What Anatomy Is Labeled as Letter D in the Image

question 8

Multiple Choice

What anatomy is labeled as letter D in the image below?

• A) Lateral epicondyle of the humerus
• B) Medial epicondyle of the humerus
• C) Capitulum
• D) Trochlea

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Definitions:

Pawl

A mechanical component that engages with another component to prevent motion in one direction, or to drive a mechanism intermittently.

Center

The point that is equally distant from all points on the circumference of a circle or the surface of a sphere; in geometry, it's the midpoint of any shape or object.

Balancing Point

The point at which an object is in perfect equilibrium under the influence of gravity and does not tip or rotate.

Lever

A rigid bar resting on a pivot point (fulcrum), used to transmit force and movement, exemplifying the principle of mechanical advantage.