What's the difference between macula and oval?

Macula


Definition:

  • (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.

Oval


Definition:

  • (a.) Of or pertaining to eggs; done in the egg, or inception; as, oval conceptions.
  • (a.) Having the figure of an egg; oblong and curvilinear, with one end broader than the other, or with both ends of about the same breadth; in popular usage, elliptical.
  • (a.) Broadly elliptical.
  • (n.) A body or figure in the shape of an egg, or popularly, of an ellipse.

Example Sentences:

  • (1) It happens to anyone and everyone and this has been an 11-year battle.” Emergency services were called to the oval about 6.30pm to treat Luke for head injuries, but were unable to revive him.
  • (2) At autopsy, this DOCA-hypertensive rat was found to have a form of hepatitis associated with proliferative activity, i.e., cellular unrest, mitotic figures and oval cell hyperplasia.
  • (3) Facebook Twitter Pinterest Ronald Reagan meeting with Rupert Murdoch in the Oval Office on 18 January 1983.
  • (4) A radical rearrangement of the organism occurred gradually: initially oval in shape, the parasite became round, then elongated, flattened, and underwent cytokinesis.
  • (5) Numerous slender sarcotubules, originating from the A-band side terminal cisternae, extend obliquely or longitudinally and form oval or irregular shaped networks of various sizes in front of the A-band, then become continuous with the tiny mesh (fenestrated collar) in front of the H-band.
  • (6) The nuclei in these typical onocytes appeared oval or spheroid.
  • (7) Afghanistan will be the main item on the agenda at a meeting on Wednesdaybetween Cameron and Barack Obama in the Oval Office on the main day of the visit.
  • (8) They are rounded or oval bodies visible to the naked eye, and situated ventrolaterally in the posterior mesonephros.
  • (9) Small oval cysts (less than or equal to 1 cm) with strong echo were all diagnosed colloid goiter.
  • (10) This model opened possibilities to study the filamentous form of P. ovale in vitro.
  • (11) Electron microscopically, the tumor cell nuclei were oval or polygonal and sometimes slightly invaginated, with a few prominent nucleoli.
  • (12) The proliferation zone is only a few cell rows thick and contains single cells with an oval shape and longitudinal fibrocyte-like nucleus.
  • (13) Furthermore, the long axis of the right and left atria was measured from the center of the apposed atrioventricular valve leaflets to the posterior atrial wall, and the sizes of the atrial chambers were defined using their widths at the prospective broadest points through the area of foramen ovale.
  • (14) The septum primum, as the valve of the foramen ovale, has been previously described as a mobile, echogenic line or dot in the left atrium.
  • (15) The authors described a fluoroscopic method of guiding percutaneous needle penetration of the foramen ovale.
  • (16) "I'm led to believe that Notts County used to play their home games at Trent Bridge, The Oval hosted an FA Cup final and Bramall Lane used to be a cricket ground, but are there any other cricket grounds that have hosted either league or international football matches?"
  • (17) The earliest perfect ring-shaped formation of the foramen ovale is observed in the 7th fetal month and the latest in 3 years after birth.
  • (18) Magnetic resonance revealed oval corresponding hypointense foci both on T1-and T2-weighted images.
  • (19) Arterial oxygen tension was lower in patients with a patent foramen ovale (mean 55 [SD 14] vs 62 [16] mm Hg, p = 0.038).
  • (20) Peripheral blood specimen showed abnormal lymphoid cells with an oval to cleaved nucleus, rather condensed chromatin, occasional prominent nucleolus, and basophilic cytoplasms with vacuoles which seems to be a T-cell counterpart of B-cell chronic lymphocytic leukemia with mixed cell types.