either of a pair of membrane bones forming, by their union at the sagittal suture, part of the sides and top of the skull.
either of the two bones forming part of the roof and sides of the skull
parietal bone n.
Either of two irregularly quadrilateral bones between the frontal and occipital bones that together form the sides and top of the skull.
noun, Anatomy. 1. any of the cells in the mucous membranes of the stomach that secrete hydrochloric acid. noun 1. any one of the cells in the lining of the stomach that produce hydrochloric acid parietal cell n. A cell of the gastric glands that secretes hydrochloric acid. Also called acid cell, oxyntic cell.
- Parietal emissary vein
parietal emissary vein n. A vein that connects the superior sagittal sinus with tributaries of the superficial temporal vein and with other scalp veins.
- Parietal endocarditis
parietal endocarditis n. See mural endocarditis.
noun 1. Zoology. a median outgrowth of the diencephalon anterior to the pineal apparatus, having visual adaptations in many anamniotes and lizards.