What were some Mayan achievements? The Ancient Mayans developed the science of astronomy, calendar systems, and hieroglyphic writing. They were also known for creating elaborate…
What is Pseudosulcus vocalis? (sū-dō-sŭl’kŭs vō-kā’lis), A groove in the mucous membrane at the free edge of the true vocal fold due to subglottic edema.…