lacuna pharyngis


lacuna

 [lah-ku´nah] (L.) 1. a small pit or hollow cavity.2. a defect or gap, as in the field of vision (scotoma). adj., adj lacu´nar.absorption lacuna resorption lacuna.bone lacuna a small cavity within the bone matrix, containing an osteocyte, and from which slender canaliculi radiate and penetrate the adjacent lamellae to anastomose with the canaliculi of neighboring lacunae, thus forming a system of cavities interconnected by minute canals.cartilage lacuna any of the small cavities within the cartilage matrix, containing a chondrocyte.Howship's lacuna resorption lacuna.intervillous lacuna one of the spaces of the placenta occupied by maternal blood, into which the fetal villi project.osseous lacuna bone lacuna.lacuna pharyn´gis a depression of the pharyngeal end of the eustachian tube.resorption lacuna a pit or concavity found in bones undergoing resorption, frequently containing osteoclasts. Similar lacunae also may be found in eroding surfaces of cementum.

pharyngeal lacuna

a depression near the pharyngeal opening of the pharyngotympanic (auditory) tube. Synonym(s): lacuna pharyngis

lacuna pharyngis

A pit at the pharyngeal end of the eustachian tube.See also: lacuna