Embryonic Structure
limb bud
limb bud
Subclass of:
Embryonic Structures
Definitions related to limb buds:
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Outgrowths of ectoderm and mesoderm from the embryonic trunk, generally forming during gestational week four, that will eventually form the paired upper and lower limbs.NCI ThesaurusU.S. National Cancer Institute, 2021
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Distinct regions of mesenchymal outgrowth at both flanks of an embryo during the SOMITE period. Limb buds, covered by ECTODERM, give rise to forelimb, hindlimb, and eventual functional limb structures. Limb bud cultures are used to study CELL DIFFERENTIATION; ORGANOGENESIS; and MORPHOGENESIS.NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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