noun[mass noun] Physiology
A clear substance produced especially by the degeneration of epithelial or connective tissues.
- On their outward-facing surface the cells are attached to an extracellular hyaline layer, which contains the proteins hyalin and echinonectin.
- Hyaline membrane disease - a disease causing respiratory distress usually in premature newborns in which hyalin, a glassy, eosinophilic materia, is seen in the alveoli.
Mid 19th century: via Latin from Greek hualinos, from hualos 'glass'.
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