Lumen (anatomy)
In biology, a lumen (pl.: lumina) is the inside space of a tubular structure, such as an artery or intestine. It comes from Latin lumen 'an opening'.
In biology, a lumen (pl.: lumina) is the inside space of a tubular structure, such as an artery or intestine. It comes from Latin lumen 'an opening'.
In biology, a lumen (pl.: lumina) is the inside space of a tubular structure, such as an artery or intestine. It comes from Latin lumen 'an opening'.
Source: Wikipedia "Lumen (anatomy)" · CC BY-SA 4.0
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