title: Anatomy of the tear system.
mesh_terms: D005128:Eye Diseases / Q000175:diagnosis; D005143:Eyelids / Q000502:physiology; D005154:Facial Nerve / Q000502:physiology; D006801:Humans; D007231:Infant, Newborn; D007765:Lacrimal Apparatus / Q000002:abnormalities / Q000033:anatomy & histology* / Q000196:embryology / Q000294:innervation / Q000378:metabolism / Q000502:physiology; D007767:Lacrimal Duct Obstruction / Q000151:congenital / Q000175:diagnosis / Q000209:etiology; D009077:Mucins / Q000378:metabolism; D009476:Neurons, Efferent; D009801:Oculomotor Muscles / Q000002:abnormalities; D009821:Oils / Q000378:metabolism; D009886:Ophthalmoplegia / Q000151:congenital; D012636:Secretory Rate; D013666:Tears / Q000378:metabolism*
chemical_list: D009077:Mucins; D009821:Oils