Frenulum
Frenulum ( Latin for "ribbon") is a term from anatomy and describes a small fold in the mucous membrane .
A frenulum occurs:
- in the oral cavity as a frenulum linguae , see tongue
- in the oral cavity as lip frenulum on the inside of the upper and lower lip ( frenulum labii superioris or inferioris ), see lip
- in the oral cavity as a cheek frenulum
- on the penis between glans and foreskin ( frenulum praeputii penis ), see penis foreskin
- on the clitoris ( frenulum clitoridis ) between the glans of the clitoris and the foreskin, see clitoris
- at the transition between the ileum (the last section of the small intestine) and the caecum ( appendix ). It is called the ileocaecalis frenulum valvae .
- At the transition between the brain stem and the cerebellum, the attachment of the upper medullary sail ( Frenulum veli medullaris superioris )
- in most butterflies as a bristle on the hind wings in order to couple the two pairs of wings together at the retinaculum during flight ; see frenulum (butterfly)
See also: