(n.) The epithelial lining of the ventricles of the brain and the canal of the spinal cord; endyma; ependymis.
Example Sentences:
(1) A similar gold labelling of organelles was observed in the ependyma and pineal neurons.
(2) The Vn 17 cells showed some similarity to the ultrastructural features of the epemdymal cells of newborn rabbits, suggesting that the target cells for Vn 17 may be cells related to ependyma.
(3) It has been found, that increased transparency of the areas below cerebral ependyma, the lack of cerebral cortex sulci, and imaging of the temporal horns together with internal hydrocephalus in CT scans indicate an active process and are indications to shunting.
(4) We have studied, by electron microscopy, the ultrastructural aspects of secretion (neurosecretion) of the ependyma of the third ventricle of the domestic cat.
(5) Only type I and type III collagens and fibronectin could be demonstrated around the epithelial cells of the ependyma.
(6) TTR was demonstrated diffusely and strongly in the cytoplasm of normal choroid plexus cells, but not in ependyma and other tissues of normal brain.
(7) We found that high levels were exclusively present in the epithelial cells of bile and pancreatic ducts, renal collecting ducts, bronchial epithelia, and brain ependyma.
(8) The importance of ependyma and ventricular phagocytes as a first line of defense against viral invasion of the brain, as well as their role in the pathogenesis of certain virus-related diseases, is suggested by a number of experimental and clinical observations.
(9) The ependyma lining the central canal of the spinal cord of adult males and females monkey, Callithrix jacchus, was examined by scanning and transmission electron microscopy.
(10) At all spinal levels, adrenergic fibers were also observed adjacent to the ependyma dorsal or lateral to the central canal.
(11) The light microscopic changes which occurred in the ependyma and periventricular brain tissue were studied.
(12) The predominant histopathologic change in the brain was a mononuclear cell vasculitis, particularly affecting the hippocampus and the choroid plexus, ependyma, and periventricular areas of the lateral and third ventricles.
(13) The paper concerns the rare supratentorial, intracerebral or convexity cysts in adults having a wall lined with an epithelium resembling ependyma.
(14) Medially, the first zone was comprised of ependyma which surrounded the central canal.
(15) Very high levels of converting enzyme were observed in the ventricular choroid plexus, ependyma of all ventricles and large and medium blood vessels, subfornical organ, and organum vasculosum of the lamina terminalis.
(16) Synapses between supraependymal fibres and ependyma cells have also been found.
(17) It was only in one experimental series that the cell kinds compared were characterized by a similar metabolic response: daily adrenaline injections for two weeks resulted in RNA accumulation both in the oligodendroglia and in the ependyma: besides, in both the kinds of spinal cord cells, no changes in RNA amount was found due to acute hypoxic hypoxia and to 6-mercaptopurine administration.
(18) Posterior to the habenular commissure several small branches run out laterally from the ventral bundles to the basal margin of the ependyma, but not into the habenular commissure.
(19) The plasmalemma of some bulbs is in a synaptic contact with the apical plasmalemma of the ependyma, while other bulbs see to end freely in the ventricle.
(20) More caudally, near the junction of the infundibulum with the brain, GnRH accumulated over the apex of the tuberoinfundibular sulci, with several foci being scattered from this region medially to the ependyma of the third ventricle.
Ventricular
Definition:
(a.) Of or pertaining to a ventricle; bellied.
Example Sentences:
(1) Without medication atypical ventricular tachycardia develops, in the author's opinion, most probably when bradycardia has persisted for a prolonged period.
(2) The extents of phospholipid hydrolysis were relatively low in brain homogenates, synaptic plasma membranes and heart ventricular muscle.
(3) Electrophysiologic studies are indicated in patients with sustained paroxysmal ventricular tachycardia, ventricular fibrillation or aborted sudden death.
(4) Of 19 patients with coronary artery disease and "normal" omnicardiograms, only 8 (42%) had normal ventricular angiography.
(5) A quadripolar catheter was positioned either at the site of earliest ventricular activation during induced monomorphic ventricular tachycardia or at circumscribed areas of the left ventricle.
(6) In patients with coronary artery disease, electrocardiographic signs of left atrial enlargement (LAE-negative P wave deflection greater than or equal to 1 mm2 in lead V1) are associated with increased left ventricular end diastolic pressure (LVEDP).
(7) The clinically normotensive cases had greater left ventricular mass than the normotensive controls (p less than 0.02).
(8) Only the approximately 2.7 kb mRNA species was visualized in Northern blots of total cellular and poly(A+) RNA isolated from cardiac ventricular muscle.
(9) In this paper, we report the cases of 4 male patients (mean age 32.7 yr) with right-ventricular dysplasia, that occurred in familial form.
(10) After 1 year, anesthesia was induced with chloralose and an electrode catheter placed at the right ventricular apex.
(11) The study revealed that hypophysectomy and ventricular injection of AVP dose dependently raised pain threshold and these effects were inhibited by naloxone.
(12) All patients with localized subaortic hypertrophy had left ventricular hypertrophy (left ventricular mass or posterior wall thickness greater than 2 SD from normal) with a normal size cavity due to aortic valve disease (2 patients were also hypertensive).
(13) The first patient, an 82-year-old woman, developed a WPW syndrome suggesting posterior right ventricular preexcitation, a pattern which persisted for four months until her death.
(14) We studied the effects of the localisation and size of ischemic brain infarcts and the influence of potential covariates (gender, age, time since infarction, physical handicap, cognitive impairment, aphasia, cortical atrophy and ventricular size) on 'post-stroke depression'.
(15) Thus, successful thrombolysis decreases the frequency of ventricular ectopic activity and late potentials in the early postinfarction phase.
(16) Ventricular septal defect types were perimembranous (six), malalignment (seven), supracristal (three), midmuscular (one), and inlet (one).
(17) In guinea pig ventricular myocytes, the positive contractile staircase was associated with ascending staircases of both peak systolic and end diastolic [Ca2+]i because of a cumulative increase in diastolic [Ca2+]i.
(18) However, RS-5186 had no significant influence on the incidence of ventricular arrhythmias.
(19) The effects of tachycardia caused by ectopic right or left ventricular stimulation on ventricular recovery potentials were studied in 30 dogs.
(20) Three criteria of fusion ventricular complexes were found to be undiagnostic for right and left ventricular complexes in SVE.