Definition of follicle in English:

follicle

Syllabification: fol·li·cle
Pronunciation: /ˈfälikəl
 
/

noun

  • 1 Anatomy A small secretory cavity, sac, or gland, in particular.
    More example sentences
    • Associated with the follicle are sebaceous glands and the arrector pili smooth muscle fiber bundle.
    • These drugs penetrate the follicle and sebaceous gland well and decrease colonization by P. acnes.
    • Then, a fluidfilled space develops, to form the antrum of a tertiary follicle.
  • 1.1 (also hair follicle) The sheath of cells and connective tissue that surrounds the root of a hair.
    More example sentences
    • But with first-time waxers, the hair follicle is often surrounded by something similar to a whitehead, so when you rip it out it can cause a bit of bleeding.
    • The cells that supply the hair follicle remain active, so the potential for re-growth is always there.
    • Folliculitis presents with a subcorneal pustule in the opening of a hair follicle, with surrounding neutrophilic infiltrate.
  • 1.2 short for Graafian follicle.
    More example sentences
    • In most normal human menstrual cycles only one follicle reaches full maturity, to be released at ovulation, on about day 14.
    • The ovary consists of a cortical zone composed of a specialized stroma, which contains follicles with ova.
    • De Graaf, working without the aid of a microscope, made the error of thinking that the fluid-filled follicles were the ova themselves.
  • 2 Botany A dry fruit that is derived from a single carpel and opens on one side only to release its seeds.
    More example sentences
    • The fruits produced by these partially emasculated flowers were single follicles and contained relatively few seeds.
    • A fruit may consist of a single follicle or two joined follicles.
    • The three fruits that were formed by flowers in the emasculation treatment were single follicles.

Derivatives

follicular

Pronunciation: /fəˈlikyələr/
adjective
More example sentences
  • Evidence suggests the drug will double the re-mission time of patients diagnosed with follicular non-Hodgkin's lymphoma.
  • It also appears that she is meticulously adept at removing unwanted follicular effluents.
  • I set off clubbing in a confident mood, now colour co-ordinated in both the sartorial and follicular departments.

folliculate

Pronunciation: /fəˈlikyələt, -ˌlāt/
adjective
More example sentences
  • This finely folliculate white structure is loosely surrounded by a thin reticulated black epithelium.

folliculated

Pronunciation: /fəˈlikyəˌlātid/
adjective
More example sentences
  • Electrolysis is fairly effective, but it has to be done one hair at a time, and for a large, densely folliculated area, that calculates roughly to eternity.

Origin

late Middle English: from Latin folliculus 'little bag', diminutive of follis 'bellows'.

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