Takeaway. If swallowing seems like it’s a complicated function, that’s because it is. In fact, it takes approximately 25 pairs of muscles in the mouth, pharynx, larynx, and esophagus to do this.

Pharynx anatomy consists of three key segments: Nasopharynx, the top segment that connects to the nose and allows air to pass through Oropharynx, the middle segment which connects to the mouth and ...

PART 1 Oral cavity, pharynx and esophagus. GI Motility online (2006) doi:10.1038/gimo5 Published 16 May 2006. Anatomy and development of oral cavity and pharynx. Rebecca Z. German, Ph.D. and ...

To evaluate the swallow, it is necessary to understand its anatomy and physiology. The physiology of the oral and pharyngeal swallow can be subdivided into several phases.

The pharynx. This funnel-shaped tube is about 12.5cm long and has three sections – the nasopharynx, just behind the nasal cavities, the oropharynx behind the mouth and the lowest section, the ...

Laccourreye, H. How do I study laryngeal mobility? Ann Otolaryngol Chir Cervicofac 1993;110:234-236 ...

One of the defining characteristics of chordates and other deuterostomes is the presence of gill slits, which first appeared in the acorn worm and persist vestigially in the human embryo. An ...