Categories: Digestive system | Respiratory system Georgetown University, incorporated as the The President and Directors of the College of Georgetown, is a private university in the United States, located in Georgetown, a historic neighborhood of Washington, D.C. With roots extending back to March 25, 1634 and founded in its current form on January 23, 1789... List of bones of the human skeleton Human anatomy is primarily the scientific study of the morphology of the adult human body. ... A human neck. ... Look up Throat in Wiktionary, the free dictionary. ... The pharynx (plural: pharynges) is the part of the neck and throat situated immediately posterior to the mouth and nasal cavity, and cranial, or superior, to the esophagus, larynx, and trachea. ... The larynx (plural larynges), colloquially known as the voicebox, is an organ in the neck of mammals involved in protection of the trachea and sound production. ... The cricoid cartilage, or simply cricoid, is the only complete ring of cartilage around the trachea. ... For other uses, see Adams apple (disambiguation). ... The arytenoid cartilages are a pair of small pyramid-shaped cartilages, at the upper rear of the larynx, to which the vocal cords are attached. ... The cuneiform cartilages (cartilages of Wrisberg) are two small, elongated pieces of yellow elastic cartilage, placed one on either side, in the aryepiglottic fold, where they give rise to small whitish elevations on the surface of the mucous membrane, just in front of the arytenoid cartilages. ... The corniculate cartilages (cartilages of Santorini) are two small conical nodules consisting of yellow elastic cartilage, which articulate with the summits of the arytenoid cartilages and serve to prolong them backward and medialward. ... The hyothyroid membrane (thyrohyoid membrane) is a broad, fibro-elastic layer, attached below to the upper border of the thyroid cartilage and to the front of its superior cornu, and above to the upper margin of the posterior surface of the body and greater cornua of the hyoid bone, thus... The lateral thyrohyoid ligament (lateral hyothyroid ligament) is a round elastic cord, which forms the posterior border of the hyothyroid membrane and passes between the tip of the superior cornu of the thyroid cartilage and the extremity of the greater cornu of the hyoid bone. ... The middle thicker part of the thyrohyoid membrane is termed the median thyrohyoid ligament (middle hyothyroid ligament, middle thyrohyoid ligament), its lateral thinner portions are pierced by the superior laryngeal vessels and the internal branch of the superior laryngeal nerve. ... The Epiglottis is connected with the hyoid bone by an elastic band, the hyoepiglottic ligament, which extends from the anterior surface of the epiglottis to the upper border of the body of the hyoid bone. ... The cricotracheal ligament connects the cricoid cartilage with the first ring of the trachea. ... The cricothyroid ligament is the larger part of the laryngeal membrane, continuing inferiorly as a median or anterior part and twin lateral ligaments. ... The Glossoepiglottic folds are the anterior or lingual surface of the epiglottis is curved forward, and covered on its upper, free part by mucous membrane which is reflected on to the sides and root of the tongue, forming a median and two lateral glossoepiglottic folds; the lateral folds are partly... The entrance of the larynx (Fig. ... // Bold textItalic text The vocal folds, also known popularly as vocal cords, are composed of twin infoldings of mucous membrane stretched horizontally across the larynx. ... The vestibular fold (ventricular fold, superior or false vocal cord) is one of two thick folds of mucous membrane, each enclosing a narrow band of fibrous tissue, the ventricular ligament which is attached in front to the angle of the thyroid cartilage immediately below the attachment of the epiglottis, and... Enclosed within the vocal folds, there are two strong bands, named the vocal ligaments (inferior thyroarytenoid). ... The ventricle of the larynx (laryngeal sinus) is a fusiform fossa, situated between the ventricular and vocal folds on either side, and extending nearly their entire length. ... The infraglottic cavity is the portion of the larynx below the ventricles of the larynx and rima glottidis. ... The portion of the cavity of the larynx above the vocal folds is called the vestibule; it is wide and triangular in shape, its base or anterior wall presenting, however, about its center the backward projection of the tubercle of the epiglottis. ... The rima glottidis is the opening between the true vocal cords and the arytenoid cartilages. ... The space between the vocal cords is called the glottis. ... Anatomists use the term triangles of the neck to describe the divisions created by the major muscles in the region. ... The anterior triangle is bounded, in front, by the middle line of the neck; behind, by the anterior margin of the Sternocleidomastoideus; its base, directed upward, is formed by the lower border of the body of the mandible, and a line extending from the angle of the mandible to the... The inferior carotid triangle (or muscular triangle), is bounded, in front, by the median line of the neck from the hyoid bone to the sternum; behind, by the anterior margin of the Sternocleidomastoideus; above, by the superior belly of the Omohyoideus. ... The superior carotid triangle (or carotid triangle), is bounded, behind by the Sternocleidomastoideus; below, by the superior belly of the Omohyoideus; and above, by the Stylohyoideus and the posterior belly of the Digastricus. ... The submandibular triangle (or submaxillary or digastric triangle) corresponds to the region of the neck immediately beneath the body of the mandible. ... The submental triangle (or suprahyoid triangle) is a division of the anterior triangle of the neck. ... The posterior triangle (or lateral cervical region) is bounded, in front, by the Sternocleidomastoideus; behind, by the anterior margin of the Trapezius; its base is formed by the middle third of the clavicle; its apex, by the occipital bone. ... The occipital triangle, the larger division of the posterior triangle, is bounded, in front, by the Sternocleidomastoideus; behind, by the Trapezius; below, by the Omohyoideus. ... The subclavian triangle, the smaller division of the posterior triangle, is bounded, above, by the inferior belly of the Omohyoideus; below, by the clavicle; its base is formed by the posterior border of the Sternocleidomastoideus. ... The suboccipital triangle is a region of the neck bounded by the following three muscles: Rectus capitis posterior major - above and medially Obliquus capitis superior - above and laterally Obliquus capitis inferior - below and laterally It is covered by a layer of dense fibro-fatty tissue, situated beneath the Semispinalis capitis. ... The deep cervical fascia (or fascia colli in older texts) lies under cover of the Platysma, and invests the neck; it also forms sheaths for the carotid vessels, and for the structures situated in front of the vertebral column. ... The pretrachial fascia extends medially in front of the carotid vessels, and assists in forming the carotid sheath. ... The prevertebral fascia (or prevertebral layer of cervical fascia) extends medialward behind the carotid vessels, where it assists in forming their sheath, and passes in front of the prevertebral muscles. ... The investing portion of the fascia is attached behind to the ligamentum nuchæ and to the spinous process of the seventh cervical vertebra. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... The buccopharyngeal fascia is attached to the prevertebral layer by loose connective tissue only, and thus an easily distended space, the retropharyngeal space, is found between them. ...