Normal Thyroid
Normal Thyroid

Section shows numerous follicles.
Pink acellular material is colloid.
Lines in colloid are sectioning artifact.
Some follicles show areas where colloid is absent.
Congested blood vessels contain red cells in the center of the image.
(Description By:T.V. Rajan, M.D. )
(Image Contrib. by:T.V. Rajan, M.D. UCHC )