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Radiation treatment for neck cancer may cause thyroid cancer
- Thread starter ginfreely
- Start date
Cervical Spine
Your cervical spine consists of the first seven vertebrae in your spine. It provides support for the weight of your head, surrounds and protects your spinal cord, and allows for a wide range of head motions. Many conditions affect this area of your spine, including neck pain, arthritis, degenerative bone and disk disease, and stenosis. Many treatment options are available.
What is the cervical spine?
Your cervical spine — the neck area of your spine — consists of seven stacked bones called vertebrae. The first two vertebrae of your cervical spine are unique in shape and function. Your first vertebra (C1), also called the atlas, is a ring-shaped bone that begins at the base of your skull. It’s named after Atlas, of Greek mythology, who held the world on his shoulders. The atlas holds your head upright. Your second vertebra (C2), also called the axis, allows the atlas to pivot against it for the side-to-side “no” rotation of your head.
Your seven cervical vertebrae (C1 to C7) are connected at the back of the bone by a type of joint (called facet joints), which allow for the forward, backward and twisting motions of your neck.
Your cervical spine is also surrounded by muscles, nerves, tendons and ligaments. “Shock-absorbing” disks, called intervertebral disks, are positioned between each vertebra. Your spinal cord runs through the center of your entire spine. Your spinal cord sends and receives messages from your brain, which controls all aspects of your body’s functions.
Your cervical spine is also surrounded by muscles, nerves, tendons and ligaments. “Shock-absorbing” disks, called intervertebral disks, are positioned between each vertebra. Your spinal cord runs through the center of your entire spine. Your spinal cord sends and receives messages from your brain, which controls all aspects of your body’s functions.
What does the cervical spine do?
Your cervical spine has several functions, including:- Protecting your spinal cord. The nerves of your spinal cord pass through a large hole (called the vertebral foramen) that passes through the center of all of your vertebrae — from the base of your skull through the cervical vertebrae, the thoracic (middle back) vertebrae and ending between the first and second lumbar (lower back) vertebrae. Taken together, all the stacked vertebrae of your spine form a protective central canal that protects your spinal cord.
- Supporting your head and allowing movement. Your cervical spine supports the weight of your head (average weight of 10 to 13 pounds). It also allows your head and neck to tilt forward (flexion), backward (extension), turn from side to side (rotation) or bend to one side (ear-to-shoulder; lateral flexion).
- Providing a safe passageway for vertebral arteries. Small holes in cervical spine vertebrae C1 to C6 provide a protective pathway for vertebral arteries to carry blood to your brain. This is the only section of vertebrae in the entire spine that contains holes in the bone to allow arteries to pass through.
What are the other muscles and soft tissues in the neck?
Other structures around or involving your cervical spine include the following:Muscles supporting your cervical spine
The major muscles that attach to your cervical spine include:- Sternocleidomastoid. This muscle, one on each side of your neck, runs from behind your ear to the front of your neck. It attaches to your breast bone (sternum) and collarbone. This muscle allows you to rotate your head side-to-side and tilt your chin upward.
- Trapezius. This pair of triangular muscles extend from the base of your skull down your cervical and thoracic spine and out to your shoulder blade. They help tilt your head upward/move your neck backward, rotate your head right or left or lift your shoulder blade.
- Levator scapulae. This muscle attaches to your first four cervical vertebrae and the top of your shoulder blade (scapula). It helps lift your shoulder blade, bend your head to the side and rotate your head.
- Erector spinae. Several muscles make up this muscle group. In your cervical spine area, these muscles help with posture, neck rotation and backward neck extension.
- Deep cervical flexors. These muscles run down the front of your cervical spine. They allow you to flex your neck forward neck and help keep your cervical spine stable.
- Suboccipital muscles. These four pairs of muscles connect the top of your cervical spine with the base of your skull. They allow you to extend and rotate your head.
Ligaments of your cervical spine
Ligaments in your cervical spine connect bone to bone to help to keep your cervical spine stable. Three major cervical spine ligaments are:- Anterior longitudinal ligament.This ligament extends from the base of your skull, down the front of the cervical vertebra. It stretches to resist backward neck motion.
- Posterior longitudinal ligament.This ligament starts at C2 and extends down the back of your cervical vertebrae. It stretches to resist forward neck motion.
- Ligamentum flava. These ligaments line the backside of the inside opening of each vertebra where your spinal cord passes. These ligaments cover and protect your spinal cord from behind.
Disks in the cervical spine
Cervical disks are the “shock absorber cushions” that sit between each vertebra. A total of six disks are positioned between the seven cervical vertebrae (one between two vertebrae). In addition to cushioning against stresses placed on your neck, the disks allow you to flex and rotate your head more easily during activity.Nerves in the cervical spine
Eight pairs of spinal nerves exit through small openings (foramen) between every pair of vertebrae in your cervical spine. They’re labeled C1 through C8. They stimulate muscle movement in your neck, shoulder, arm and hand, and provide sensation.
what happened? deep-throated too many cucumbers?
Sadly, most people totally forgot all their basic high school knowledge about Science after they left school. When they get sick, NUH or SGF oncologists instruct them do this treatment do that treatment, 99% just comply. Try to cure for one cancer but actually grooming for the next cancer. All because the hide the fact that their treatment itself is carcinogenic. Ironic about modern evidenced-base medical science.
Sometimes there’s no choice in life, if you have neck cancer only got few options chemo radiation or surgery. Trust me radiation still beat surgery, my father had both.
That’s your hakka lover mother Pui!
Thyroid cancer is caused by drinking too much Bangla cum, you fucking twit!
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