Thyroid epithelial cell

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Section of thyroid gland of sheep. X 160. ("Cubical epithelium" labeled at center left.)

Thyroid epithelial cells (also called follicular cells or principal cells) are cells in the thyroid gland which produce and secrete thyroxine (T4) and triiodothyronine (T3).

They are simple cuboidal epithelium^[1] and are arranged in spherical follicles surrounding colloid.

They have thyrotropin receptors on their surface, which respond to thyroid-stimulating hormone.

[edit] Relationship to other cell types

Calcitonin-producing parafollicular cells (C cells) can be found scattered along the basement membrane of the thyroid epithelium.

[edit] References

1. ^ Histology at USC end/c_26

[edit] External links

• Anatomy Atlases - Microscopic Anatomy, plate 15.287
• Histology at BU 14302loa

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