What connective tissue is found in long bones?
The outside of the bone consists of a layer of connective tissue called the periosteum. Additionally, the outer shell of the long bone is compact bone, then a deeper layer of cancellous bone (spongy bone) which contains in the medullary cavity the bone marrow….
|Anatomical terms of bone|
Is dense connective tissue found in bone?
Dense Regular Connective Tissue In this type of tissue, the collagen fibres are densely packed, and arranged in parallel. This type of tissue is found in ligaments (which link bone to bone at joints) and tendons (connections between bones or cartilage and muscle).
Where is dense connective tissue located?
There are two main forms of dense connective tissues: dense regular connective tissue – found in tendons and ligaments. dense irregular connective tissue – found in lower layers of the skin (dermis) and in the protective white layer of the eyeball.
What is the dense connective tissue that holds bone to bone?
A ligament is a fibrous connective tissue that attaches bone to bone, and usually serves to hold structures together and keep them stable.
What is spongy bone called?
Cancellous bone, also called trabecular bone or spongy bone, light, porous bone enclosing numerous large spaces that give a honeycombed or spongy appearance. The bone matrix, or framework, is organized into a three-dimensional latticework of bony processes, called trabeculae, arranged along lines of stress.
What cells are found in dense regular connective tissue?
Fibroblasts are usually the most numerous cells in dense connective tissue. They are responsible for the synthesis of collagen and extracellular matrix. They are present close to the collagen fibers and appear as flattened, fusiform or spindle shaped cells.
What’s the difference between loose and dense connective tissue?
The main difference between loose connective tissue and dense connective tissue is that loose connective tissue consists of protein fibers packed with spaces whereas dense connective tissue consists of tightly packed protein fibers.
Where in the body do you find dense irregular connective tissue?
The dense irregular connective tissues are found in the lower layers of the skin (dermis) and in the protective white layer of the eyeball. See also: connective tissue. dense regular connective tissue.
What are examples of dense connective tissue?
In particular, tendons and ligaments are examples of dense regular connective tissue. Tendons connect muscles to bones whereas ligaments connect a bone to another bone. Other examples include the perichondrium around the tracheal cartilage and the tunica albuginea around the testis.
Is attached to bones via tendons?
Skeletal muscles are attached to the skeleton by tough connective tissues called tendons(see Figure above). Many skeletal muscles are attached to the ends of bones that meet at a joint. The muscles span the joint and connect the bones. When the muscles contract, they pull on the bones, causing them to move.
What tissue cushions and protects the ends of bones?
Cartilage is a type of firm, thick, slippery tissue that coats the ends of bones where they meet with other bones to form a joint. Cartilage acts as a protective cushion between bones.
What kind of fibers are in dense connective tissue?
Dense connective tissue contains more collagen fibers than loose connective tissue. Dense regular connective tissue (Figure 4) has fibers arranged in neatly organized, parallel bundles. It has both collagen and elastic fibers, which provide great tensile strength and elasticity in one direction.
What kind of tissue is found in tendons and ligaments?
Dense regular connective tissue is found in tendons and ligaments. Dense irregular connective tissue (Figure 5) is composed of haphazardly arranged, densely packed collagen bundles with many purple stained fibroblasts present. Collagen and elastic fibers spread in many directions, providing increased elasticity.
Where are the fibrous connective tissues found in the body?
Fibrous connective tissues contain large amounts of collagen fibers and few cells or matrix material. The fibers can be arranged irregularly or regularly with the strands lined up in parallel. Irregularly arranged fibrous connective tissues are found in areas of the body where stress occurs from all directions, such as the dermis of the skin.
What makes up the ground substance of connective tissue?
Dense Irregular Connective Tissue. Ground substance is amorphous and gel-like in texture that surrounds cells. It contains molecules such as proteoglycans and adhesive glycoproteins, and like collagen fibers are produced by fibroblasts. Collagen fibers have good tensile strength and are therefore important in support.