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a winglike structure, especially an abnormal triangular fold of membrane in the interpalpebral fissure, extending from the conjunctiva to the cornea.
pterygium col´li webbed neck.
a congenital, usually bilateral, web or tight band of skin of the neck extending from the acromion to the mastoid process seen in Turner syndrome and Noonan syndrome.
pte·ryg·i·um col·li(tĕr-ijē-ŭm kolī)
Congenital, usually bilateral, web or tight band of skin of the neck extending from acromion to mastoid process.