(physiology) auriculocarotid

(anatomy) Initialism of anterior cerebral artery. [(anatomy) An artery that arises from the internal carotid artery, forms the anterior portion of the circle of Willis where it is linked to the artery on the opposite side by the anterior communicating artery, and passes on to supply the medial surfaces of the cerebrum.]

(anatomy) Initialism of anterior inferior cerebellar artery. [(anatomy) An artery that arises from the basilar artery either alone or by a common trunk with the labyrinthine artery, divides into branches distributed to the anterior parts of the inferior surface of the cerebellum, and gives off a branch that anastomoses with the posterior inferior cerebellar artery.]

(anatomy) An artery that arises from the internal carotid artery, forms the anterior portion of the circle of Willis where it is linked to the artery on the opposite side by the anterior communicating artery, and passes on to supply the medial surfaces of the cerebrum.

(anatomy) One of the three arteries in the brain that form parts of the circle of Willis; it connects the anterior cerebral arteries.

(anatomy) A single unpaired artery that is formed by the anastomosis of a branch of the vertebral artery on each side and that descends in the anterior median fissure of the spinal cord.

(anatomy) The largest anterior segmental medullary artery in humans, typically arising from a left posterior intercostal artery, which branches from the aorta and supplies the lower two thirds of the spinal cord via the anterior spinal artery.

(anatomy) A small branch of the inferior thyroid artery.

(anatomy) An unpaired artery that is formed by the union of the two vertebral arteries, runs forward within the skull just under the pons, divides into the two posterior cerebral arteries, and supplies the pons, cerebellum, posterior part of the cerebrum, and the inner ear.

(anatomy) carotid

(anatomy) Either of the two main arteries that supply blood to the head of which the left in humans arises from the arch of the aorta and the right by bifurcation of the brachiocephalic artery with each passing up the side of the neck and dividing opposite the upper border of the thyroid cartilage into an external branch supplying the face, tongue, and external parts of the head and an internal branch supplying the brain, eye, and other internal parts of the head.

(anatomy) Synonym of carotid.

(neuroanatomy) Synonym of internal carotid plexus.

(anatomy) A small but richly innervated arterial enlargement that is located near the point in the neck where either carotid artery divides to form its main branches and that functions in the regulation of heart rate and blood pressure.

(anatomy) An unpaired short artery arising from the abdominal aorta just below the diaphragm and dividing almost immediately into the left gastric artery, splenic artery and common hepatic artery.

(anatomy) A branch of the ophthalmic artery that passes to the retina in the middle of the optic nerve and branches to form the arterioles of the retina.

(anatomy) Any of several branches of the basilar and vertebral arteries that supply the cerebellum.

(anatomy) Any of the arteries supplying the cerebral cortex.

(anatomy) Relating to the brain and the kidneys.

(anatomy) Any of the three arteries supplying the neck.

(anatomy) Any of several arteries that arise from the ophthalmic artery or its branches and supply various parts of the eye.

(neuroanatomy) Any of the nerves supplying the iris, ciliary body, cornea, and adjacent parts.

(anatomy) A circle of arteries at the base of the brain that is formed by the cerebral and communicating arteries and is a site of aneurysms.

(anatomy) The part of either carotid artery between its point of origin and its division into the internal and external carotid arteries.

(anatomy) Either of the two large arteries arising from the bifurcation of the abdominal aorta which occurs at the level of the fourth lumbar vertebra.

(anatomy) Any of three arteries in the brain that form parts of the circle of Willis.

(anatomy) Relating to the blood vessels of the head

(anatomy) Either of two arterial branches that supply a large muscle on each side of the head involved in raising the lower jaw and that arise from the cerebral artery supplying the deep structures of the face.

(anatomy) Synonym of dural venous sinus.

(anatomy) Any of numerous venous channels (as the sagittal sinuses, straight sinus, and transverse sinuses) that are situated between the two layers of the dura mater, that have no valves, and that drain blood from the brain and the bones forming the cranium and empty it into the internal jugular vein.

(neuroanatomy) Synonym of vestibulocochlear nerve.

(anatomy) The inner branch of the carotid (artery)

(anatomy) The outer branch of the carotid artery that supplies the face, tongue, and external parts of the head.

(anatomy) The outer branch of the common iliac artery on either side of the body that passes beneath the inguinal ligament to become the femoral artery.

(anatomy) An artery that arises from the external carotid artery just superior to the lingual artery and gives off a number of branches supplying the neck and face.

(anatomy) Synonym of supratrochlear artery.

(anatomy) One of the large arteries supplying blood to the pelvis and legs.

(anatomy) One of two arteries supplying the thyroid gland and nearby structures at the front of the neck that branches from the thyrocervical trunk and that divides to form branches supplying the inferior portion of the thyroid gland and anastomosing with the superior thyroid artery or with a corresponding branch from the opposite side.

(anatomy) The brachiocephalic artery.

(anatomy) Between (or joining) the aorta and the vena cava

(anatomy) Situated between the external and internal carotid arteries.

(anatomy) The inner branch of the carotid artery that supplies the brain, eyes, and other internal structures of the head.

(neuroanatomy) A network of nerves of the sympathetic nervous system surrounding the internal carotid artery.

(anatomy) The inner branch of the common iliac artery on either side of the body.

(anatomy) A vein that collects the blood from the interior of the cranium, the superficial part of the face, and the neck, runs down the neck on the outside of the internal and common carotid arteries, and unites with the subclavian vein to form the brachiocephalic vein.

(anatomy) Within the carotid

(anatomy) Either of two arteries supplying blood to the larynx.

(anatomy) Either of usually two arteries of which one arises from the ophthalmic artery on each side of the optic nerve, passes forward along the optic nerve accompanying the short posterior ciliary arteries, pierces the sclera passing forward on the same side of the eyeball between the sclera and the choroid to the ciliary muscle, and at the junction of the ciliary process and the iris divides into upper and lower branches which anastomose with the branches of the contralateral artery to form a ring of arteries around the iris.

(anatomy) A short venous trunk of the face that is formed by the union of veins from the pterygoid plexus and that joins with the superficial temporal vein to form a vein which contributes to the formation of the external jugular vein.

(anatomy) Any of the several arteries supplying blood to the meninges of the brain and neighboring structures.

(anatomy) An artery that arises from the internal carotid artery, passes along the lateral fissure, and supplies the lateral surfaces of the cerebral cortex.

(anatomy) A branch of the first portion of the maxillary artery that is the largest artery supplying the dura mater, enters the cranium through the foramen spinosum, and divides into anterior and posterior branches in a groove in the greater wing of the sphenoid bone.

(anatomy) An artery that arises from the external carotid artery opposite to the origin of the facial artery, that passes posteriorly to the base of the skull where it turns upward and ascends within the superficial fascia of the scalp, and that supplies or gives off branches supplying structures and especially muscles of the back of the neck and head.

(anatomy) Relating to the eye and the cerebrum.

(anatomy) A branch of the internal carotid artery following the optic nerve through the optic foramen into the orbit and supplying the eye and adjacent structures.

(anatomy) Initialism of posterior cerebral artery. [(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) Around the crypts (small pits or cavities in the body).

(anatomy) Initialism of posterior inferior cerebellar 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) A small branch of the external carotid artery that supplies or gives off branches supplying the back of the ear and the adjacent region of the scalp, the middle ear, tympanic membrane, and mastoid cells.

(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) Downstream of a sinusoid.

That flows in the opposite direction to that of the aorta

(anatomy) Any of 6 to 10 arteries that arise from the ophthalmic artery or its branches, pass to the posterior part of the eyeball while surrounding the optic nerve, and enter or divide into branches entering the sclera to supply the choroid and the ciliary processes.

(anatomy) Relating to a sinus and the aorta

(anatomy) Relating to a sinus and a carotid artery

(anatomy) Synonym of sinoatrial node.

(anatomy) Characteristic of a sinus.

(anatomy) Any of three arteries that supply the spinal cord and its membranes and adjacent structures.

(anatomy) A subclavian part (such as an artery, vein, or nerve).

(anatomy) A paired artery of the upper thorax which passes beneath the clavicle and mainly supplies the upper limb, and continues as the axillary artery at the lateral border of the first rib.

(anatomy) An artery that arises from the basilar artery just before it divides to form the posterior cerebral arteries and supplies or gives off branches supplying the superior part of the cerebellum, midbrain, pineal gland, and choroid plexus of the third ventricle.

(anatomy) The superficial middle cerebral vein.

(anatomy) Any of the three branches of the artery supplying the lateral surfaces of the cerebral cortex.

(neuroanatomy) Synonym of vagus nerve.

(anatomy) Either of two or three arteries supplying the thyroid gland and nearby structures at the front of the neck.

(anatomy) An inconstant branch of the thyrocervical trunk or of the subclavian artery that when present supplies or divides into branches supplying the region at the base of the neck and the muscles of the scapula.

(anatomy) Relating to the abdomen and the limbic system

(anatomy) A large branch of the subclavian artery that ascends through the foramina in the transverse processes of each of the cervical vertebrae except the last one or two, enters the cranium through the foramen magnum, and unites with the corresponding artery of the opposite side to form the basilar artery.

(neuroanatomy) Each of the eighth pair of cranial nerves, transmitting sound and equilibrium (balance) information from the organs of hearing and balance in the inner ear to the brain.

(anatomy) A branch of the maxillary artery passing through the pterygoid canal of the sphenoid bone.

(neuroanatomy) Synonym of nerve of the pterygoid canal.