What are intervertebral discs composed of?
The intervertebral disc is made up of two components: the annulus fibrosus and thenucleus pulposus. The annulus fibrosus is the outer portion of the disc. It is composed of layers of collagen and proteins, called lamellae.
Are intervertebral discs made up of water?
Nucleus Pulposus A gel-like structure that sits at the center of the intervertebral disc and accounts for much of the strength and flexibility of the spine. It is made of 66% to 86% water with the remainder consisting of primarily type II collagen (it may also contain type VI, IX, and XI) and proteoglycans.
What are intervertebral discs made of quizlet?
Intervertebral disks are made up of a series of tough outer rings called Annulus Fibrosus and a soft gelatinous inner Nucleus Puplosus.
What type of cartilage are the intervertebral discs made of?
Fibrous cartilage
Fibrous cartilage has many collagen fibers and is found in the intervertebral discs and pubic symphysis.
What are intervertebral discs?
The intervertebral discs provide cushioning between vertebrae and absorb pressure put on the spine. While the discs in the lower (lumbar ) region of the spine are most often affected in intervertebral disc disease, any part of the spine can have disc degeneration.
What is the inner part of an intervertebral disc called?
Intervertebral discs consist of an outer fibrous ring, the anulus fibrosus disci intervertebralis, which surrounds an inner gel-like center, the nucleus pulposus.
What are discs made of?
Each disc is made up of a tough, fibrous outer layer (annulus fibrosis) and a jelly-like inner layer (nucleus pulposus). The tough outer layer contains and protects the softer inside layer. These small discs have a big job. They enable your spine to move in all directions.
What are the intervertebral discs made of Group of answer choices?
Annulus Fibrosus and Nucleus Pulposus Intervertebral discs are composed of an annulus fibrosus and a nucleus pulposus. Intervertebral discs are composed of an annulus fibrosus and a nucleus pulposus.
What are the intervertebral discs that are shock absorbers composed of quizlet?
Composed of fibrocartilage, it is the outer portion of the intervertebral disc. The jelly like loose network of collagen fibers on the inside of the intervertebral discs; that acts as a shock absorber to prevent compression of the spine. You just studied 5 terms!
Which type of cartilage is found in the intervertebral discs quizlet?
The type of cartilage found in the intervertebral discs is fibrocartilage.
What are cartilage made of?
What is cartilage made of? Cartilage a strong and smooth substance made up of “chondrocytes,” or specialized cartilage cells, that produce a matrix of collagen, proteoglycans (a special type of protein) and other non-collagenous proteins.
What are your discs made from?
The intervertebral discs are complex structures that consist of a thick outer ring of fibrous cartilage termed the annulus fibrosus, which surrounds a more gelatinous core known as the nucleus pulposus; the nucleus pulposus is sandwiched inferiorly and superiorly by cartilage end-plates.
What is the composition of intervertebral disc?
Intervertebral discs are composed of an annulus fibrosus and a nucleus pulposus. The annulus fibrosus is a strong radial tire–like structure made up of lamellae; concentric sheets of collagen fibers connected to the vertebral end plates. The sheets are orientated at various angles.
Which is part of an intervertebral disc is gel like?
Intervertebral discs consist of an outer fibrous ring, the anulus fibrosus disci intervertebralis, which surrounds an inner gel-like center, the nucleus pulposus. The anulus fibrosus consists of several layers (laminae) of fibrocartilage made up of both type I and type II collagen.
Is there an intervertebral disc in the cervical vertebra?
Cervical vertebra with intervertebral disc. Intervertebral discs consist of an outer fibrous ring, the annulus fibrosus disci intervertebralis, which surrounds an inner gel-like center, the nucleus pulposus.
What are the two parts of a disc?
Each disc is made up of two parts: the annulus fibrosus and the nucleus pulposus. The annulus is a sturdy tire-like structure that encases a gel-like center, the nucleus pulposus.