Carotid Triangle Floor

Posterior part of the floor middle and inferior constrictors of the pharynx describe the best clinical approach to feeling the carotid pulse. The baroreceptors detect stretch as a measure of blood pressure. The carotid triangle dr m idris siddiqui this is a vascular area bounded by the superior belly of the omohyoid the posterior belly of the digastric and the anterior border of the sternoceidomastoid.

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The external and internal carotids lie side by side the external being the more anterior of the two.

Carotid triangle floor.

Carotid triangle is a space at the anterior portion of the neck. Posterior belly of digastric m. Superior belly of omohyoid m. It is so called because it contains all the 3 carotid arteries viz.

Skin superficial fascia platysma deep fascia. Carotid triangle is one of the subdivisions of anterior triangle of neck. The carotid pulse can be felt between the anterior border of the sternocleidomastoid muscle above the hyoid bone and lateral to the thyroid cartilage. Borders and contents of the submental triangle.

Its floor is formed by parts of the thyrohyoid membrane hyoglossus and the. Posterior belly of digastric and stylohyoid. Hyoid bone thyro hyoid m. 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.

It contains the bifurcation of the common carotid artery into internal and external carotid arteries. Constrictores pharyngis medius and inferior. It contains specific sensory cells called baroreceptors. Important vascular structures are found within this triangle.

The following branches of the external carotid are also met with in this space. The carotid triangle also contains the carotid sinus a dilated portion of the common carotid and internal carotid arteries. 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. This triangle like the submandibular triangle is floored by the mylohyoid muscles and roofed by the platysma fascia and skin.

Thyrohyoid hyoglossus middle and inferior pharyngeal constrictors. Contents of carotid triangle dr. The carotid triangle this triangle is important because the common carotid artery ascends into it. Give the anatomical rational for such approach.

Superior belly of omohyoid. Floor of carotid triangle dr. Common carotid internal carotid and external carotid. The base of the triangle is formed by the body of the hyoid bone and its apex extends towards the symphysis menti.

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.