Connective tissue lecture notes pdf

Consists of webs of fibers and a variety of cells embedded within a matrix of soft,sticky gel. The kinds and amounts of fiber and ground substance determine the character of the matrix, which in turn defines the kind of connective tissue. Collagen is the most abundant class of proteins and pound for pound some are as strong as steel. Connective tissue consists of scattered cells immersed in an intercellular material called the matrix. Loose and dense connective tissue from a cows planum. Connective tissue in organs contains much less collagen and is more cellular. In histological technique a tissue is the bit under study. Characteristics of connective tissue medicine libretexts. Adipose tissue defies most criteria for ct, but frequently arises from fibroblasts or adventital cells resembling ct fibroblasts, and adipocytes are invested in. Epithelial, connective tissues lecture notes, lectures 1 5. Muscular tissues connective tissues urogenital system lining of body cavities and blood vessels endoderm becomes. Stomach the stomach connects the esophagus to the intestines and in most species serves not only to continue the breakdown of foodstuffs via the use of digestive enzymes and acid but it also as a. Functionally, the connective tissues are classified as follows. Note the numerous cytoplasmic extensions emanating from the neuronal cell body and the size of.

Connective tissue online histology course lecturio. Areolar loose connective tissue isareolar and adipose the most widely distributedconnective tissue connective tissue. This does not mean, however, that the connective tissue is merely supportive in function. The matrix consists of fibers and ground substance. Connective tissue immunity fat cell macrophage bacterium connective tissue serves a number of important functions. Connective tissue tissues, the major constituent of which is extracellular matrix. Collagen is the most abundant class of proteins and pound for pound some. As you examine the slide, note the large, oval shaped. It performs many essential functions by its own right. Human anatomy and physiology i anp1105 uploaded by. The stomach connects the esophagus to the intestines and in most species serves not only to continue the. It provides mechanical support to tissues and organs allowing them to resist tension and compression.

There is a wide range of vascularity among connective tissues, although most are well vascularized unlike epithelial tissues, which are all avascular. Connective tissue epithelia muscle nerve extracellular matrix extracellular matrix continuous. In the fresh condition they appear as colorless strands 1 to 12. Connective tissue fibers are of three principal types. In the course of bone degradation these cross bridges are separated from collagen fibers, released to blood and excreted to urine. Connective tissue, muscle tissue, epithelial tissue, and nervous tissue tissue is defined as the compound structure of similar cells performing the same function in the human organism. Read this article to learn about the connective tissue in humans. Gen connective tissue eral general composition of connective tissues. The connective tissue owes its name because it binds other tissues of the body. Organs, such as the small intestine, are structurally weaker than tendon because they require connective tissue to provide metabolic and immune support so the connective tissue must contain blood vessels, macrophages, lymphocytes. Collagen fibers are flexible and have a high tensile strenght.

It binds various tissue together like skin with the muscles and muscles with bones. These cells are absent in tendon allowing it to pack in more. There are several different types of collagens and their locations. Most connective tissues have a nerve supply as does epithelial tissue. In the light microscope they are stained with eosin in pink color. Epithelial, connective tissues lecture notes, lectures 1. Tissues such as bone, cartilage, and blood fit into this definition as well as others. Connective tissue serves a number of important functions. It organizes cells into tissues by binding to surface receptors on cells and regulating their growth and morphology.