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a&p tissues
| Question | Answer |
|---|---|
| gel-like matrix with all three fiber types; cells: fibroblasts, macrophages, mast cells | loose connective areolar |
| function: wraps and cushions organs; plays an important role in inflammation | loose connective areolar |
| location: widely distributed under epithelia of the body; packages organs; surrounds capillaries | loose connective areolar |
| same matrix as areolar, but very sparse; closely packed fat cells; the nuclei are pushed to the side because of the large fat droplets | loose connective adipose |
| function: provides reserve fuel; insulates against heat loss; supports and protects organs | loose connective adipose |
| location: under skin, around kidneys and eyeballs; within abdomen; in breasts | loose connective adipose |
| network of reticular fibers in a typical loose ground substance; reticular cells lie on the network | loose connective reticular |
| function: fibers form a soft internal skeleton that supports other cell types including white blood cells, mast cells, and macrophages | loose connective reticular |
| location: lymphoid organs like the lymph nodes, bone marrow, and spleen | loose connective reticular |
| primarily parallel collagen fibers, a few elastic fibers; major cell type is the fibroblast | dense regular |
| function: attaches muscles/bones to other muscles/bones; withstands great stress when pulling force is applied in one direction | dense regular |
| location: tendons, most ligaments such as the shoulder joint | dense regular |
| regular connective tissue containing a high proportion of elastic fibers | dense elastic |
| function: allows recoil of tissue following stretching; maintains the flow of blood through arteries | dense elastic |
| location: walls of large arteries, within the walls of the bronchial tubes, within certain ligaments associated with the vertebral column | dense elastic |
| primarily irregularly arranged collagen fibers; some elastic fibers; major cell type is the fibroblast | dense irregular |
| function: able to withstand tension exerted in many directions; provides structural strength | dense irregular |
| location: fibrous capsules of organs and of joints; dermis of the skin | dense irregular |
| amporphous but firm matrix; collagen fibers form a subtle network; chondroblasts produce the matrix and when they mature they lie in lacunae | hyaline cartilage |
| function: supports and reinforces; has resilient cushioning peroperties; resists compressive stress | hyaline cartilage |
| location: forms most of the embryonic skeleton; covers the ends of long bones in the joint cavities; forms costal cartilages of the ribs; cartilages of the nose, trachea, and larynx | hyaline cartilage |
| similar to hyaline cartilage but more elastic fibers in matrix; chondrocytes lie in lacunae | elastic cartilage |
| function: maintains the shape of a structure while allowing great flexibility | elastic cartilage |
| location: supports the external ear; epiglottis | elastic cartilage |
| matrix ximilar to but less firm than that in hyaline cartilage; thick collagen fibers predominate | fibrocartilage |
| function: tensile strength with the ability to absorb compressive shock | fibrocartilage |
| location: intervetebral discs; pubic symphysis; discs of knee joint | fibrocartilage |
| hard, calcified matrix containing many collagen fibers; osteocytes lie in lacunae; very well vascularized | bones |
| supports and protects; provides levers for the muscles to act on; stores calcium and other minerals and fat; marrow inside is the site for blood cell formation | bones |
| red and white cells in fluid matrix called plasma; contains lymphocytes and neutrophil | blood |
| function: transport of respiratory gases, nutrients, wastes, and other substances | blood |
| neurons are branching ells; cell processes that may be quite long extend from the nucleus-containing cell body; also contributing to nervous tissue are non irritable supporting cells | nervous tissue |
| function: transmit electrical signals from sensory receptors and to effectors which control their activity | nervous tissue |
| location: brain, spinal cord, and nerves | nervous tissue |
| long, cylindrical, multinucleate cells; obvious striations | skeletal muscle |
| function: voluntary movement; locomotion; manipulation of the environment; facial expression; voluntary control | skeletal muscle |
| location: attached to bone | skeletal muscle |
| branching, striated, generally uninucleate cells that interdigitate at specialized junctions | cardiac muscle |
| function: as it contracts, it propels blood into the circulation; involuntary control | cardiac muscle |
| location: walls of the heart | cardiac muscle |
| spindle-shaped cells with central nuclei; no straitens; cells arranged closely to form sheets | smooth muscle |
| function: propels substances or objects along internal passageways; involuntary control | smooth muscle |
| location: mostly in the walls of hollow organs | smooth muscle |
Created by:
aahenderson9
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