Birbeck granule

Lan·ger·hans gran·ule

(lahng'ĕr-hahnz), a small, tennis racket-shaped membrane-bound granule with characteristic cross-striated internal ultrastructure; first reported in Langerhans cells of the epidermis.
See also: eosinophilic granuloma. Synonym(s): Birbeck granule
A subcellular particle with a pentalaminar ‘handle’ and bulbous terminal dilatation of uncertain significance that is seen by electron microscopy in the antigen-presenting Langerhans’ cell and in histiocytes

Birbeck,

Michael S., English cancer researcher. Birbeck granule - Synonym(s): Langerhans granule