Connective Tissue Histology Questions and Answers 100% pass

Connective Tissue Histology Questions and Answers 100% pass Adipose connective tissue - ANS- Cell type: Adipocytes *Low ECM *single triglyceride droplet pushes cytoplasm/nucleus Location: Subcutaneous layer, around heart & kidneys, yellow bone marrow, joints, eyeball Function: store lipids, insulation, endocrine, cushioning Areolar connective tissue - ANS- Cell type: fibroblasts Fibers: all 3 types GS: Semi-fluid Location: Beneath epithelial, subcutaneous & papillary layer Function: Strength, elasticity, support, nutrient diffusion Blood connective tissue - ANS- Cell types: erythrocytes, thrombocytes, leukocytes Location: within blood vessels, heart chambers Function: Transport CO2, O2, immunity, phagocytosis, allergic reactions, blood clotting Canaliculi - ANS- Small canals that lacunae to each other and to large vascular canals Cartilage connective tissue - ANS- Cell type: Chondroblasts/chondrocytes Fibers: Gives strength GS: Firm/gelatinous, resiliency *Avascular Compact bone connective tissue - ANS- Cell type: osteocytes ECM: Lamellae, collagen fibers, ground substance, and inorganic salts Hard due to inorganic salts Location: surface of bones Function: Support, protection (tensile strength), storage, muscle leverage Connective tissue components - ANS- ECM (Fibers and ground substance) Connective tissues - ANS- Connects different tissues, immunity, energy storage, resists pulling forces, connect tissues, provides framework Dense connective tissue - ANS- Fibers: more, densely packed Cells: fewer fibroblasts GS: very little Dense irregular connective tissue - ANS- Fibers: Collagen bundles, irregularly arranged GS: little Location: reticular region dermis, Fibrous pericardium, periosteum bone, joint capsules, organ membranes Function: resist tension in many directions Dense regular connective tissue - ANS- Fibers: Parallel collagen bundles in same direction GS: Little Location: ligaments (bone to bone), tendons (bone to muscle) Function: Strong structural attachment, long axis tension Elastic cartilage connective tissue - ANS- Cell type: More chondrocytes (in lacunae) Fibers: Elastic fiber thread work Location: Epiglottis, auricle external ear, auditory tubes Function: strength/elasticity, maintains structural shape Fibers - ANS- reticular, collagen, elastin Fibrocartilage connective tissue - ANS- Cell type: Fewer chondrocytes (in lacunae) Fibers: Thick collagen fibers (strength) Location: Intervertebral discs, knee menisci Function: Support/joining structures, rigidity Ground Substance - ANS- Fluid, semi-fluid, gelatinous, or hard GS secreted by CT cells Hyaline cartilage connective tissue - ANS- Cell type: chondrocytes (in lacunae) Fibers: Fine collagen fibers GS: Resilient gelatinous Location: Ends of long bones, anterior region nose/ribs, part of larynx, trachea, and bronchi, embryonic/fetal skeleton Function: Smooth surfaces for movement at joints, flexibility, support Lamellae - ANS- Concentric rings of ECM containing salts and collagen fibers Loose connective tissues - ANS- Fibers: loosely arranged