FOLLICLE

Pronunciation (US): (GB):

Meaning:

Any small spherical group of cells containing a cavity

Classified under:

Nouns denoting body parts

Hypernyms ("follicle" is a kind of...):

cyst; vesicle (a small anatomically normal sac or bladderlike structure (especially one containing fluid))

Hyponyms (each of the following is a kind of "follicle"):

hair follicle (a small tubular cavity containing the root of a hair; small muscles and sebaceous glands are associated with them)

Graafian follicle (a vascular body in a mammalian ovary enclosing a developing egg)

Derivation:

follicular (of or relating to or constituting a follicle)

A very rare, locally aggressive, malignant neoplasm of the hair follicle.

(Pilomatrical Carcinoma, NCI Thesaurus)

Morphologically, it displays differentiation towards the matrix and inner sheath of the normal hair follicle and the hair cortex.

(Pilomatricoma, NCI Thesaurus)

Clonal proliferations arising from cutaneous hair follicles composed in part of cells with basaloid cytology that resemble human pilomatrixomas.

(Pilomatrixoma Type of Basaloid Follicular Neoplasm of the Mouse Skin, NCI Thesaurus/MMHCC)

The pineal parenchyma consists of follicles lined by epithelium and enveloped by connective tissues.

(Pineal Parenchyma, NCI Thesaurus)

A mesenchymal neoplasm arising from the pilar sheath of the hair follicle.

(Pilar-Associated Mesenchyme Neoplasm, NCI Thesaurus)

A benign neoplasm characterized by the presence of spindle-shaped fibroblasts surrounding the hair follicle.

(Perifollicular Fibroma, NCI Thesaurus)

Painful sensation in one side of the abdomen between menstrual cycles, around the time of the discharge of the ovum from the ovarian follicle.

(Ovulation Pain, NCI Thesaurus)

Occasionally the cells are arranged in follicles.

(Parathyroid Gland Chief Cell, NCI Thesaurus)

A follicle believed to be formed by degeneration of suppressed chief cells.

(Parathyroid Gland Follicle, NCI Thesaurus)

CCL18 allele may also be involved in B cell migration into lymph node follicles as well as humoral and cell-mediated immunity.

(CCL18 wt Allele, NCI Thesaurus)