Pterygial
noun, plural pterygiums, pterygia
[tuh-rij-ee-uh] /təˈrɪdʒ i ə/ (Show IPA). Ophthalmology.
1.
an abnormal triangular mass of thickened conjunctiva extending over the cornea and interfering with vision.
adjective
1.
(zoology) of or relating to a fin or wing
pterygium pte·ryg·i·um (tə-rĭj’ē-əm)
n. pl. pte·ryg·i·ums or pte·ryg·i·a (-ē-ə)
An abnormal mass of tissue arising from the conjunctiva of the inner corner of the eye that obstructs vision by growing over the cornea.
pte·ryg’i·al adj.
Read Also:
- Pterygium
noun, plural pterygiums, pterygia [tuh-rij-ee-uh] /təˈrɪdʒ i ə/ (Show IPA). Ophthalmology. 1. an abnormal triangular mass of thickened conjunctiva extending over the cornea and interfering with vision. pterygium pte·ryg·i·um (tə-rĭj’ē-əm) n. pl. pte·ryg·i·ums or pte·ryg·i·a (-ē-ə) An abnormal mass of tissue arising from the conjunctiva of the inner corner of the eye that obstructs vision […]
- Pterygo-
pterygo- pref. Pterygoid; pterygoid process: pterygomandibular.
- Pterygoid
pterygoid pter·y·goid (těr’ĭ-goid’) adj. Of, relating to, or located in the region of the sphenoid bone. Resembling a wing; winglike. n. Either of two processes descending from the body of the sphenoid bone.
- Pterygoid canal
pterygoid canal n. An opening through the pterygoid process of the sphenoid bone through which an artery, vein, and nerve pass.
- Pterygoid nerve
pterygoid nerve n. Either of two motor branches of the mandibular nerve, designated lateral and medial, supplying the lateral and medial pterygoid muscles.