Anatomy, Head and Neck: Larynx - StatPearls - NCBI Bookshelf
2023年9月4日 · The posterior part of the internal space of the larynx is part of the anterior wall of the pharynx and has two vertical recesses referred to as the piriform sinus. The form of the lateral aspects is determined by the larynx cartilage and consists of three parts: a superior one that matches the thyroid cartilage, an inferior one that matches the ...
Larynx: Location, anatomy, function, and more - Medical News Today
2021年3月4日 · The central muscles of the larynx and the posterior cricoarytenoid muscle spread the vocal cords to help maximize the passage of air to and from the lungs.
The Larynx - Cartilages - Muscles - TeachMeAnatomy
2020年12月31日 · Posterior to the larynx is the oesophagus. This is of clinical relevance during emergency intubation – as pressure can be applied to the cricoid cartilage of the larynx to occlude the oesophagus, and thus prevent regurgitation of gastric contents (known as cricoid pressure or Sellick’s manoeuvre).
Posterior cricoarytenoid: origin, insertion and action - Kenhub
2022年12月5日 · Posterior cricoarytenoid is the only laryngeal muscle with the capability of opening the true vocal folds, which is why it is considered to be a main respiratory muscle of the larynx. The posterior cricoarytenoid muscle originates from the posterior surface of the lamina of the cricoid cartilage.
Larynx (Voice Box): Anatomy & Function - Cleveland Clinic
2023年8月23日 · What is the larynx (voice box)? Your larynx is part of your respiratory system. It’s a hollow tube that’s about 4 to 5 centimeters (cm) in length and width. It lets air pass from your throat (pharynx) to your trachea on the way to your lungs. Your larynx is also the reason you’re able to make sounds, so it’s often called your voice box.
Anatomy, Head and Neck, Larynx Vocal Cords
2023年8月7日 · The posterior aspect of the cricoid cartilage, known as the lamina, is much wider than the anterior portion of the cartilage, referred to as the arch of the cricoid. The wider posterior portion serves as a base for the arytenoid cartilages to articulate via a ball and socket joint.
Anatomy, Head and Neck, Larynx Recurrent Laryngeal Nerve
2023年7月24日 · The nerves pass posterior to the cricothyroid joint as they enter the larynx at this level through fibers of the inferior constrictor muscles of the pharynx. At this point, the RLN becomes the inferior laryngeal nerve.
The Larynx: Anatomy and 3D Illustrations - Innerbody
2024年11月27日 · Sounds are produced in the larynx by the movement of air through the larynx and by the vocal folds, a pair of movable folds in the mucous membrane. The vocal folds are connected to the thyroid cartilage on their anterior ends and …
Physiology of the Larynx - The American Journal of Medicine
1997年11月24日 · In order of functional priority, the larynx shares 3 basic functions in airway protection, respiration, and phonation. Most importantly, the larynx protects the airway from swallowed matter through several mechanisms. It coordinates and …
Laryngopharynx: Anatomy, structure and function | Kenhub
2023年10月30日 · The lower part of the anterior wall is formed by the posterior wall of the larynx, namely the posterior surfaces of the arytenoid and cricoid cartilages. The majority of the posterior wall is made by the three pharyngeal constrictors.