title: The nictitating membranes of primates.
mesh_terms: D000717:Anatomy, Comparative; D000818:Animals; D002356:Cartilage / Q000033:anatomy & histology; D003228:Conjunctiva / Q000033:anatomy & histology; D004547:Elastic Tissue / Q000033:anatomy & histology; D006197:Hair / Q000033:anatomy & histology; D000882:Haplorhini / Q000033:anatomy & histology; D015186:Hominidae / Q000033:anatomy & histology; D008407:Mast Cells; D008543:Melanins / Q000032:analysis; D009130:Muscle, Smooth / Q000033:anatomy & histology; D009132:Muscles / Q000033:anatomy & histology; D009541:Nictitating Membrane / Q000033:anatomy & histology*; D010858:Pigmentation; D011323:Primates / Q000033:anatomy & histology*
chemical_list: D008543:Melanins