keel meaning, keel definition | English Cobuild dictionary. Search also in: Web News Encyclopedia Images. keel. ( keels plural & 3rd person present) ( keeling present participle) ( keeled past tense & past participle ) 1 n-count The keel of a boat is the long, specially shaped piece of wood or steel along the bottom of it.
The segmental arteries divide within the renal sinus to form the interlobar arteries which enter the kidney crossing the space between the calyces and adjacent cortical parenchyma, they continue by the space between pyramids (medulla) and the septa or columns of Bertin (the cortical tissue that surrounds pyramids).
(From Wikipedia). The internal carotid artery passes superiorly from the carotid canal in the base of the skull, emerging via that part of the foramen lacerum which is not occluded by cartilage. The artery of pterygoid canal, the nerve of pterygoid canal and some venous drainage also pass through the foramen lacerum. The ascending pharyngeal artery is one of three possible meningeal branches of this vessel. 2  Lastly, some emissary veins pass through the foramen lacerum. 3  These connect the extracranial pterygoid plexus with the intracranial cavernous sinus and present an unopposed route for infection.