Floor Of Carotid Triangle

Superior belly of omohyoid.

Floor of carotid triangle.

Hyoid bone thyro hyoid m. Describe the locations of the superficial and deep cervical lymph nodes. It contains the submental lymph nodes which filter lymph draining from the floor of the mouth and parts of the tongue. This space is used to expose the superior orbital vein and the sixth cranial nerve and to access carotid cavernous fistulae.

Hyoglossus and thyrohyoid muscles posterior part. Carotid triangle is one of the subdivisions of anterior triangle of neck. Name the structures forming the boundaries of carotid 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.

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. It is so called because it contains all the 3 carotid arteries viz. Posterior belly of digastric m. List the muscles that make the floor of the carotid triangle.

Its floor is formed by parts of the thyrohyoid membrane hyoglossus and the. Inferiorly hyoid bone. Posteriorly by the anterior. Constrictores pharyngis medius and inferior.

The carotid triangle or superior carotid triangle is a portion of the anterior triangle of the neck coverings and boundaries. Hypoglossal nerve is a content of both digastric carotid triangles. Middle constrictor and inferior constrictor muscles. 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.

Structure superficial to mylohyoid in anterior digastric triangle is mylohyoid artery nerve. Superior belly of omohyoid m. 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.

Floor of digastric triangle is formed by mylohyoid anteriorly hyoglossus posteriorly infrahyoid ribbon muscles are the chief contents of muscular triangle. 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. What is the clinical significance of enlargement of the jugulo digastric and jugulo omohyoid. Contents of carotid triangle dr.

The carotid triangle also contains the carotid sinus a dilated portion of the common carotid and internal carotid arteries. Similar to the muscular triangle the carotid triangle has the omohyoid and sternocleidomastoid muscles as parts of its borders. Common carotid internal carotid and external carotid its boundaries are.