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Related Concept Videos

Muscles of the Anterior Neck01:26

Muscles of the Anterior Neck

The anterior neck muscles are the group of muscles covering the front part of the neck. These muscles are classified into three subgroups. The first one is the superficial muscles, the most visible muscles in the front of the neck. It includes the platysma and sternocleidomastoid. The second group is the suprahyoid muscles, located above the hyoid bone. This group comprises the digastric, mylohyoid, geniohyoid, and stylohyoid. Lastly, the infrahyoid muscles are found below the hyoid bone and...
Muscles that Move the Head01:19

Muscles that Move the Head

The muscles that move the head are a dynamic and complex group of structures that work together to facilitate a wide range of head movements, including rotation, flexion, extension, and lateral bending.
The bilateral sternocleidomastoid, or SCM, and the suprahyoid and infrahyoid muscles are significant head flexors. The SCM muscles originate at the sternum and clavicle and attach to the mastoid process of the temporal bone. The SCM contracts bilaterally to bend the head forward, whereas...
Spinal Nerves: Plexus I01:22

Spinal Nerves: Plexus I

Nerve plexuses are networks of interlacing nerves that serve as communication hubs to distribute and organize nerve action across various body regions. The nerve plexuses are organized into the cervical plexus located in the neck region, brachial plexus in the shoulder area, lumbar plexus found in the lower back, sacral plexus situated in the pelvis, and coccygeal plexus located in the coccygeal region.
The Cervical Plexus
The cervical plexus, formed by the anterior rami of the first four...
Blood and Nerve Supply to the Bones01:29

Blood and Nerve Supply to the Bones

Bones are dynamic organs that require a rich supply of oxygen and nutrients. Around 5% to 10% of the cardiac output supplies blood to the bones. A typical long bone has three main sources: the nutrient artery, the metaphyseal and epiphyseal arteries, and the periosteal arteries.
Nutrient Artery
The nutrient artery is the main blood vessel that enters the diaphysis via the nutrient foramen. While most long bones have only one nutrient foramen, large bones, such as the femur, may have two. This...
Pain01:20

Pain

Pain serves as a critical warning signal that alerts the body to potential or actual harm. When mechanical pressure on the skin is intense, such as from a sharp pinch, the sensation transitions from touch to pain. Similarly, extreme temperatures, like a hot pot handle, convert the sensation of heat into pain. Pain can also result from overstimulation of other senses, such as blinding light, loud noise, or the intense heat from habañero peppers. This ability to sense pain is essential for...
Veins of Head and Neck01:19

Veins of Head and Neck

The blood drainage from the head and neck is primarily managed by three pairs of veins: the external jugular, internal jugular, and vertebral veins. The external jugular veins drain superficial scalp and face structures, passing over the sternocleidomastoid muscles to empty into the subclavian veins.
On the other hand, the vertebral veins, unlike their arterial counterparts, are not primarily responsible for brain drainage. Instead, they drain the cervical vertebrae, spinal cord, and some small...

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Related Experiment Video

Updated: Jul 10, 2026

Warm Moxibustion and Scraping as a Traditional Chinese Medicine Therapy for Cervical Spondylosis Treatment
04:28

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Published on: June 27, 2025

A serious pain in the neck.

Yew Chong Yap1, Shyam Kodati, Alan Kosmin

  • 1Department of Ophthalmology, Watford General Hospital, Vicarage Road, Watford, Herts, WD18 0HB, UK. eyapyc@gmail.com

Annals of Ophthalmology (Skokie, Ill.)
|November 21, 2007
PubMed
Summary

Internal carotid artery dissection is a key cause of ischemic cerebrovascular disease. This condition often presents as unilateral neck pain and headache, requiring prompt diagnosis and management.

Area of Science:

  • Neurology
  • Vascular Medicine
  • Cerebrovascular Disease

Background:

  • Internal carotid artery dissection is a significant cause of ischemic stroke, particularly in younger adults.
  • Understanding its diverse clinical presentations is crucial for timely diagnosis.

Observation:

  • A case of internal carotid artery dissection is presented.
  • Typical symptoms include unilateral headache, often radiating from the neck, characterized by sharp, non-throbbing pain.

Findings:

  • The case highlights the characteristic clinical manifestations of carotid dissection.
  • Diagnostic investigations play a vital role in confirming the condition.

Implications:

  • Early recognition and appropriate treatment of internal carotid artery dissection can prevent severe neurological deficits.

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  • This case underscores the importance of considering dissection in the differential diagnosis of cerebrovascular events.