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Osteocytes, bone cells like chondrocytes, are located within lacunae. It allows water, salts, and various nutrients to diffuse through to adjacent or imbedded cells and tissues. Anatomy & Physiology Ch 4 Tissues and Functions - Quizlet White adipose tissue is most abundant. Reticular tissue is a mesh-like, supportive framework for soft organs such as lymphatic tissue, the spleen, and the liver (Figure \(\PageIndex{4}\)). Chapter 13 - Connective Tissue Supports and Protects - BIO 140 - Human With proper rest and managed care, you will be back on the court to hit that slice-spin serve over the net. Connective tissues separate and cushion organs, protecting them from shifting or traumatic injury. lab quiz 2 tissues, integumentary system Flashcards | Quizlet White adipose tissue can be found protecting the kidneys and cushioning the back of the eye. 3.4: Connective Tissue - Medicine LibreTexts Why does an injury to cartilage, especially hyaline cartilage, heal much more slowly than a bone fracture? What is tendinitis and how did it happen? - Reticular fibersbundles of special type of collagen. It provides protection to internal organs and supports the body. (Micrograph provided by the Regents of University of Michigan Medical School 2012), (a) Dense regular connective tissue consists of collagenous fibers packed into parallel bundles. The mesenchymal cell is a multipotent adult stem cell. (b) Dense irregular connective tissue consists of collagenous fibers interwoven into a mesh-like network. Reticular cells produce the reticular fibers that form the network onto which other cells attach. Elastic fibers are prominent in elastic tissues found in skin and the elastic ligaments of the vertebral column. You hear of tennis and golfers elbow, jumper's knee, and swimmers shoulder. Connective tissues come in a vast variety of forms, yet they typically have in common three characteristic components: cells, large amounts of amorphous ground substance, and protein fibers. Types of Tissues Flashcards | Quizlet While no treatment is currently available, it is often recommended that liquids be thickened to improve the safety of swallowing and prevent liquids from being . Blood is a fluid connective tissue, a variety of specialized cells that circulate in a watery fluid containing salts, nutrients, and dissolved proteins in a liquid extracellular matrix. This tissue gives rigid support as well as elasticity. The amount and structure of each component correlates with the function of the tissue, from the rigid ground substance in bones supporting the body to the inclusion of specialized cells; for example, a phagocytic cell that engulfs pathogens and also rids tissue of cellular debris. It forms the lamina propria of mucus membranes; packages organs; surrounds capillaries. Structural Organization of the Human Body, Elements and Atoms: The Building Blocks of Matter, Inorganic Compounds Essential to Human Functioning, Organic Compounds Essential to Human Functioning, Nervous Tissue Mediates Perception and Response, Diseases, Disorders, and Injuries of the Integumentary System, Exercise, Nutrition, Hormones, and Bone Tissue, Calcium Homeostasis: Interactions of the Skeletal System and Other Organ Systems, Embryonic Development of the Axial Skeleton, Development and Regeneration of Muscle Tissue, Interactions of Skeletal Muscles, Their Fascicle Arrangement, and Their Lever Systems, Axial Muscles of the Head, Neck, and Back, Axial Muscles of the Abdominal Wall and Thorax, Muscles of the Pectoral Girdle and Upper Limbs, Appendicular Muscles of the Pelvic Girdle and Lower Limbs, Basic Structure and Function of the Nervous System, Circulation and the Central Nervous System, Divisions of the Autonomic Nervous System, Organs with Secondary Endocrine Functions, Development and Aging of the Endocrine System. Organ capsules (collagenous type) and walls of arteries (elastic type) contain dense irregular connective tissue. Accessibility StatementFor more information contact us atinfo@libretexts.org. By the end of the section, you will be able to: As may be obvious from its name, one of the major functions of connective tissue is to connect tissues and organs. Connective tissue is a heterogeneous tissue with many cell shapes and tissue architecture. Some applications require a ligament to balance tensile strength and elasticity, and thus contain elastic fibers in addition to collagen fibers that allow the ligament to return to its original length after stretching. This layer of areolar connective tissue serves as an anchor for the serous membranes to surrounding superficial structures. Cancellous bone, also known as spongy bone, looks like a sponge under the microscope (Figure \(\PageIndex{7}\)) and contains empty spaces between trabeculae, or arches of bone proper.