Floor Of Carotid Triangle

Describe the locations of the superficial and deep cervical lymph nodes.

Floor of carotid triangle.

Middle constrictor and inferior constrictor muscles. Similar to the muscular triangle the carotid triangle has the omohyoid and sternocleidomastoid muscles as parts of its borders. Inferiorly hyoid bone. Posterior belly of digastric m.

Superior belly of omohyoid m. Common carotid internal carotid and external carotid its boundaries are. Carotid triangle is a space at the anterior portion of the neck. Name the structures forming the boundaries of carotid triangle.

Superior belly of omohyoid. However it is the posterior margin of the superior omohyoid muscle that limits the triangle anteriorly and the anterior margin of the sternocleidomastoid posteriorly. 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. The carotid triangle also contains the carotid sinus a dilated portion of the common carotid and internal carotid arteries.

What is the clinical significance of enlargement of the jugulo digastric and jugulo omohyoid. List the muscles that make the floor of the carotid triangle. 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. Structure superficial to mylohyoid in anterior digastric triangle is mylohyoid artery nerve. 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. Carotid triangle is one of the subdivisions of anterior triangle of neck.

The carotid triangle or superior carotid triangle is a portion of the anterior triangle of the neck coverings and boundaries. Posterior belly of digastric and stylohyoid. It is so called because it contains all the 3 carotid arteries viz. Hyoid bone thyro hyoid m.

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. Floor of carotid triangle dr. Hypoglossal nerve is a content of both digastric carotid triangles. Hyoglossus and thyrohyoid muscles posterior part.

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