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23 Ιουν 2020 · The pharynx is a membrane-lined cavity behind the nose and mouth, connecting them to the esophagus.It's a cone-shaped passageway leading from the oral and na...
The interior of the pharynx is divided into three parts: the nasopharynx which is located posterior to the nose and superior to the soft palate, the oropharynx which is located posterior to the mouth, and the laryngopharynx which is located posterior to the larynx.
30 Οκτ 2023 · The larynx is a complex hollow structure located in the anterior midline region of the neck. It is anterior to the esophagus and at the level of the third to the sixth cervical vertebrae in its normal position. It consists of a cartilaginous skeleton connected by membranes, ligaments and associated muscles that suspend it from surrounding ...
Now, the esophagus is a fibromuscular tube that extends from the pharynx to the cardiac portion of the stomach. The lumen of the esophagus is lined with stratified squamous epithelium. The food bolus is transmitted through the esophagus via the peristaltic action of the smooth muscle of the esophagus.
The most superficial layer is the endocrine layer which contains the thyroid and parathyroid glands, then there’s the respiratory layer which contains the larynx and trachea and finally, the deepest layer is the alimentary layer which contains the pharynx and esophagus.
30 Οκτ 2023 · The laryngopharynx is the most distal part of the pharynx, connecting the oropharynx to the esophagus. Learn more about its anatomy at Kenhub!
Here’s the trachea, here’s the esophagus, here’s the lower part of the pharynx. To see the larynx from behind, we’ll remove the posterior wall of the pharynx. Here’s the opening of the larynx, the superior laryngeal aperture.
