Floor Of Carotid Triangle

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

Floor of carotid triangle.

Hyoglossus and thyrohyoid muscles posterior part. Floor of digastric triangle is formed by mylohyoid anteriorly hyoglossus posteriorly infrahyoid ribbon muscles are the chief contents of muscular triangle. Superior belly of omohyoid m. Hypoglossal nerve is a content of both digastric carotid triangles.

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. Name the structures forming the boundaries of carotid triangle. Posteriorly by the anterior.

Contents of carotid triangle dr. Structure superficial to mylohyoid in anterior digastric triangle is mylohyoid artery nerve. Hyoid bone thyro hyoid m. However it is the posterior margin of the superior omohyoid muscle that limits the triangle anteriorly and the anterior margin of the sternocleidomastoid posteriorly.

Posterior belly of digastric and stylohyoid. 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. 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.

Common carotid internal carotid and external carotid its boundaries are. Floor of carotid triangle dr. Inferiorly hyoid bone. Posterior belly of digastric m.

What is the clinical significance of enlargement of the jugulo digastric and jugulo omohyoid. The carotid triangle also contains the carotid sinus a dilated portion of the common carotid and internal carotid arteries. Constrictores pharyngis medius and inferior. It contains the submental lymph nodes which filter lymph draining from the floor of the mouth and parts of the tongue.

Similar to the muscular triangle the carotid triangle has the omohyoid and sternocleidomastoid muscles as parts of its borders. 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. The carotid triangle or superior carotid triangle is a portion of the anterior triangle of the neck coverings and boundaries.

Middle constrictor and inferior constrictor muscles. Superior belly of omohyoid. Its floor is formed by parts of the thyrohyoid membrane hyoglossus and the.