athyroidism

a·thy·roid·ism

(ā-thī'royd-izm),

Congenital absence of the thyroid gland or suppression or absence of its hormonal secretion. See: hypothyroidism.

Synonym(s): athyrea (2) , athyrosis

athyroidism

(1) Thyroid agenesis, thyroid aplasia. 
(2) Hypothyroidism.

a·thy·roid·ism

(ā-thī'royd-izm)

Congenital absence of the thyroid gland or suppression or absence of its hormonal secretion.
See: hypothyroidism

athyroidism

(a?thi'roy-dizm, a-thi') [ ¹an- + thyroid + -ism]

Suppression of thyroid secretions, or absence of the thyroid gland. See: hypothyroidism