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Multiple Choice
In the anatomical position, which membrane is more superficial?
A
Parietal membrane
B
Mucous membrane
C
Visceral membrane
D
Synovial membrane
Verified step by step guidance
1
Understand the anatomical position: The anatomical position refers to the standard posture used in anatomy where the body is upright, facing forward, arms at the sides, and palms facing forward. This helps establish consistent directional terms.
Define the term 'superficial': In anatomy, 'superficial' refers to a structure closer to the surface of the body, while 'deep' refers to a structure further away from the surface.
Review the types of membranes listed: Parietal membrane lines the walls of body cavities, visceral membrane covers organs within those cavities, mucous membrane lines body cavities that open to the exterior, and synovial membrane lines joint cavities.
Compare the locations of the membranes: The parietal membrane is generally more superficial because it lines the walls of cavities, whereas the visceral membrane is deeper as it directly covers organs. Mucous membranes are superficial in areas like the respiratory and digestive tracts, and synovial membranes are located within joints, making them less superficial overall.
Conclude based on anatomical hierarchy: The parietal membrane is considered more superficial compared to the visceral membrane, mucous membrane, and synovial membrane in the context of body cavities.