Blood supply of head and neck from "summary" of Bd Chaurasia's Human Anatomy, Volume 1 by B. D. Chaurasia
The blood supply of the head and neck is provided by the common carotid arteries, which branch into the internal and external carotid arteries. The internal carotid artery supplies blood to the brain, while the external carotid artery supplies blood to the structures of the head and neck. The external carotid artery gives off several branches that supply blood to different regions of the head and neck. These branches include the superior thyroid artery, lingual artery, facial artery, occipital artery, and posterior auricular artery, among others. Each of these branches supplies blood to specific structures in the head and neck, ensuring adequate perfusion. Additionally, the vertebral arteries also contribute to the blood supply of the head and neck. These arteries branch off the subclavian arteries and ascend through the cervical vertebrae to enter the skull through the foramen magnum. They join to form the basilar artery, which supplies blood to the brainstem and cerebellum. The blood supply of the head and neck is crucial for the proper functioning of all structures in this region. Adequate blood flow ensures that tissues receive oxygen and nutrients necessary for their metabolic activities. Any disruption in the blood supply can lead to ischemia and tissue damage, potentially causing serious complications. Understanding the blood supply of the head and neck is essential for healthcare professionals, as it plays a significant role in various clinical scenarios. Knowledge of the arterial anatomy helps in the diagnosis and management of conditions such as strokes, aneurysms, and vascular malformations. It also guides surgical interventions and procedures in the head and neck region.
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