Floor Of Carotid Triangle

Hypoglossal nerve is a content of both digastric carotid triangles.

Floor of carotid triangle.

This space is used to expose the superior orbital vein and the sixth cranial nerve and to access carotid cavernous fistulae. The carotid triangle also contains the carotid sinus a dilated portion of the common carotid and internal carotid arteries. Hyoglossus and thyrohyoid muscles posterior part. Carotid triangle is one of the subdivisions of anterior triangle of neck.

Medially the floor of the triangle is formed by parts of the thyrohyoid muscle the hyoglossus muscle and the middle and inferior pharyngeal constrictor muscles. Floor of carotid triangle dr. Similar to the muscular triangle the carotid triangle has the omohyoid and sternocleidomastoid muscles as parts of its borders. Constrictores pharyngis medius and inferior.

Superior belly of omohyoid m. Content edit edit source. Common carotid internal carotid and external carotid its boundaries are. Structure superficial to mylohyoid in anterior digastric triangle is mylohyoid artery nerve.

Its floor is formed by parts of the thyrohyoid membrane hyoglossus and the. Floor of digastric triangle is formed by mylohyoid anteriorly hyoglossus posteriorly infrahyoid ribbon muscles are the chief contents of muscular triangle. However it is the posterior margin of the superior omohyoid muscle that limits the triangle anteriorly and the anterior margin of the sternocleidomastoid posteriorly. Middle constrictor and inferior constrictor muscles.

It contains the submental lymph nodes which filter lymph draining from the floor of the mouth and parts of the tongue. List the muscles that make the floor of the carotid triangle. Hyoid bone thyro hyoid m. Carotid triangle is a space at the anterior portion of the neck.

It is so called because it contains all the 3 carotid arteries viz. Inferiorly hyoid bone. The carotid triangle or superior carotid triangle is a portion of the anterior triangle of the neck coverings and boundaries. It is bound by the sternocleidomastoid muscle by the superior belly of the omohyoid muscle and by the posterior belly of the digastric muscle with the stylohyoideus.

This triangle is situated between the ophthalmic and maxillary divisions of the trigeminal nerve and the bone of the middle fossa between the foramen rotundum and superior orbital fissure figs. What is the clinical significance of enlargement of the jugulo digastric and jugulo omohyoid. Name the structures forming the boundaries of carotid triangle. Posterior belly of digastric and stylohyoid.

Superior belly of omohyoid. The hyoid bone can be seen in the most anterior angle of the carotid triangle with two of the three sides either originating or inserting upon it. Posterior belly of digastric m.