<unk>  (απο, "away" or "of", and νευρον, "sinew") are membranes separating muscles from each other. They have a shiny, whitish-silvery color, and are histologically similar to tendons, but are very sparingly supplied with blood vessels and nerves. When dissected,<unk>  are papery, and peel off by sections. The primary regions with thick<unk>  is in the ventral abdominal region, the dorsal lumbar region, and in the palmar region.
Aponeurosis
Septo-optic dysplasia
Optic nerve sheath meningioma
Glaucoma
Open-angle glaucoma
Kjer's optic neuropathy
Otosclerosis
Alexander disease