A projecting ridge or fin on the bottom of the hull of a boat or ship that improves directional control and is often weighted for added stability. 2. The principal structural member of an aircraft, resembling a ship's keel in shape and function.
The outer, reddish region, next to the capsule, is the renal cortex. This surrounds a darker reddish-brown region called the renal medulla. The renal medulla consists of a series of renal pyramids, which appear striated because they contain straight tubular structures and blood vessels.
2 Figure 27.2Illustration of the kidney (in frontal section) showing general structures. Kidney Anatomy of the KidneyLab Activity 2 - Dissection External Anatomy â¢ Curvatures â The kidney has two major curvatures, a large lateral curvatureand a small medial curvature.The smaller medial curvature has an indented area (notch) called the hilus.idney Anatomy of the KidneyLab Activity 2 - Dissection External Anatomy â¢ Curvatures â The kidney has two major curvatures, a large lateral curvatureand a small medial curvature. The smaller medial curvature has an indented area (notch) called the hilus.