Complex sentence: The medial epicondyle of the humerus in humans is larger and more prominent than the lateral epicondyle and is directed slightly more posteriorly in the anatomical position.
Split into simpler sentences: The medial epicondyle of the humerus is an epicondyle of the humerus bone of the upper arm in humans. It is is larger and more prominent than the lateral epicondyle and is directed slightly more posteriorly in the anatomical position.