Coming to "Grps" with Senescence in the Alveolar Epithelium.

07:00 EST 3rd December 2019 | BioPortfolio

Summary of "Coming to "Grps" with Senescence in the Alveolar Epithelium."

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Name: American journal of respiratory and critical care medicine
ISSN: 1535-4970


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Medical and Biotech [MESH] Definitions

The barrier between capillary blood and alveolar air comprising the alveolar EPITHELIUM and capillary ENDOTHELIUM with their adherent BASEMENT MEMBRANE and EPITHELIAL CELL cytoplasm. PULMONARY GAS EXCHANGE occurs across this membrane.

Process by which cells irreversibly stop dividing and enter a state of permanent growth arrest without undergoing CELL DEATH. Senescence can be induced by DNA DAMAGE or other cellular stresses, such as OXIDATIVE STRESS.

A carcinoma thought to be derived from epithelium of terminal bronchioles, in which the neoplastic tissue extends along the alveolar walls and grows in small masses within the alveoli. Involvement may be uniformly diffuse and massive, or nodular, or lobular. The neoplastic cells are cuboidal or columnar and form papillary structures. Mucin may be demonstrated in some of the cells and in the material in the alveoli, which also includes denuded cells. Metastases in regional lymph nodes, and in even more distant sites, are known to occur, but are infrequent. (From Stedman, 25th ed)

Small polyhedral outpouchings along the walls of the alveolar sacs, alveolar ducts and terminal bronchioles through the walls of which gas exchange between alveolar air and pulmonary capillary blood takes place.

The fibrous CONNECTIVE TISSUE surrounding the TOOTH ROOT, separating it from and attaching it to the alveolar bone (ALVEOLAR PROCESS).

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