(n.) The posterior pigmented layer of the iris; -- sometimes applied to the whole iris together with the choroid coat.
Example Sentences:
(1) Beta-Glucuronidase activity was higher in the anterior uvea but lower in the corneoscleral tissues.
(2) Phthisical eyes of 2 patients revealed clinically unsuspected, partially necrotic and partially vital malignant melanomas of the uvea and extensive intraocular ossification.
(3) Anterior segment involvement was slight or nonexistent, and damage to the retina and uvea was of a focal rather than of a diffuse nature.
(4) 125I-Albumin permeation was increased in the retina, choroid, and anterior uvea of rats fed 50% galactose for 3 weeks, 3 months, and 8 months versus controls, but was unchanged in the brain.
(5) There is controversy regarding the origin of the pigment-containing epithelioid cells in the uvea of eyes with sympathetic ophthalmia.
(6) In conscious animals 5 pmol kg-1 CGRP caused enhanced leakage from the blood vessels of the ciliary processes in those pre-treated with biperiden in order to abolish the cholinergic vasoconstrictor tone in the anterior uvea.
(7) Detectable mast cells in the anterior uvea of S-Ag-immunized Lewis rats decreased to 60% of control at 6 days postimmunization, recovered to 80% at 10 days, and dropped again to 16% at 13 days, with disease onset around 14 days.
(8) Histopathologic examination disclosed a diffuse malignant melanoma of the uvea, mixed cell type, with multiple cysts of the ciliary epithelium.
(9) Perchlorate (10(-4) M) and iodide (10(-4) or 10(-3) M) had no inhibitory effect while 10(-4) M p-aminohippuric acid had a significant inhibitory effect on the kidney cortex at a concentration of 10(-4) M and on the anterior uvea at 10(-3) M. 4.
(10) In STZ-D rats, 131I-BSA tissue clearance increased significantly (2- to 4-fold) in the anterior uvea, choroid-sclera, retina, sciatic nerve, aorta, new granulation tissue, diaphragm, and kidney but was unchanged in skin, forelimb muscle, and heart.
(11) The authors' results are consistent with the finding in animal experiments that blood flow to the retina, optic nerve, and uvea increases for a short time after oculopression (Jay et al., Acta Ophthalmol.
(12) Melanocytomas are pigmented tumors of the uvea and optic nerve head composed of plump polyhedral melanocytes which have been regarded as nevus cells.
(13) The dedifferentiated tumour in the enucleated eyes spread extensively within the anterior chamber and anterior uvea.
(14) The management of posterior penetrating ocular trauma includes thorough preoperative evaluation and exploration and careful debridement with excision or repositioning of the uvea.
(15) ET-1 also caused vasodilation in the anterior uvea.
(16) However, Ia was expressed in the anterior uvea epithelial cells in all eyes with LPS induced uveitis.
(17) The strongly vascularized anterior uvea is used as a carrier and a connecting link to the immune system.
(18) Thus, the anterior uvea in mammals may be one of the tissues exhibiting a cholinergic vasoconstriction phenomenon, found more commonly in lower vertebrates.
(19) Uvea-retina, synovial membrane, and articular cartilage antigen preparations inhibited the migration of leukocytes from patients with rheumatoid arthritis.
(20) No differences could be asserted in autoantibody frequencies according to disease location within the uvea.
Vascular
Definition:
(a.) Consisting of, or containing, vessels as an essential part of a structure; full of vessels; specifically (Bot.), pertaining to, or containing, special ducts, or tubes, for the circulation of sap.
(a.) Operating by means of, or made up of an arrangement of, vessels; as, the vascular system in animals, including the arteries, veins, capillaries, lacteals, etc.
(a.) Of or pertaining to the vessels of animal and vegetable bodies; as, the vascular functions.
(a.) Of or pertaining to the higher division of plants, that is, the phaenogamous plants, all of which are vascular, in distinction from the cryptogams, which to a large extent are cellular only.
Example Sentences:
(1) Using mini-pigs with an indwelling vascular catheter, the pharmacokinetics of chloramphenicol were investigated in healthy and liver-damaged animals.
(2) The vascular endothelium is capable of regulating tissue perfusion by the release of endothelium-derived relaxing factor to modulate vasomotor tone of the resistance vasculature.
(3) Peripheral vascular surgery has become an increasingly common mode of treatment in non-university, community hospitals in Sweden during the last decade.
(4) This study compared the non-invasive vascular profiles, coagulation tests, and rheological profiles of 46 consecutive cases of low-tension glaucoma with 69 similarly unselected cases of high-tension glaucoma and 47 age-matched controls.
(5) Thus adrenaline, via pre- and post-junctional adrenoceptors, may contribute to enhanced vascular smooth muscle contraction, which most likely is sensitized by the elevated intracellular calcium concentration.
(6) The present study examined whether the lack of chronic hemodynamic effects of ANP in control rats was due to changes in vascular reactivity to the peptide.
(7) Radioligand binding studies revealed the presence of a single class of high-affinity (Kd = 2-6 X 10(-10) M) binding sites for ET-1 in both cells, although the maximal binding capacity of cardiac receptor was about 6- to 12-fold greater than that of vascular receptor.
(8) After vascular injury, smooth muscle cells proliferate, reaching a maximum rate at day 2.
(9) Hexamethonium abolished vasodilatation in the hindquarters vascular bed only.
(10) The fibrous matrix and cartilage formed within the nonunion site transformed to osteoid and bone with increased vascularity.
(11) The operative arteriograms confirmed vascular occlusive phenomenon.
(12) An inverse relationship between the pumping capacity of the heart and vascular resistance was confirmed at different stages of examination and treatment of the patients.
(13) The capillary-adipocyte distances were shorter and the vascularization density was higher in old rats.
(14) When nifedipine was combined with ouabain the elevation of vascular resistance was completely abolished.
(15) 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.
(16) It inhibits platelet and vascular smooth muscle activation by cGMP-dependent attenuation of the agonist-induced rise of intracellular free Ca2+.
(17) Base-line HPV was determined by measuring the change in pulmonary vascular resistance (PVR) while sheep breathed 12% O2 for 7 min.
(18) The chick chorioallantoic membrane (CAM) model was used to study vascular effects of photodynamic therapy (PDT) and hyperthermia (HPT) and the synergism of these modalities.
(19) For obstruction of greater than or equal to 50% of the pulmonary vascular cross-sectional area and pulmonary hypertension thrombolytic therapy should be given and insertion of an inferior caval filter can be considered.
(20) It is concluded that a Na-H antiport system in vascular smooth muscle regulates Na influx rate, contributes to intracellular pH regulation and influences basal levels of Na,K-pump activity.