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AnatomyPhysiology926
| Question | Answer |
|---|---|
| What is a tissue? | Group of cells that are similar in structure and function |
| What are the four major tissue types? | Epithelial, Connective, Muscle, and Nervous |
| Which tissue type is most abundant? | Connective Tissue |
| What are the general functions of epithelial tissue? | Protection: Protects against bacterial and chemical damage in the lungs. Filtration: The kidneys absorb and filter. Secretion: Specialty of glands that gets rid of waste |
| How is epithelia classified? | Shape and Cell Layers. Simple and Stratified. Squamous, Cuboidal, and Columnar |
| Simple Epithelium | One layer of cells |
| Stratified Epithelium | More than one cell layer |
| Pseudostratified Columnar Epithelium | Rest on a basement membrane |
| Describe stratified epithelial tissue. | More than one cell layer |
| Describe simple epithelial tissue | One layer of cells |
| Where can epithelial tissue be found? | Skin, walls of capillaries, walls of kidneys, tubules, surface of ovaries, lines the length of the digestive tract from the stomach to the anus, lines urinary bladder, ureters and part of the urethra |
| How do endocrine glands differ from exocrine glands? | Endocrine glands are ductless whose secretors empty through the ducts into the blood. Exocrine glands have ducts and secretions empty through the ducts to the epithelial surface. |
| What are the general functions of connective tissue? | Protects, supports, and binds together other body tissues |
| What are some examples of connective tissue? | Bone, cartilage, tendons, ligaments, etc. |
| What is a ligament? | Connect bones to bones at joints |
| What is a tendon? | Attach skeletal muscles to bones |
| Describe hyaline cartilage | Forms the supporting structures of the larnyx, attaches ribs to the breastbone, and covers the ends of bones where the form joints. Has a glassy, transparent look. |
| What are the functions of muscle tissue? | Contract (shorten) to produce movement |
| What are the three types of muscle tissue? | Skeletal, Cardiac, and Smooth |
| Skeletal Muscle | Muscles attached to the skeleton to voluntarily control the bones and skin to form movement |
| Cardiac Muscle | Found only in the heart, involuntary muscle, contracts to pump and propel blood through the blood vessels |
| Smooth Muscle | Muscle consisting of spindle shaped, unstriped (nonstriated) muscle cells, involuntary muscle, becomes smaller or enlarges to let substances be propelled through an organ on a specific pathway |
| What are the functions of nervous tissue? | Irritability and Conductivity |
| Where can nervous tissue be found? | Brain, spinal cord, and nerves |
| What are the two ways in which tissue repair may occur? | Regeneration and Fibrosis |
| Regeneration | Replacement of destroyed tissue by same kind of cells |
| Fibrosis | Repair by dense, fibrous, connective tissue and only occurs depending on the type of tissue damaged and the severity of the injury |
| Which types of tissue regenerate most easily? | Epithelial and Connective tissues |
| Which tissues do not regenerate? | Nervous tissue |
| What are two types of neoplasm? | Malignant and Benign |
| Malignant | Positive for that disease |
| Benign | Clean of that disease |
Created by:
AndreaPost
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