secondary lysosome


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Related to secondary lysosome: primary lysosome

secondary lysosome

n.
A lysosome formed by the combination of a primary lysosome and a phagosome or pinosome and in which lysis takes place through the activity of hydrolytic enzymes.
References in periodicals archive ?
Large secondary lysosomes (1 to 1.5 [micro]m in diameter) also occur in the apical cytoplasm.
The tracers are seen in coated pits, large coated vesicles, apical tubules, pale and dense multivesicular bodies, and secondary lysosomes. The principal cells of the dog epididymis showed coated pits and vesicles, multivesicular bodies, endosomes and lysosomes, that can suggest that are similar to that described by the rat.
Dark burgundy, aqueous fluid (pH 8.0-8.2) was secreted into the sacs by a simple columnar epithelium with extensive rough endoplasmic reticulum and large secondary lysosomes containing lipofuscin and membrane fragments.

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