Floor Of Carotid Triangle

Content edit edit source. The carotid triangle or superior carotid triangle is a portion of the anterior triangle of the neck coverings and boundaries. Constrictores pharyngis medius and inferior.

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List the muscles that make the floor of the carotid triangle.

Floor of 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. 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. Hypoglossal nerve is a content of both digastric carotid triangles.

Describe the locations of the superficial and deep cervical lymph nodes. Carotid triangle is a space at the anterior portion of the 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 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.

Superior belly of omohyoid m. Superior belly of omohyoid. This space is used to expose the superior orbital vein and the sixth cranial nerve and to access carotid cavernous fistulae. Hyoid bone thyro hyoid m.

Contents of carotid triangle dr. Similar to the muscular triangle the carotid triangle has the omohyoid and sternocleidomastoid muscles as parts of its borders. Posterior belly of digastric m. Its floor is formed by parts of the thyrohyoid membrane hyoglossus and the.

Floor of carotid triangle dr. 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 carotid triangle also contains the carotid sinus a dilated portion of the common carotid and internal carotid arteries.

Name the structures forming the boundaries of carotid triangle. What is the clinical significance of enlargement of the jugulo digastric and jugulo omohyoid. Middle constrictor and inferior constrictor muscles. Inferiorly hyoid bone.

It is so called because it contains all the 3 carotid arteries viz. Carotid triangle is one of the subdivisions of anterior triangle of neck. Structure superficial to mylohyoid in anterior digastric triangle is mylohyoid artery nerve. It contains the submental lymph nodes which filter lymph draining from the floor of the mouth and parts of the tongue.

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. Posteriorly by the anterior. Common carotid internal carotid and external carotid its boundaries are.