Pineal Gland Essentials. 1  Of the endocrine organs, the function of the pineal gland was the last discovered. 2  Located deep in the center of the brain, the pineal gland was once known as the âthird eye.â. 3  The pineal gland produces melatonin, which helps maintain circadian rhythm and regulate reproductive hormones.
View Full Document. 59) Which of the following anatomical terms refers to the ear? a) otic b) orbital c) ocular d) oral e) occipital Answer: a Difficulty: Hard Learning Objective 1: LO 1.5 Describe the anatomical position and how anatomical terms are used to describe the human body.
Not to be confused with the secondary tympanic membrane of the round window. In human anatomy, the eardrum, or tympanic membrane, is a thin, cone-shaped membrane that separates the external ear from the middle ear in humans and other tetrapods.upture or perforation of the eardrum can lead to conductive hearing loss. Collapse or retraction of the eardrum can also cause conductive hearing loss or even cholesteatoma.