BY DEVELOPMENTAL alveologenesis, we mean the formation of mature pulmonary gas-exchange units (alveoli) that occurs during the overall maturation of the organism. Morphometric estimates of the total number of alveoli in humans who died of nonpulmonary causes led to the conclusion that developmental alveologenesis ends at about the eighth postnatal year (6, 8, 26). In this issue of AJP-Lung, Hyd...

Kendaraan bermotor merupakan penyebab utama polusi udarah di perkotaan.Hal ini menyebabakan para pekerja memiliki resiko tinggi terpapar karbon monoksida (CO), nitrogen oksida (NOx), hidrokarbon (HC), Sulfur dioksida (SO2), timbal (Pb) dan (CO) yang terdapat pada asap kendaraan bermotor. Zat toksin tersebut dapat mempengaruhi kadar Hb sebab Kadar berfungsi mengantar oksigen ke seluruh tubuh dim...

The human mammary gland is composed of 15-20 lobes that secrete milk into a branching duct system opening at the nipple. Those lobes are themselves composed of a number of terminal duct lobular units made of secretory alveoli and converging ducts. In mice, a similar architecture is observed at pregnancy in which ducts and alveoli are interspersed within the connective tissue stroma. The mouse m...

the correlation between the bacteriological agent of buffalo pneumonia and its pathologic characteristics were investigated. in the present study, 333 samples of buffalo lungs in iran were studied for pneumonial lesions and evidence of bacterial and viral infection. the type of pneumonia was classified as interstitial, fibrinous or purulent bronchopneumonia and the anatomical location of lesion...

Effects of curettage on the healing pattern extraction wounds and their surrounding structures mandibular canal nerve were observed compared after third molars from dogs, right alveoli having been submitted to a thorough curettage. New bone deposition upper lateral walls was observed, squeezing nerve.

Administration of amphophilic drugs to experimental animals causes formation of myeloid bodies in many cell types, accumulation of foamy macrophages in pulmonary alveoli, and pulmonary alveolar proteinosis. These changes are the result of an interaction between the drugs and phospholipids which leads to an alteration in physicochemical properties of the phospholipids. Impairment of the digestio...

When ventilation is blocked, the lung can protect against the loss of blood oxygenation by activating localized arterial vasoconstriction, reducing blood flow to underventilated regions, and redirecting flow to better-ventilated alveoli. This phenomenon, hypoxic pulmonary vasoconstriction (HPV), preserves the overall efficiency of blood oxygenation, but the mechanism by which the hypoxic signal...

Inhalation anaesthesia may be viewed as the development of a series of tension gradients. The high partial pressures delivered by the anaesthetic apparatus progressively decrease on their passage through the circuit, from circuit to alveoli, from alveoli to bloodstream, and finally from circulation to brain or other tissues. The development of these gradients determines the course of anaesthesi...