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What are some connective tissue?
The three types are collagenous fibers, elastic fibers, and reticular fibers. Some examples of collagenous fibers are; tendons, skin, bone, teeth, hyaline cartilage, vitreous humor, the lens of the eye, cartilage, hair, and placenta. Some examples of elastic fibers are found in arteries, veins, and elastic cartilage. Some examples of reticular fibers are found in the meshwork of bone marrow, the liver, and lymphatic system.
What are connective tissues?
The three types are collagenous fibers, elastic fibers, and reticular fibers. Some examples of collagenous fibers are; tendons, skin, bone, teeth, hyaline cartilage, vitreous humor, the lens of the eye, cartilage, hair, and placenta. Some examples of elastic fibers are found in arteries, veins, and elastic cartilage. Some examples of reticular fibers are found in the meshwork of bone marrow, the liver, and lymphatic system.
What substance in bones gives them a small amount of flexability?
Because they contain collagen, which gives some flexibility
What are some chemical properties of the Dermis?
Collagen fibers makes up 75% of the dermis, which is the inner layer of skin that protects the body from physical stress, it also contains elastic fibers, and ground substances.
What are the differences between Hyaline cartilage elastic cartilage and fibrocartilage?
Fibrocartilage is found in intervertebral discs, in menisci of joints, and often occurs where tendon and ligament are joined to bones. It's main function is to reduce friction between the joints Hyaline cartilage is found lining articular surfaces, and in the nasal septum, tracheal rings, coastal cartilages, and the epiphyseal cartilage of growing bone. It has great tensile strength and provides flexible support.
Are scales composed from chitin?
While most fish scales are made of out cartilage (collagen), some fish (such as tilapia and carp) have scales that are made from chitin.
How are the functions of connective reflected in its structure?
There are a few typrs of connective tissue (CT). If we talk about collagen type 4, the most common type, it is strong and stable, and also somewhat elastic. These characteristics are all related to the structure: the fibers are very, very strong, and they are linked together with hyaluronidase chains which give them some flexibility.Other, more elastic types of CT are made of softer units of collagen, and linked in a sort of mesh (sort of a random collection, almost as if it's glued together). That mesh contributes to its function as a cushion.Connective tissues like cartilage (for example) are made up of the same molecules but these molecules, like collagen, actually have different types. Collagen has types I, II, III, and IV (there are more, actually like 20+ but the first four are pretty common).Collagen type I is used extensively in cartilage that functions for structure and support since it can form collagen bundles, which are strong.Collagen type II can form collagen fibrils, which are less strong, so cartilage with type II collagen would be used for something else other than structure or support.Fibrocartilage is a unique type of cartilage in that it has both cartilage types I and II, allowing it to have a unqiue blend of hyaline cartilage and elastic cartilage properties. you would find fibrocartilage in the intervertebral discs between your vertebrae. elastic cartilage (which uses just type II collagen) is found in the external ear and the epiglottis, where it allows for stretching and while still providing the necessary function of shape retention (if I remember correctly, elastin is a hydrophobic molecule which causes it to coil up in the aqueous environment, stretching out straight only when tugged upon by some force. when it is let go from the force, it recoils again so that it can reduce its contact with the aqueous environment.)there are 100 different and unique proerties of connective tissues that relate to their structures and function, this is just one example that I could think of.It is found everywhere in the body. It is the most abundant and widely distributed of the tissue types. It is involved in protecting, supporting, and binding together other body tissues.
What is cartilage made of?
epiphyseal plate
What is our ear made of?
Cartilage, which is a type of connective tissue in the body. It is made of cells called chondrocytes embedded in a matrix, strengthened with fibers of collagen and sometimes elastin, depending on the type. There are three different types: hyaline cartilage, elastic cartilage, and fibrocartilage. This tissue serves to provide structure and support to the body's other tissues without being as hard or rigid as bone. It can also provide a cushioning effect in joints.This type of tissue is avascular, meaning that it is not supplied by blood vessels; instead, nutrients diffuse through the matrix. Cartilage is usually flexible, again depending on the type. Some of the bodily structures that include it are the ears, nose, ribcage, and intervertebral discs.Hyaline cartilage makes up the majority of that found in the human body. It lines the bones in joints, helping them to articulate smoothly. This type contains mostly type II collagen fibers.Elastic cartilage is more flexible than the other types because of the elastin fibers it contains. It is found in the outer ear, the larynx, and the Eustachian tubes, for example. This type provides the perfect balance of structure and flexibility and helps keep tubular structures open.
What are the steps in bone deposition?
§The initial stage in bone production is the secretion of collagen molecules and ground substance by osteoblasts. §The collagen monomers polymerize rapidly to form collagen fibers. §The resultant tissue becomes osteoid §As the osteoid is formed, some of the osteoblasts become entrapped in the osteoid and become quiescent osteocytes. §Within a few days after the osteoid is formed, calcium salts begin to precipitate on the surfaces of the collagen fibers. §The precipitates first appear at intervals along each collagen fiber, forming minute nidi that rapidly multiply and grow over a period of days and weeks into the finished product, hydroxyapatite crystals. hope thats good enough :)
The connective tissue cell responsible for the synthesis and secretion of connective tissue fibers is?
Fibroblasts are the most common resident cells in ordinary connective tissue. Fibroblasts are responsible for secreting collagen and other elements of the extracellular matrix of connective tissue.
Is chicken cartilage good for you?
Not bad really, but it has no real food value and some people can have difficulty digesting it.
