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ch.4
Tissue and Membranes
| Term | Definition |
|---|---|
| Tissue | group of cells that have a similar structure and that function together as a unit |
| 4 types of tissue | epithelial, connective, muscle, nervous |
| Basement Membrane | (opposite of the free surface) cells are attached to underlying connective tissue by a noncellular matrix |
| Simple Epithelial | single layer |
| Stratified Epithelial | Many layers |
| Simple Squamous | single layer of thin flat cells |
| Simple Cubodial | single layer of cubed shaped cells, that over the kidneys,tublets,ovaries and glands |
| Simple Columnar | single layer of tall cells, usually lining the stomach |
| Goblet Cells | flask (goblet) shaped cells that secrete mucus |
| Stratifed Squamous | forms the outer later of the skin and extends short distance into every body opening continous with the skin |
| Transitional Epithelium | specialized several layers that can be stretched thinner |
| Glandular Epithelium | Specialized to produce and secrete substances |
| Connective Tissue | binds together structures |
| Loose Conn. Tissue | packing material in the body |
| Adipose | Fat |
| Dense Fibrous (2 types)` | Tendons: Muscle to bone Ligaments: Bone to tissue |
| Elastic Tissue | Most flexible |
| Cartilage Tissue (2 types) | hyaline: most common cartilage fibrocartilage: strong collagenous |
| Bone | osseous: most rigid of all connective tissue |
| Blood | Liquid Matrix |
| Erythrocytes | red blood cells |
| leukocytes | white blood cells |
| thrombocytes | platelets |
| Muscle Tissue | specialized ability to move and connect |
| Skeletal Muscle | typical muscle: makes up 40% of body |
| Smooth Muscle | Found in the walls: hollow body organs |
| Cardiac Muscle | only in the wall of the heart |
| Nervous Tissue | brain, spinal cord, and nerves contains NUERONS (Nerve cells) called NEUROGLIA |
| Inflammation | nonspecific defense mechanism that attempts to locate or contain tissue injury to prepare area for healing |
| Regeneration (tissue repair) | replacement identical to the original cell |
| Fibrosis (tissue repair) | replacement by scar tissue |
| Intracellular matrix | nonliving material |
| Membrane | thin sheet of tissue that covers the body, line cavities and cover organs |
| Mucous Membrane | epithelial membrane |
| Serous Membrane | lined body cavity is covered by a thin later of serous fluid to reduce friction |
| Synovial Membrane | Connective tissue lines cavities of the freely movable joints, also secretes synovial fluid |
| Menigges | connective tissue convering around the brain and spinal (dorsal cavity) |
Created by:
AshleyRenay
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