Kidney Structure Bbc Bitesize. The bbc is not responsible for the content. Branches of the renal artery form tiny capillaries.
In the concave side there is a depression in the middle point which is called as hilum or hilus. The capillary entering the glomerulus is wider than the capillary leaving it. This capsule maintains the kidneys shape and protects the inner tissues.
A thin connective tissue called the renal capsule surrounds each kidney.
Branches of the renal artery form tiny capillaries. There are one million of these in each kidney. A thin connective tissue called the renal capsule surrounds each kidney. This capsule maintains the kidneys shape and protects the inner tissues.