An epiretinal membrane is a thin sheet of tissue that can grow on the macula, according to the Eye Institute. It can lead to vision issues due to its film-like consistency. More » Science Human Anatomy

The macula has the highest concentration of cones in the eye. Most of the detailed vision comes through the work of the macula. More » Science Human Anatomy

The macula is a small and highly sensitive part of the retina that is responsible for sharp central vision needed to do daily tasks such as reading, driving and distinguishing colors or details. The macula is about five ... More » Science Human Anatomy
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An epiretinal membrane over the macular area means that scar tissue has developed of the macula of the eye, according to the National Institutes of Health. The macula is the center of the retina and is responsible for th... More » Health Vision

The ventral thecal sac refers to the ventral, or front side of the thecal sac, which is a membrane that surrounds the spinal cord and some cerebrospinal fluid. A diagnosis of spinal injury and disease takes the appearanc... More » Science Human Anatomy

The membrane lining the medullary canal is called the endosteum membrane. It plays an important role in the healing of fractures by creating new cells necessary for the bone to fuse. More » Science Human Anatomy

The earlobe, also called the lobule, is the fleshy lower part of the outer ear that hangs down and is designed to collect sound waves from the air and guide them to the tympanic membrane, more commonly called the eardrum... More » Science Human Anatomy