The termintercostalrefers to the anatomical locationbetween the ribs. "Inter-" means between, and "costal" pertains to the ribs. The intercostal muscles, for example, are muscles located between the ribs that play a key role in the respiratory process by aiding in the expansion and contraction of the thoracic cavity.
References:
Moore, K. L., Dalley, A. F., & Agur, A. M. R. (2013). Clinically Oriented Anatomy (7th ed.). Wolters Kluwer.
Tortora, G. J., & Derrickson, B. (2017).Principles of Anatomy and Physiology (15th ed.). Wiley.
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