Leukocytes, or white blood cells, are responsible for the defense of the organism against potentially harmful microorganisms or molecules. What attribute of collagen is the source of its great tensile strength? It contains all the cell types and fibers previously described and is distributed in a random, web-like fashion. The matrix usually includes a large amount of extracellular material produced by the connective tissue cells that are embedded within it. Connective tissue in the tendon does not have abundant blood supply and heals slowly. The major component of the matrix is a ground substance often crisscrossed by protein fibers. LM 1600. Except where otherwise noted, textbooks on this site Macrophages, mast cells, lymphocytes, and plasma cells are found in connective tissue proper but are actually part of the immune system protecting the body. Adipose. 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tissue", "mesenchyme", "reticular fiber", "parenchyma", "reticular tissue", "supportive connective tissue", "license:ccby", "showtoc:no", "source[1]-med-594", "source[2]-med-594", "program:oeri", "authorname:humananatomyoeri" ], https://med.libretexts.org/@app/auth/3/login?returnto=https%3A%2F%2Fmed.libretexts.org%2FBookshelves%2FAnatomy_and_Physiology%2FHuman_Anatomy_(OERI)%2F03%253A_Tissue_Level_of_Organization%2F3.04%253A_Connective_Tissue, \( \newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}}}\) \( \newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash{#1}}} \)\(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( 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The mesenchymal cell is a multipotent adult stem cell. Leukocytes, white blood cells, are responsible for defending against potentially harmful microorganisms or molecules. Hyaline cartilage, the most common type of cartilage in the body, consists of short and dispersed collagen fibers and contains large amounts of proteoglycans. Cartilage contains chondrocytes and is somewhat flexible. Many different cells contribute to the formation of connective tissues. Loose connective tissue proper includes adipose tissue, areolar tissue, and reticular tissue. A layer of dense irregular connective tissue, the perichondrium, encapsulates the cartilage. How Are Consistency, Surface Tension and Viscosity Different? Like blood cells, mast cells are derived from hematopoietic stem cells and are part of the immune system. Elastic cartilage contains elastic fibers as well as collagen and proteoglycans. with stands great tensile strength in one direction ( tendons, ligaments) dense . This tissue is no longer present after birth, leaving only scattered mesenchymal cells throughout the body. Connective tissue proper includes the fixed cells fibrocytes, adipocytes, and mesenchymal cells. Cartilage contains chondrocytes and is somewhat flexible. are not subject to the Creative Commons license and may not be reproduced without the prior and express written San Antonio College, Whitney Menefee, Julie Jenks, Chiara Mazzasette, & Kim-Leiloni Nguyen, ASCCC Open Educational Resources Initiative, Connective Tissue Fibers and Ground Substance, https://openstax.org/books/anatomy-and-physiology, Identify and distinguish between the types of connective tissue: proper, supportive, and fluid, Explain the functions of connective tissues.

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