Connective tissue

A diverse group of tissues that support, bind, and protect other tissues and organs throughout the body.

Connective tissue is one of the four primary types of tissue in the body, serving to connect and support various structures. It consists of a variety of cells, fibers, and a ground substance that provide strength, elasticity, and metabolic support. There are several subtypes of connective tissue, including loose connective tissue, dense connective tissue, adipose tissue, cartilage, bone, and blood, each with distinct functions and characteristics.

Terminologia Anatomica

tela-connectiva

System

Connective tissue system

Function

The main function of connective tissue is to provide support and structure to the body, functioning as a framework that supports organs and other tissues. Loose connective tissue acts as a cushion and insulator, supporting other tissues while allowing for flexibility and cellular communication. Dense connective tissue provides strength and resistance to tearing, making it crucial for tendons and ligaments. Adipose tissue stores energy, acts as an insulator, and protects vital organs. Cartilage provides flexible support and cushioning at joints, while bone tissue provides structural integrity and support. Blood, a unique type of connective tissue, plays a crucial role in transporting oxygen and nutrients while facilitating immune responses.

Location

Connective tissue is found throughout the body in various forms and locations. Loose connective tissue can be found beneath the skin and around organs, serving as a protective layer. Dense connective tissue, such as tendons and ligaments, connects muscles to bones and bones to other bones, respectively, and is typically located around joints and areas requiring stability. Adipose tissue is distributed throughout the body, particularly in the abdominal cavity, under the skin, and around organs, providing insulation and energy storage. Cartilage is located in areas such as the joints, between the ribs and the sternum, and in the ears and nose, providing cushioning and flexibility. Bone tissue comprises the skeletal system, providing structural support and housing bone marrow. Blood circulates within the cardiovascular system, transporting essential substances throughout the body.

Did You Know?

Connective tissue comprises more than just structural components; it also contains cells that play crucial roles in immune responses and healing.
Adipose tissue is not just a fat storage depot; it also acts as an endocrine organ, secreting hormones that regulate metabolism.
Cartilage does not have its own blood supply and relies on diffusion from surrounding tissues for nutrients.
The longest type of connective tissue in the body is the tendon, which can be several centimeters long, based on muscle attachments.