Alternative form of post-traumatic stress disorder

Alternative form of post horn

plural of post-horn

A species of possum, Trichosurus arnhemensis, endemic to northern Australia; sometimes considered a subspecies of the brushtail possum, Trichosurus vulpecula.

(Australian rules football) One of a pair of shorter outer posts at either end of the field; a ball kicked between a behind post and a goal post scores one point.

(anatomy) An artery that arises by the terminal forking of the basilar artery where it forms the posterior portion of the circle of Willis and passes on to supply the lower surfaces of the temporal and occipital lobes.

(anatomy) Either of two arteries that occur one on each side of the circle of Willis and connect an internal carotid artery with a posterior cerebral artery.

(anatomy) An artery that usually branches from the vertebral artery below its junction with the contralateral vertebral artery to form the basilar artery and that supplies much of the medulla oblongata, the inferior portion of the cerebellum, and part of the floor of the fourth ventricle.

(anatomy) Either of two arteries of which one arises from a vertebral artery on each side below the level at which the corresponding branch of the anterior spinal artery arises and which descend on the posterior lateral surface of the spinal cord along a line passing close to the entrance of the dorsal roots to the spinal cord.

(anatomy) A branch of the maxillary artery that supplies the upper molar and bicuspid teeth.