What is bone tissue?

A tissue is, for anatomy, botany and zoology, a set of cells that act in a coordinated manner and have certain characteristics in common. Bone, on the other hand, is what is attached to the bones (the very hard elements that make up the skeleton of vertebrates).

Bone tissue is called the component of the bones. It is a set of cells with extensive extensions and organic matter, which contains calcium salts. This element is what gives rigidity and strength to the bones. Likewise, we cannot forget that bone tissue is considered responsible not only for the sustenance of vertebrate animals, but also for their protection.

Bone tissue is part of the specialized connective tissue. It should be noted that the notion of connective tissue refers to the tissues that support the body and allow the integration of its different systems. Bone tissue is made up of lamellae that form osteons. The union of the lamellae is produced by a calcified matrix that houses the osteocytes (bone cells). It should also be noted that the osteocyte, which is shaped like pumpkin seeds, can occur in three different forms: formative osteocyte, latent osteocyte, and recursive osteocyte. In addition to osteocytes, there are also other bone cells such as osteoclasts (which remove or reabsorb bone material) and osteoblasts (which are responsible for the formation of new bone tissue). In the structure of bone tissue one can distinguish between dense tissue (also called compact) and areolar tissue (spongy). Dense tissue is present in the outer layer of the longest bones and in different regions of the short bones. The areolar tissue, in turn, occupies most of the flat and short bones. Other interesting facts that are worth knowing about these two types of bone tissue are the following:

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-The compact is identified as both hard and brittle and even with a remarkable density. Thanks to their work, what is achieved is that the bones do not break or break very easily.

-The spongy, for its part, is responsible for forming the so-called epiphysis in long bones. Its main function is none other than to act as a structure that provides rigidity and considerable support to the bones, specifically to what is compact bone. Also interesting is the fact that connective tissue can be transformed into bone tissue. And this is something that is done through a process that responds to the name of ossification and that is the result of cellular, vascular or intercellular processes. Ossification that can be fundamentally of two types:

– Endochondral ossification, which occurs when the bones grow.

– Intermembranous ossification, which occurs around bones without structural function.

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