.
  • (4) In our experience DSA is a safe, specific means of following postoperative grafts and diagnosing their occlusion.
  • (5) However in the deciduous teeth from which the successional tooth germs were removed, the processes of tooth resorption was very different in individuals, the difference between tooth resorption in normal occlusal force and in decreased occlusal force was not clear.
  • (6) We reviewed our experience with femorofemoral bypass during the past 10 years to define its role relative to other methods in the treatment of aortoiliac occlusive disease.
  • (7) Plasmin-alpha 2-antiplasmin complex was not detected in any of the subjects after venous occlusion.
  • (8) A retrospective review was undertaken of 127 lower extremity fasciotomies performed for compartment syndrome after acute ischemia and revascularization in 73 patients with vascular trauma and 49 patients with arterial occlusive disease.
  • (9) Patients with inflammatory bowel disease showed decreased tissue-type plasminogen activator antigen release (t-PA Ag), no significant Von Willebrand antigen release (vWF Ag), and a residual plasminogen activator inhibitor activity (PAI activity) after venous occlusion.
  • (10) Atrial extrasystoles and short sequences of atrial tachycardias were observed in most dogs after occlusion.
  • (11) The conus was found to contribute little to forward flow under ordinary circumstances, but its contribution increased greatly during bleeding or partial occlusion of the truncus.
  • (12) Review of the records of five patients with CPSE treated with radiologic occlusion procedures showed that these are suitable alternatives to surgery.
  • (13) A patient with a history of hypertension had a combined central retinal artery and vein occlusion in one eye.
  • (14) The pain response will be significantly better than the dysfunction response when the patient is treated with an occlusal splint.
  • (15) With the teeth in occlusion, lip separation was reduced.
  • (16) The risk of total occlusion and clot formation in the renal artery after subintimal injection is high.
  • (17) Seventy-eight patients presented optochiasmal arachnoiditis: 12 had trigeminal neuralgia; 1, arachnoiditis of the cerebellopontile angle; 6, arachnoiditis of the convex surface of the brain; and 3, the hypertensive hydrocephalic syndrome due to occlusion of the CSF routes.
  • (18) The same dose of clonidine evoked a much larger drop in blood pressure in another group of rats in which an equialent increase in blood pressure was produced by bilateral section of the vagosympathetic trunks and occlusion of both carotid arteries.
  • (19) At autopsy, 3 of the 15 patients who had normal angiograms were found not to have had thrombotic occlusions.
  • (20) Five of the children presented an "aplastic crisis," for example, a sudden decrease in hemoglobin concentration associated with absence of reticulocytes in the peripheral blood, and four were admitted with unremitting severe pain because of a "vaso-occlusive crisis."