Are the Parathyroid Glands Part of the Thyroid?

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What the illustration shows

English poster asks “Are the Parathyroid Glands Part of the Thyroid?” on deep navy. A labeled posterior view shows two pink thyroid lobes with four small gold ovoid parathyroid glands, two on each lobe at slightly different levels, with four leaders ending on the gold glands. Subdued smooth blue-gray posterior soft-tissue context is between the lobes. A lower closeup labels gold parathyroid tissue, its pale separate capsule, and adjacent pink thyroid tissue. Three boxes state separate endocrine glands, most people have four with variable number and position, and PTH helps regulate blood calcium. A qualifier identifies a typical posterior arrangement and simplified illustration not to scale. Gold AllHumanBody.com and full slogan appear below. Gland colors, sizes and textures are illustrative, not clinical localization.

How to interpret this poster

• Typical arrangement only, not exact clinical localization or a surgery map; no claim that everyone has four glands or identical positions.
• AI-assisted educational illustration; not physician certification, microscopy, a diagnosis or individualized medical advice.
• Fine annotations need enlargement; the full description provides an accessible text alternative.
• Display the full uncropped illustration; do not trim titles, legends or boundary annotations.

AI-assisted educational illustration, adapted into web-sized images without changing its composition. This is general education, not an individual diagnosis or treatment recommendation.

EVIDENCE / CONTEXT

Sources and what they support

1. OpenStax anatomy textbook ↗

   Typical posterior location, separate capsule, usually four and PTH-producing chief cells.

2. Elsevier Complete Anatomy ↗

   Posterior thyroid association of paired ovoid glands.