The word "hyaline membrane" is used to describe a thin, glassy-like layer that can be found in the lungs. It is commonly seen in premature babies who are suffering from respiratory distress syndrome. The spelling of this term can be broken down phonetically using the International Phonetic Alphabet (IPA) as follows: /haɪəliːn/ for "hyaline" and /ˈmɛmbrən/ for "membrane." Understanding the phonetic breakdown can help with the pronunciation and spelling of this term, which is important for medical professionals and caregivers who may encounter this condition.
Hyaline membrane refers to a specific medical condition characterized by the formation of a thin, translucent, and glass-like membrane within the air sacs or alveoli of the lungs. This membrane is predominantly composed of a protein substance known as hyaline, hence the term "hyaline membrane."
Typically, the presence of hyaline membranes is observed in newborns, particularly premature infants, during a condition called respiratory distress syndrome (RDS) or infant respiratory distress syndrome (IRDS). The hyaline membrane forms due to the lack or insufficiency of surfactant, a substance responsible for preventing the collapse of the alveoli during expiration. This deficiency frequently occurs in premature infants born before their lungs have fully developed.
The deposition of hyaline membranes impedes the exchange of oxygen and carbon dioxide in the alveoli, leading to severe respiratory difficulties. Affected infants may present with symptoms such as rapid breathing (tachypnea), grunting sounds while breathing, cyanosis (bluish discoloration of the skin), and flaring of the nostrils.
Prompt medical intervention is crucial in managing hyaline membrane disease, with treatment involving the administration of supplemental oxygen, mechanical ventilation, and exogenous surfactant. In severe cases, additional therapies, such as nitric oxide or extracorporeal membrane oxygenation (ECMO), may be necessary.
Overall, hyaline membrane refers to the formation of a protein-based membrane within the lungs, primarily seen in premature infants suffering from respiratory distress syndrome. Early recognition and appropriate medical care are vital in improving outcomes for affected individuals.
• (1) The thin, transparent membrane beneath the epithelium of mucous membranes; (2) the membrane contiguous to the outer root-sheath of a hair-follicle.
• Membrana propria.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "hyaline" originated from the Greek word "hyalos", which means "glass" or "transparent". It is derived from the Greek term "hualos", which translates to "transparent stone". The term "membrane" comes from the Latin word "membrana", meaning "a thin layer" or "parchment". Thus, the etymology of the word "hyaline membrane" refers to a transparent and thin layer or membrane.