FOSSA

(Lat.), n. f. Fo2s'sa3. From fodere, to dig. Gr.. poj. Fr., fo e. Ger., Grube, Rhine. It., /. Sp.. fosa. A pit or excavation that is widest at its mouth. Acetabular f. See F. ace tabuli. Amygdaloid f. The rece or excavation between the anterior and posterior pillars of the fauces which contains the tonsil. [L.] Anconeal f. See Olecranon f. Anterior f. of the skull. Lat., /. cranii anterior. Ger., vordere Schadelgrube. One of the three fo ae on the internal surface of the skull. It is formed by the orbital plates of the frontal bones, the cribriform plate of the ethmoid, and the small wing and part of the body of the sphenoid bone. It supports the frontal lobes of the brain. '[C.] Axillary f. Lat.,/. axillar is. Fr., fo e axillaire. See AXILLA (1st def.). Buccal f. Fr., fo e buccale. A f. in the embryo which is bounded by the superior and inferior branches of the facial arches, and terminates in a cul-de-sac which does not connect with the intestinal canal. [L, 158 (a, 29).] Canine f. Lat., U2, blue; U8, lull; U, full; U8, urn; U, like u (German). [s. 99]