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 medulla is the innermost part of the kidney. The renal medulla is split up into a number of sections, known as the renal pyramids.Blood enters into the kidney via the renal artery, which then splits up to form the interlobar arteries.he renal medulla is the innermost part of the kidney. The renal medulla is split up into a number of sections, known as the renal pyramids.