exophthalmos

n. abnormal protrusion of the eyeball, a condition commonly associated with hyperthyroidism. Exophthalmos combined with a goiter, a swelling in the neck due to an enlarged thyroid gland (exophthalmic goiter), is a prominent feature of Graves’ disease. Exophthalmos may also be the result of a tumor or infection involving the eye. It is often characterized by the appearance of a fixed stare. —exophthalmic adj.

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Psychology term of the day

January 19th 2025

biotope

n. in ecology, a physical region that can be defined by particular environmental characteristics.