MEDICAL
RECTUM AND ANUS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The word that means open space inside a hollow tubular structure is ____
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lumen
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serosa
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rugae
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chyme
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Explanation:
Detailed explanation-1: -In biology, a lumen (plural lumina) is the inside space of a tubular structure, such as an artery or intestine. It comes from Latin lumen ‘an opening’.
Detailed explanation-2: -The Endoplasmic Reticulum. The hollow portion of the ER tubules is called the lumen or cisternal space. Ribosomes transfer their newly synthesized proteins into the lumen of the RER where they undergo structural modifications, such as folding or the acquisition of side chains.
Detailed explanation-3: -Each type of vessel has a lumen-a hollow passageway through which blood flows.
There is 1 question to complete.