hyaline


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hyaline

 [hi´ah-līn]
glassy; pellucid.
hyaline membrane disease a disorder of newborns, typically preterm, characterized by the formation of a hyalinlike membrane lining the terminal respiratory passages. Newborns with this disease do not secrete adequate quantities of surfactant, which is secreted by the epithelium of the alveoli and normally decreases the surface tension of the fluids lining the alveoli and bronchioles so that air can pass through the fluids and into the alveoli. If the surface tension is not kept low by adequate supplies of surfactant, the alveoli cannot fill with air and there is partial or complete collapse of the lung (atelectasis). Thus the newborn with hyaline membrane disease suffers from respiratory insufficiency with severe dyspnea and cyanosis. The condition is treated with surfactant instillation, oxygen, and positive pressure. See also respiratory distress syndrome of the newborn.

hy·a·line

(hī'ă-lin, -lēn),
Relating to transparent or colorless hyphae or other fungal structures.
Synonym(s): hyaloid
[G. hyalos, glass]

hyaline

/hy·a·line/ (hi´ah-līn) glassy and translucent.

hyaline

(hī′ə-lĭn, -līn′)
n.
Variant of hyalin.

hyaline

[hī′əlin]
Etymology: Gk, hyalos, glass
pertaining to substances that are clear or glasslike.

hy·a·line

(hī'ă-lēn)
Transparent or colorless.
Synonym(s): hyaloid.
[G. hyalos, glass]

hyaline

Translucent or glassy, as in hyaline cartilage. Of amorphous texture.

hyaline

transparent.

hyaline

glassy, translucent appearance

hyaline

glassy; pellucid.

hyaline body
hyaline cartilage
see hyaline cartilage.
hyaline cast
see urinary cast.
hyaline degeneration
see hyaline degeneration.
hyaline globules
composed of fibrin degradation products these contribute to the formation of microthrombi. Called also shock bodies.
hyaline membrane
composed of fibrin and cell debris, this membrane lines the alveoli when there has been severe damage to the alveolar epithelium. See also hyaline membrane (3).
hyaline membrane disease
a disorder of newborn animals, most commonly foals, characterized by the formation of a hyalin-like membrane lining the terminal respiratory passages. Neonates with this disease do not secrete adequate quantities of surfactant, which is secreted by type II alveolar epithelial cells, and decreases the surface tension of the fluids lining the alveoli and bronchioles. When the surface tension is kept low, air can pass through the fluids and into the alveoli. If the surface tension is not decreased by adequate supplies of surfactant, the alveoli cannot fill with air and there is partial or complete collapse of the lung (atelectasis). Thus the foal with hyaline membrane disease suffers from respiratory embarrassment with severe dyspnea. See also neonatal maladjustment syndrome.

Patient discussion about hyaline

Q. HYALINE MEMBRANE DISEASE in pre-mature infants;what are the causes of it in pregnant women?

A. the cause of Hyaline Membrane disease is pre-mature birth. while the fetus develop, about in the 29th week a substance called surfactant is created in the lungs. this substance's function is to change the surface tension of the fluid in the lungs- therefore decreasing it's force. the surface tension tends to shrink the lungs and can cause the lungs to collapse. so a premature baby wouldn't be able to breath properly.

More discussions about hyaline
References in periodicals archive ?
Although it is no longer the most common cause of death in premature infants, about 3% of neonates die of hyaline membrane disease.
The instrument is capable of differentiating erythrocytes, leukocytes, hyaline casts, unclassified casts, epithelial cells, bacteria, yeast, crystals, mucus, sperm, and amorphous substances.
HTT is also mistaken for a medullary carcinoma on cytology owing to its occasional spindle cell morphology, trabecular and dispersed patterns, and hyaline confused with amyloid.
It should also be noted that hyaline membranes can also be superimposed on otherwise typical findings of usual interstitial pneumonia (UIP) or other chronic interstitial lung diseases in what has been termed acute exacerbation.
According to the SEC, neither Meadlin nor Hyaline had acquired a proprietary algorithm; and the stated performance returns were based almost entirely on paper trades without real capital and exaggerated by approximately 20%.
The morphology of the###Hyphae septate while the conidia hyaline, broad-based, one-celled, and smooth- or rough-###Bolus###3
However, this tissue was different from acetabular hyaline cartilage and ligamentum teres of the femur since acetabular cartilage is made up of hyaline cartilage cells, whereas the ligamentum teres of the femur is comprised of fibrous connective tissues.
5 um, thick at the sides, upper cell pore is apical, lower cell pore is near the septum; pedicel elongated, persistent, hyaline, 17.
Hematoxylin eosin examination shows widespread deposition of hyaline material and disruption of the basement membrane.
As an echinoid embryo develops, adjacent blastomeres are linked by adhesive bonds; in many cases, the developing embryo is also surrounded by an extracellular matrix, termed the hyaline layer.
Strain code Microscopic characteristics 1 FGCC/BLS1 Short conidiophores with Chains of single called conidia are produced in besipetal succession specialisedconidiogenous cell called a phailide produced singly in groups or branched metulae, giving a brush like appearance (a Penicillus) 2 FGCC/BLS 3 Chains of single called conidia on long conidiophores, are produced in besipetal succession specialisedconidiogenous cell called a phailideproduced singly in groups or branched metulae, giving a brush like appearance (a penicillin) 3 FGCC/BLS 5 Sub-hyaline to hyaline (dark pigmented/brown), septate hyphae, and produces rather large pyriform to globose shaped pycnidiaPhialides line the interior of each pycnidium, which produce single celled conidia.