Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Anatomy A crest or ridge, as on the top of a bone.
  • noun Biology One of the inward projections or folds of the inner membrane of a mitochondrion.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The internal compartments formed by the inner membrane of a mitochondrion, where many chemical reactions take place.

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Latin; see sker- in Indo-European roots.]

Examples

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