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Cartilage tissue
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Lecture notes of 2 pages for the course 2º Curso Histología at UAX (Cartilage tissue)
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The cartilage tissueThe cartilage tissue is a specialized type of connective tissue found in many parts of the body,
including the joints, the ribcage, the ears, and the nose. It is a firm and flexible tissue that
provides support and cushioning to the body's structures. The following are some notes on
cartilage tissue in English.
Structure
Cartilage tissue is made up of cells called chondrocytes, which are surrounded by a matrix of
collagen fibers and proteoglycans. The collagen fibers give the tissue its strength, while the
proteoglycans give it its elasticity and ability to resist compression.
Types of cartilage
There are three types of cartilage: hyaline, fibrocartilage, and elastic cartilage.
Hyaline cartilage is the most common type of cartilage and is found in joints, the ribcage, and
the nose. It is a smooth and translucent tissue that provides cushioning and support to the
joints.
Fibrocartilage is a tough and dense tissue that is found in areas that undergo high stress, such
as the intervertebral discs and the knee joint. It contains a high amount of collagen fibers,
which give it its strength.
Elastic cartilage is found in the ear and the epiglottis. It contains a high amount of elastic
fibers, which give it its flexibility and ability to return to its original shape after being
compressed.
Functions
Cartilage tissue serves several important functions in the body. It provides cushioning and
support to the joints, allowing them to move smoothly and without pain. It also helps to
distribute weight and pressure across the body, preventing damage to the bones and other
tissues. Additionally, cartilage tissue helps to maintain the shape of certain structures, such as
the nose and ears.
Growth and repair
Unlike many other tissues in the body, cartilage tissue has a limited ability to repair itself. This
is because it has a poor blood supply, which makes it difficult for nutrients and oxygen to reach
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