Relating to or affected by ectromelia; describing a condition of absent or severely underdeveloped limbs from birth.
From 'ectromelia' + '-an' (relating to); a medical adjective formed to describe the characteristics or occurrence of this severe birth defect.
Ectromelian conditions are rare but devastating, and studying them in animal models has taught us how developmental genes control limb formation—every rare disease tells us something important!
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