Failure of Muscles in the Lower Esophagus to Relax

question 220

Multiple Choice

Failure of muscles in the lower esophagus to relax:

• A) achalsia
• B) achalasia
• C) acalasia

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Definitions:

Cadherins

A class of type-1 transmembrane proteins that play important roles in cell adhesion, ensuring cells within tissues are bound together, pivotal in maintaining the structure and function of tissues in multicellular organisms.

Marker Molecules

Biological molecules used to identify or track cells, organs, or other biological substances.

Receptor Proteins

Receptor proteins are molecules on the cell surface or within cells that bind to specific substances and initiate cellular responses.

Peripheral Proteins

Proteins located on the outer surface of the lipid bilayer, involved in a variety of processes including cell signaling.