Definition of fibril in English:

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fibril

Pronunciation: /ˈfībrəl/
/ˈfibrəl/

noun

technical
A small or slender fiber: each muscle fiber is subdivided into smaller fibrils
More example sentences
  • As the number of fibrils decreases, it becomes increasingly easier to cut the next fibril because the fibrils carry larger and larger loads.
  • Many such pairs of filaments are bundled together into a structure called a fibril, and groups of fibrils make up a single muscle fiber (cell).
  • The direction of cell growth is determined by the orientation of the cellulose fibrils in the cell wall.

Derivatives

fibrillar

Pronunciation: /-lər/
adjective
Example sentences
  • In particular, the mineral completely encases each fibril, enclosing the fibrillar volume.
  • The reticular, fibrillar and membranous differentiations of mesenchymatous origin become secondarily involved.
  • The single nucleus was oval, with pale chromatin and a large nucleolus rich in fibrillar and granular components.

fibrillary

Pronunciation: /-ˌlerē/
adjective
Example sentences
  • They had ovoid nuclei, a small amount of lightly eosinophilic cytoplasm, and fibrillary cytoplasmic processes.
  • The tumor cells had elongated blunt-ended nuclei and acidophilic fibrillary cytoplasm.
  • Immunotactoid glomerulopathy is one of several renal disorders characterized by the extracellular deposition of nonamyloid fibrillary deposits.

Origin

Mid 17th century: from modern Latin fibrilla, diminutive of Latin fibra (see fiber).

For editors and proofreaders

Syllabification: fi·bril

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