(n.) A spot, as on the skin, or on the surface of the sun or of some other luminous orb.
(n.) A rather large spot or blotch of color.
Example Sentences:
(1) (1) Microdissection of an isolated afferent artery with or without macula densa (MD) has revealed that renin release is regulated by NaCl exposure to MD.
(2) The entire macula utricili had disappeared in 10-week specimens.
(3) The auditory function of the sacculus in amphibians is confirmed and special attention is paid to functional heterogeneity of the receptor epithelium in the saccular maculae.
(4) Resorption of soft drusen at the macula in response to laser photocoagulation has been demonstrated previously.
(5) Careful studies have failed to reveal any cause for this excessive permeability response at the macula or any constantly associated medical abnormality.
(6) Morphometric analyses of the macula densa in streptozotocin diabetic rats have revealed, that the volume density of the large lateral intercellular spaces, which are present in normal animals between the macula densa cells, decreases significantly in magnitude from 8.7 to 1.5% in diabetic animals.
(7) Based on experience from 30 patients the usefulness of high resolution B-scan echography and colour Doppler flow imaging for evaluating lesions of the macula is discussed.
(8) Ophthalmoscopic examination disclosed a single, white, elevated mass lesion surrounded by serous retinal detachment located in the upper part of the macula of the right eye.
(9) One hundred thirty-four consecutive eyes with rhegmatogenous retinal detachment involving the macula were evaluated with reference to the effectiveness of systemic steroids in preventing choroidal detachment after scleral buckling surgery and in facilitating both anatomic and functional success.
(10) A directed flow of calcium to developing otoconia from the supporting cells of the maculae is suggested.
(11) We studied sectioned maculae that were obtained from 41 patients with different genetic forms of RP: autosomal dominant (n = 11); X-linked (n = 9); and simplex (n = 21).
(12) Apart from the typical reticular pattern in the macula there were atrophic areas that could have resulted from progression of the dystrophy.
(13) The subjective signs of the syndrome are floating 'moths', photopsias presenting as a 'lateral lightning', sudden appearance of a central macula (central positive scotoma).
(14) Patients with macular lesions and central scotomata had larger amplitudes than patients with normal appearing maculae and no central scotomata.
(15) Examination showed bilateral serous detachment of the macula.
(16) Each hair cell is additionally polarized (III), in that its kinociliary group is inclined toward the plane of the macula surface, forming an angle of 40-60 degrees with it (Figs.
(17) These results demonstrate that the macula densa basement membrane and matrix material between extraglomerular mesangial cells is permeable to high molecular weight molecules and suggest unhindered diffusion of water and solutes within this area.
(18) An in vitro preparation of the saccular nerve, maintained in parallel, served to indicate the potential neural contribution to overall release from the macula.
(19) The cells are bound by maculae adherentes, zonulae occludentes and desmosome-like structures.
(20) In the distal tubule a macula densa segment was found in all nephrons of the reptilian and mammalian type.
Macule
Definition:
(n.) A spot.
(n.) A blur, or an appearance of a double impression, as when the paper slips a little; a mackle.
(v.) To blur; especially (Print.), to blur or double an impression from type. See Mackle.
Example Sentences:
(1) Three types of lesions were observed: red plaques, pityriasis versicolor (PV)-like macules and plane warts.
(2) The case also showed characteristic palmar melanotic macules.
(3) We report the clinical features, electrophysiologic findings, and dapsone and isoniazid excretion studies in three young people who ingested excessive amounts (2-4 times the prescribed dose) of dapsone for hypopigmented macules and who developed, subacutely, progressive motor neuropathy a few months later.
(4) Nodular lesions were found in three patients, who did not have macules.
(5) A 44-year-old woman was diagnosed as having unilateral multiple progradient pigmented macules and papules of the upper extremity and adjacent part of the back.
(6) The lesions developed as solitary, slowly extending, erythematous macules and plaques, usually occurring on the extremities or the shoulders in adolescents or adults.
(7) An asymptomatic macule or patch may be the first recognizable feature.
(8) We report a case of a 10-month-old male infant with GM1 type 1 gangliosidosis who also had hyperpigmented macules and patches.
(9) In this group, flat melanotic macules around the eyes were located on the opposite parts of the upper and lower eyelids.
(10) Hair cell polarization patterns were investigated on the sensory macule of the sacculus and lagena of the lake whitefish.
(11) Histological examination using serial sections were performed on 47 cases and showed evidence of dermal melanocytosis in 40 cases (85%) consisting of 33 (70%) without clinically detectable macules and 7 (15%) with obvious pigmented macules.
(12) In some HIV-infected patients the cause of the macules might relate to the administration of zidovudine and antifungal or antibacterial drugs.
(13) The skin lesions that are often seen are hypopigmented circular macules, measuring approximately 0.5 cm in diameter.
(14) This disease, which affects children and teenagers, males as well as females, is characterized by pigmented macules 5-25 mm in diameter, affecting the neck, the trunk and the limbs.
(16) Generalized discrete hypopigmented macules forming a camouflage pattern appeared on the skin of a man.
(17) A hypopigmented macule on her face along with neuroimaging studies suggested an inflammatory process.
(18) Photoactivated psoralens were studied in sixty cases of tuberculoid leprosy for the repigmentation of hypopigmented macules.
(19) This article describes the light and electron microscopic studies from a macule and the surrounding lightly hyperpigmented skin of a patient with the Cronkhite-Canada syndrome.
(20) Pigmented macules and plaques in the oral cavity, representing the radial growth phase of tumors, often go unrecognized for months or years before tumor invasion.