Abstract
Editorials1 March 1974The Granular Type II Pneumonocyte and Lung Antioxidant DefenseCARROLL E. CROSS, M.D.CARROLL E. CROSS, M.D.Search for more papers by this authorAuthor, Article, and Disclosure Informationhttps://doi.org/10.7326/0003-4819-80-3-409 SectionsAboutPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinkedInRedditEmail ExcerptTwo cell types predominate in mammalian alveolar epithelium: [1] Type I cells (membranous pneumonocytes), which have a small, nucleated cell body with attenuated peripheral cytoplasm containing a relative paucity of intracytoplasmic organelles, and which cover most of the alveolar surface; and [2] Type II cells (granular pneumonocytes), which are nearly cuboidal with abundant cytoplasmic organelles, including moderate amounts of endoplasmic reticulum, ribosomes, and lamellar inclusions, and which cover areas of the alveolar surface not lined by type I cells. The lamellar inclusions of the type II cells represent sites of synthesis of pulmonary surfactant, the phospholipid-rich substance primarily responsible for...
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
