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connective tissue

TermDefinition
Loose Connective Tissue Characterized by loosely arranged fibers and cells with a significant amount of ground substance; binds structures while allowing movement.
Areolar Connective Tissue Widely distributed loose connective tissue containing fibroblasts, macrophages, mast cells, and white blood cells; has loosely arranged collagen, elastic, and reticular fibers.
Areolar Connective Tissue Function Binds tissues and organs, allows nutrient and waste exchange, supports organs, and participates in inflammation and immunity.
Areolar Connective Tissue Key Features Allows movement and binds cells and fibers.
Adipose Connective Tissue Connective tissue primarily composed of adipocytes specialized for storing fat (lipids).
Adipose Connective Tissue Function Stores energy as triglycerides, provides insulation, and cushions and protects organs.
Adipose Connective Tissue Key Features Stores nutrients, insulates, and protects organs.
Reticular Connective Tissue Connective tissue characterized by a network of fine reticular fibers that form a delicate mesh-like framework.
Reticular Connective Tissue Function Provides structural support for organs such as the spleen, lymph nodes, and bone marrow and allows passage of cells and fluids.
Reticular Connective Tissue Key Features Resembles a dense spider web and provides structure while allowing substances to flow.
Dense Connective Tissue Connective tissue distinguished by tightly packed collagen fibers that provide significant strength and resistance to stretching.
Dense Regular Connective Tissue Connective tissue with collagen fibers arranged in parallel bundles and fibroblasts in rows between the fibers.
Dense Regular Connective Tissue Function Provides great tensile strength in one direction and withstands strong, unidirectional tension.
Dense Regular Connective Tissue Key Features Forms tendons and ligaments and contains tightly organized collagen bundles.
Dense Irregular Connective Tissue Connective tissue with collagen fibers interwoven in a random, unorganized pattern.
Dense Irregular Connective Tissue Function Provides strength in multiple directions and is found in areas exposed to tension from various directions.
Dense Irregular Connective Tissue Key Features Forms the dermis and contains tightly packed, unorganized collagen bundles.
Cartilage Flexible connective tissue that provides support and cushioning while remaining somewhat pliable; lacks blood vessels and nerves and heals slowly.
Cartilage Main Cell Chondrocytes produce and maintain the cartilage matrix.
Hyaline Cartilage The most common type of cartilage, with a smooth, glassy appearance caused by fine collagen fibers dispersed throughout its matrix.
Hyaline Cartilage Function Provides support and flexibility in articular surfaces of bones, costal cartilages, nose, trachea, and larynx.
Hyaline Cartilage Key Features Provides support while remaining pliable and is the most abundant form of cartilage.
Elastic Cartilage Cartilage containing a high proportion of elastic fibers in addition to collagen fibers, giving it greater flexibility and resilience.
Elastic Cartilage Function Supports structures that need to bend and return to their original shape, such as the external ear and epiglottis.
Elastic Cartilage Key Features Provides support while allowing stretching and flexibility.
Fibrocartilage The strongest and most rigid type of cartilage, containing thick bundles of collagen fibers that resist compression and tension.
Fibrocartilage Function Acts as a shock absorber and is found in intervertebral discs, menisci of the knee, and pubic symphysis.
Fibrocartilage Key Features Provides strong support and handles heavy pressure.
Bone Tissue Hard, mineralized connective tissue composed of collagen fibers and calcium salts; mature bone cells called osteocytes are embedded in lacunae.
Bone Tissue Function Provides structural support, protects organs, provides muscle attachment sites, stores calcium and phosphorus, and houses bone marrow for blood cell production.
Bone Tissue Key Features Hard tissue made of collagen fibers and calcium surrounding osteocytes.
Blood Tissue Unique connective tissue consisting of a fluid matrix called plasma with dissolved proteins, ions, and other substances, plus suspended cells.
Blood Tissue Function Transports oxygen, nutrients, hormones, and wastes; defends against infection; and regulates body temperature and pH.
Blood Tissue Key Components Red blood cells (erythrocytes), white blood cells (leukocytes), platelets (thrombocytes), and plasma.
Blood Tissue Key Features Contains red blood cells, proteins, and a fluid matrix called plasma.
Created by: sb4
 

 



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