Anterior Triangle of Neck

The suboccipital triangle is a region of the neck bounded by the following three muscles of the suboccipital group of muscles. A rational classification of neck dissections.

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Carotid Muscular Subclavian Submandibular Submental A 50-year-old woman is brought to the operating room for a biopsy of a suspicious looking nevus mole which is found along the anterior border of her sternocleidomastoid muscle at about its midlength.

. The muscles in this compartment are innervated by the deep fibular nerve L4-S1 and blood is supplied via the anterior tibial artery. Obliquus capitis inferior - below and laterally Rectus capitis posterior minor is also in this region but does not form part of the triangle. The sternocleidomastoid muscle SCM is an important landmark in the neck which divides it into an anterior and a posterior triangle.

This muscle binds the skull to the sternum and clavicle. Pulsatile compressible with a bruit or thrill mobile from medial to lateral direction CT CT angiography lyre sign. Reaching a diagnosis obviously requires.

In this article we shall look at the actions attachments and innervation of the muscles in the anterior compartment of the leg. In human anatomy the ligament of the head of the femur round ligament of the femur ligamentum teres femoris the foveal ligament or Fillmores ligament is a ligament located in the hipIt is triangular in shape and somewhat flattened. Neck dissection classification update.

And more importantly each compartment contains its. There are several triangles of the neck that are more surgically focused first described from early dissection-based anatomical studies which predated cross-sectional anatomical description based on imaging. Medially sagittal line down the midline of the neck.

Similarly the posterior triangle is bounded by the. The ligament is implanted by its apex into the antero-superior part of the fovea capitis femoris and its base is attached by two bands one. First Year Medical Anatomy.

Superiorly inferior border of the mandible jawbone. Cookies allow us to analyze and store information such as the characteristics of your device as well as certain personal data eg IP addresses navigation usage or geolocation data unique identifiers. IMAIOS and selected third parties use cookies or similar technologies in particular for audience measurement.

Rectus capitis posterior major - above and medially. Painless oropharyngeal or upper anterior triangle of the neck. Sternocleidomastoid SCM synonym musculus sternocleidomastoideus is a paired superficial muscle in the anterior portion of the neck.

Arch Otolaryngol Head Neck Surg 20021287751-758. The femoral triangle is a wedge-shaped area formed by a depression between the muscles of the thighIt is located on the medial aspect of the proximal thigh. This article will outline the borders and contents of the femoral triangle.

Investing fascia covers the roof of the triangle while visceral fascia covers the floorIt can be subdivided further. Anterior triangle is bounded posteriorly by the posterior border of the SCM muscle and the posterior triangle is between the posterior border of the SCM and the anterior border of the trapezius muscle and the clavicle inferiorly. The anterior triangle is situated at the front of the neck.

This triangle can be further divided into the submandibular triangle submental triangle muscular triangle and carotid triangle. Otolaryngol Head Neck Surg 100169-176 1989. Foundations of Medicine II.

The thigh is the part of the lower limb located between the hip and the knee and it can be divided into anterior medial and posterior compartments that surround the femurThese compartments are formed by the intermuscular septa that originate on the inner surface of the fascia lata and attach to the linea aspera of the femur. In which triangle of the neck will the surgeon make an incision to gain access to the gland. Laterally anterior border of the sternocleidomastoid.

Surgical triangles of the neck. Revisions proposed by the American Head and Neck Society and the American Academy of Otolaryngology--Head and Neck Surgery. It is the region of the passage of the main blood vessels between the pelvis and the lower limb as well as a large nerve supplying the thigh.

The anterior triangle of the neck is made by the anterior border of the sternocleidomastoid muscle the inferior border of the mandible and the midline of the neck. The lateral neck. The extensor digitorum longus and extensor hallucis longus also extend the toes.

Open in new tab. Obliquus capitis superior - above and laterally. Robbins KT Clayman G Levine PA.

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