Fig. 8From: Angiographic anatomy of the extracranial and intracranial portions of the internal carotid arteries in donkeysDorsoventral angiogram of the cerebral arterial circle of a donkey. A peculiar connection is seen (red arrow) from the second curve of sigmoid flexure of the internal carotid artery to the caudal intercarotid artery. 1 internal carotid artery; 2 intercarotid artery; 3 caudal communicating artery; 4 basilar arteryBack to article page