During thyroid hormone secretion A) The follicular cells phagocytize a piece of colloid. B) T₄ and T₃ are removed from thyroglobulin by lysosomal enzymes in the follicular cell; then they diffuse out of the cell and into the blood. C) T₄ and T₃ are secreted by exocytosis of the colloid that has been internalized by the follicular cells. D) The follicular cells phagocytize a piece of colloid, and T₄ and T₃ are removed from thyroglobulin by lysosomal enzymes in the follicular cell; then they diffuse out of the cell and into the blood. E) The follicular cells phagocytize a piece of colloid, and T₄ and T₃ are secreted by exocytosis of the colloid that has been internalized by the follicular cells.

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During thyroid hormone secretion, the follicular cells phagocytize a piece of colloid, and T₄ and T₃ are removed from thyroglobulin by lysosomal enzymes in the follicular cell; then they diffuse out of the cell and into the blood.

During Thyroid Hormone Secretion