Thyroid black outline icon
Butterfly shaped thyroid gland with two lobes wrapped around a ringed trachea
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About the Thyroid black outline icon
Two rounded lobes sit either side of a segmented windpipe and join at a narrow isthmus, forming the butterfly outline of the thyroid gland. Short curved dashes across each lobe suggest follicular tissue. Built for endocrinology clinic pages, hormone and metabolism explainers, medical school slide decks, lab test result screens and patient education leaflets on hypothyroidism.
The trachea runs the full height of the frame with evenly spaced cartilage rings, and the lobes are widest at the top third, matching real anatomical proportion. It pairs with kidney, liver and adrenal gland icons. Use it at 48 px or larger so the tissue dashes stay distinct.
This is the black outline version of the thyroid icon: even, monoline strokes that stay crisp at small sizes and suit clean, minimal interfaces, wireframes and light backgrounds.
Get it free as an SVG vector or transparent PNG (16-512px), copy the SVG code, or restyle it in the free online editor — recolor any part, add gold, neon or gradient effects, animate it, or export EPS, PDF and DXF.
Free for personal and commercial use with attribution.
