Examlex
Monopolies that exist because economies of scale create a barrier to entry are called natural monopolies.
Rectum
The final section of the large intestine, terminating at the anus, where feces are stored before expulsion.
Colon
A part of the large intestine that absorbs water and salts from food remnants, turning them into solid waste for excretion.
Ultrasound
The noninvasive therapeutic or diagnostic use of very high frequency sound waves for examination of internal body structures.
High-Frequency Sound Waves
Sound waves with frequencies higher than those audible to humans, used particularly in medical imaging and diagnostics.
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