Anterior triangle of the neck
Anterior Triangle of the Neck
The Anterior triangle of the neck (pronunciation: /ænˈtɪər.i.ər ˈtraɪˌæŋ.gəl əv ðə nɛk/) is a significant anatomical region in the human neck.
Etymology
The term "anterior" is derived from the Latin word "anterior" which means "before" or "in front of". The term "triangle" comes from the Latin "triangulum", which means "three-cornered". The term "neck" is from the Old English "hnecca", meaning the part of the body connecting the head and the body.
Definition
The Anterior triangle of the neck is a region of the neck bounded by the Sternocleidomastoid muscle, the midline of the neck from the chin to the sternum, and an imaginary line connecting the angle of the mandible to the sternoclavicular joint.
Related Terms
- Sternocleidomastoid muscle: One of the largest and most superficial cervical muscles. The primary actions of the muscle are rotation of the head to the opposite side and flexion of the neck.
- Mandible: The lower jaw or jawbone is the largest, strongest and lowest bone in the human face.
- Sternum: The sternum or breastbone is a long flat bone located in the central part of the chest.
Subdivisions
The Anterior triangle of the neck is further subdivided into four smaller triangles:
Each of these subdivisions has its own unique set of structures and clinical significance.
Clinical Significance
The Anterior triangle of the neck is of clinical importance as it contains several vital structures including the carotid artery, jugular vein, and thyroid gland. Understanding the anatomy of this region can aid in the diagnosis and treatment of various conditions such as carotid artery stenosis, jugular vein thrombosis, and thyroid disorders.
External links
- Medical encyclopedia article on Anterior triangle of the neck
- Wikipedia's article - Anterior triangle of the neck
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