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单词 Lamellar granules
释义

Lamellar granules

英语百科

Lamellar granule

 Red arrows indicate secreted lamellar granules, and green arrows indicate lamellar granules in the cytoplasm. Scale bar = 200 nm.

In cell biology, lamellar granules (otherwise known as membrane-coating granules (MCGs), lamellar bodies, keratinosomes or Odland bodies) are secretory organelles found in type II pneumocytes and keratinocytes. They are oblong structures, appearing about 300-400 nm in width and 100-150 nm in length in transmission electron microscopy images. Lamellar granules fuse with the cell membrane and release pulmonary surfactant into the extracellular space.

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