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Red arrows indicate secreted lamellar bodies, and green arrows indicate lamellar bodies in the cytoplasm. Scale bar = 200 nm. In cell biology, lamellar bodies (otherwise known as lamellar granules, membrane-coating granules (MCGs), keratinosomes or Odland bodies) are secretory organelles found in type II alveolar cells in the lungs, and in keratinocytes in the skin.
The Pacinian corpuscle (also lamellar corpuscle, or Vater-Pacini corpuscle) [1] is a low-threshold mechanoreceptor responsive to vibration or pressure, found in the skin and other internal organs. [2] In the skin it is one of the four main types of cutaneous receptors.
A lamella (pl.: lamellae) in biology refers to a thin layer, membrane or plate of tissue. [1] This is a very broad definition, and can refer to many different structures. Any thin layer of organic tissue can be called a lamella and there is a wide array of functions an individual layer can serve.
Similarly to its function in organizing tubular myelin, SP-B arranges lipids into the lamellar body structure. [6] Basically, SP-B plays a role in the organogenesis (formation of structure) of lamellar bodies. The lamellar bodies are then secreted into the fluid lining the interior of alveoli, and become tubular myelin.
Type II cells (granulous pneumocytes) in the alveolar wall contain secretory organelles known as lamellar bodies or lamellar granules, that fuse with the cell membranes and secrete pulmonary surfactant. This surfactant is a film of fatty substances, a group of phospholipids that reduce alveolar surface tension. The phospholipids are stored in ...
An esophageal manometry can help study the muscle function and anatomy of the esophagus and upper stomach. How Is Difficulty Swallowing Treated? “Once the cause is identified, the doctor will ...
A new federal report shows that one drink per day is associated with negative health effects like liver cirrhosis and cancer, while a recent report from the surgeon general highlighted cancer ...
Lamellae on a gecko's foot. In surface anatomy, a lamella is a thin plate-like structure, often one amongst many lamellae very close to one another, with open space between.