Anatomy, Head and Neck, Supratrochlear

An anatomical structure resembling a pully is known as a trochlea; is a Greek word, the English meaning of the trochlea is pully.In the human body, many pulley-like structures are known as a trochlea; for example, the medial part of an articular area at the lower end of the humerus is called the trochlea. A ligamentous structure attached to the hyoid bone acts as pully for the digastric muscle. The superior surface of the talus is also known as the trochlear surface.In the ocular orbit, trochlea is a fibrous cartilaginous pully like structure on the nasal aspect of the frontal bone through which superior oblique muscle passes.