(anatomy) A venous sinus of the brain that is located along the line of junction of the falx cerebri and tentorium cerebelli, is formed by the junction of the great cerebral vein and the inferior sagittal sinus, and passes posteriorly to terminate in the confluence of sinuses.

(anatomy) Either of two venous sinuses of the dura mater.

(anatomy) Synonym of dural venous sinus.

(anatomy) Either of two venous sinuses on each side of the base of the brain.

(anatomy) A small cavity or pocket between the lateral walls of the pharynx on each side and the upper part of the larynx.

(anatomy) Alternative spelling of piriform sinus.

(anatomy) A sinus on each side of the brain that is a continuation of the transverse sinus on the same side, follows an S-shaped course to the jugular foramen, and empties into the internal jugular vein.

(anatomy) Synonym of transverse sinus.

Synonym of macronympha

An outpouching of gall bladder mucosa into the gall bladder muscle layer and subserosal tissue, sometimes associated with cholecystitis.