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).
Hypernephroma or RCC is unique in that intraluminal tumor extends into the renal vein and inferior vena cava and sometimes extends into the right atrium. In such cases, radical nephrectomy and removal of the tumor from the inferior vena cava and right atrium affords the chance of cure.