Floor Of Carotid Triangle

Constrictores pharyngis medius and inferior.

Floor of carotid triangle.

Floor of carotid triangle dr. Name the structures forming the boundaries of carotid triangle. Hyoid bone thyro hyoid m. Middle constrictor and inferior constrictor muscles.

Carotid triangle is one of the subdivisions of anterior triangle of neck. However it is the posterior margin of the superior omohyoid muscle that limits the triangle anteriorly and the anterior margin of the sternocleidomastoid posteriorly. 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. Carotid triangle is a space at the anterior portion of the neck.

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. Contents of carotid triangle dr. This space is used to expose the superior orbital vein and the sixth cranial nerve and to access carotid cavernous fistulae. Superior belly of omohyoid.

It is so called because it contains all the 3 carotid arteries viz. Hyoglossus and thyrohyoid muscles posterior part. Common carotid internal carotid and external carotid its boundaries are. Floor of digastric triangle is formed by mylohyoid anteriorly hyoglossus posteriorly infrahyoid ribbon muscles are the chief contents of muscular triangle.

The carotid triangle also contains the carotid sinus a dilated portion of the common carotid and internal carotid arteries. Posteriorly by the anterior. List the muscles that make the floor of the carotid triangle. What is the clinical significance of enlargement of the jugulo digastric and jugulo omohyoid.

Content edit edit source. Posterior belly of digastric and stylohyoid. Its floor is formed by parts of the thyrohyoid membrane hyoglossus and the. It contains the submental lymph nodes which filter lymph draining from the floor of the mouth and parts of the tongue.

Inferiorly hyoid bone. Describe the locations of the superficial and deep cervical lymph nodes. Hypoglossal nerve is a content of both digastric carotid triangles. 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.

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. The carotid triangle or superior carotid triangle is a portion of the anterior triangle of the neck coverings and boundaries. Posterior belly of digastric m.