Examlex
Describe the relationship between the Estimated Average Requirements (EAR)and the Recommended Dietary Allowances (RDA)for nutrient intake. Why are the RDA levels set higher than those of the EAR?
Auditory Tube
A tube that connects the middle ear to the nasopharynx, helping to equalize pressure on both sides of the eardrum.
Membranous Labyrinth
A network of fluid-filled passages and sacs within the inner ear, involved in hearing and balance.
External Acoustic Meatus
The canal leading from the outer ear to the eardrum, facilitating the conduction of sound waves.
Bony Labyrinth
The rigid, bone-encased passageways in the inner ear that are filled with fluid and contain structures essential for hearing and balance.
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