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Lens (anatomy) print that page


The crystalline lens is a transparent, biconvex structure in the eye that, along with the cornea , helps to refract light to be focused on the retina . The lens, by changing shape, functions to change the focal distance of the eye so that it can focus on objects at various distances

National Center for Biotechnology Information print that page

The National Center for Biotechnology Information ( NCBI ) is part of the United States National Library of Medicine (NLM), a branch of the National Institutes of Health . The NCBI is located in Bethesda, Maryland ( 38°59′42″N 77°05′58″W / 38.994994°N 77.099339°W | 2011/4/21 5:46:03

History of biology print that page


molecular biology 5.3.1 Origins of molecular biology 5.3.2 Expansion of molecular biology 5.4 Biotechnology , genetic engineering

Lens placode print that page

eye/2/ This article was originally based on an entry from a public domain edition of Gray's Anatomy . As such, some of the information contained within it may be outdated. v · d · e Prenatal development / Mammalian development of eye and ear ( GA 10.1002 , TE E5.16 ) | 2011/5/21 4:33:52

Effects of Long-Term Contact Lens Wear on the Cornea print that page


The cornea is the clear, outermost layer of the eye that overlays the anterior chamber , iris , and pupil . It functions primarily as (1) a protective barrier to the rest of the eye by shielding against dust, bacteria, and other foreign agents, and (2) an exterior lens that helps focus entering

Capsule (anatomy) print that page

A capsule , in anatomy , is a cover or envelope partly or wholly surrounding a structure. Types of capsules include: an eggshell Articular capsules - every diarthrodial joint possesses a fibrous or ligamentous capsule, lined with synovial membrane, attached to the adjacent ends of the | 2011/5/22 22:22:38

Medicine print that page


Contemporary medicine applies health science , biomedical research , and medical technology to diagnose and treat injury and disease, typically through medication or surgery , but also through therapies as diverse as psychotherapy , external splints & traction , prostheses , biologics , ionizing

Female ejaculation print that page


and enjoyment of women." [ 14 ] This century saw an increasing understanding of female sexual anatomy and function, [ 15 ] in particular the work of the Bartholin family in Denmark. De Graaf In the 17th century the Dutch anatomist Regnier de Graaf wrote an influential treatise on the

Corrective lens print that page


A corrective lens is a lens worn in front of the eye , mainly used to treat myopia , hyperopia , astigmatism , and presbyopia . Glasses or "spectacles" are worn on the face a short distance in front of the eye. Contact lenses are worn directly on the surface of the eye. Intraocular lenses

Corneal transplantation print that page


as well as scarring due to keratitis and trauma . Tectonic/reconstructive: To preserve corneal anatomy and integrity in patients with stromal thinning and descemetoceles , or to reconstruct the anatomy of the eye, e.g. after corneal perforation . Therapeutic: To remove inflamed corneal