Examlex
Which secretion is a first line of defense against pathogen invasion that involves antibacterial and antifungal fatty acids, as well as lactic acid?
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.
Echoes
The sounds reflected back to the source by an obstruction, helping in determining the location of objects through echolocation or used in diagnostic tools like ultrasounds.
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