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).
The renal artery brings blood to the kidney and enters the kidney through the hilus. Within the renal sinus the renal artery branches into segmental arteries. The segmental arteries enter the medulla through the renal columns where the arteries are called the interlobar arteries.he renal artery brings blood to the kidney and enters the kidney through the hilus. Within the renal sinus the renal artery branches into segmental arteries. The segmental arteries enter the medulla through the renal columns where the arteries are called the interlobar arteries.