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Anatomychapter4
Tissues and membranes
| Question | Answer |
|---|---|
| Tissue | A group of cells with similar structure an function |
| What are the 4 major groups of tissue | Epithelial, connective, muscle and nerve |
| Epithelial are what? | Coverings an linings |
| Epithelial has no what? | Capillaries, gets nutrients from connective tissue below |
| Squamous | Flat |
| Cuboidal | Cube shaped |
| Columnar | Tall and narrow |
| Simple layers is how many? | 1 |
| Stratified is how many layers? | Many layers |
| Simple squamous epithelium | 1 layer, smooth, thin and flat |
| Stratified squamous epithelium | Many layers of mostly flat cells |
| Transitional epithelium | Stratified epithelium with varied shapes of layers |
| Where is transitional epithelium? | Urinary bladder, the cells flatten as bladder streched |
| Unicellular | 1 cell |
| Example of unicellular | Goblet cells, found in gi and respiratory tracts |
| Ciliated epithelium | Columnar cells with cilia |
| Exocrine glands have | Ducts |
| Endocrinr glands are | Ductless |
| Endocrine secretes directly into where? | Into blood and interstitial fluid |
| Endocrine secret what? | Hormones |
| Connective tissue have both _____ & _______ | Matrix & cells |
| Matrix | Structure network or solution of living intercellular material |
| In blood what is the matrix? | Plasma |
| Areolar cells are what? | Fibroblast-- produce protein fibers |
| Areolar fibers are whet 2 kinds | Colagen and elastin |
| Adipose cells are called | Adipocyts |
| Adipostcyts store what? | Fat |
| What are the different types of adipose? | Brown and White |
| Explain the two different adipose | Brown is less abundant in adults and white is more abundent and is used to store energy when food intake is less |
| Brown adipose? | Is more abundant in children because they do not have the shivering mechanism that adults have |
| Adipose is exocrine or endocrine? | it is and endocrine because it produces at least one hormone. |
| Fibrous connective tissue consists of what? | Parallel collagen fibers with fewer fibroblasts scattered among them. This parallel is arranged to give greater strength than flexiablity |
| Where is fibrous connective tissue found? | outer walls of arteries, tendons |
| Fibrous tissue has good or bad blood supply? | It has a poor blood supply which results in slow healing |
| Elastic Connective Tissue is made of primarily what fibers? | Elastin |
| What is one function of the elastic connective tissue? | stretching to help with contraction ex; arteries of the heart; it contracts and pumps blood, then they recoil when the heart relaxes |
| Which connective tissue is important to maintain normal blood pressure? | Elastic connective tissue |
| what is bones prefix? | Osteo |
| Bone cells are called what? | Osteocytes |
| The matrix of the bone is what? | calcium salts, and collagen. It makes it strong and not flexible |
| Bones have good or bad blood supply? | Good which allows quick healing process |
| The matrix of cartilage is what? | Carbohydrate and protein |
| Cartilage contains more ______ which makes it resistant | water |
| Cartilage has a good or bad blood supply? | A poor blood supply which makes the healing process slower. |
| What are cartilage cells called? | chondrocytes |
| Skeletal muscle is ______ and ______ | striated and voluntary |
| Skeletal muscles have single or many nuclei and are cylindrical or tapered ends? | many nuclei and cylindrical |
| Smooth muscles are ______and_____ | involuntary and visceral |
| Smooth muscle is single or many nucle and cylindrical or tapered ends? | single and tapered ends |
| Cardiac muscles serve what purpose? | They re branched have one nucleus and have faint striations. They have interlocking folds and permit the electrical impulses of muscle contraction to pass from cell to cell. |
| The contraction of myocardium create what and keep what circulation? | blood pressure and blood circulation |
| the heart muscle is called what? | Myocardium |
| Nerve tissue consist of what? | neurons |
| what are the two divisions of the nervous system? | CNS and PNS |
| The cell body consists of what? | nucleus, axon, dendrites |
| what is the place where neurons meet where theyre is a small space? | synapses |
| Impulse transmition depends on what chemical? | neurotransmitters |
| Nerve tissue makes up what? | brain spinal cord and peripheral nerves |
| Serous membranes | sheets of simple squamous epithelium that line closed body cavities and cover the organs in these cavities |
| Pleural membranes are the serous membrane of what cavity? | Thoracic |
| Visceral cavity covers what? | lungs |
| Pleural membranes secrete what? | serous fluid which prevents friction between the the cavity and the lungs |
| pericardium | lines fibrous pericardium and the visceral peridcardium |
| mucous membranes line what? | body tracts that are open to the enviroment (GI tract, respiratory urinary and reproductive) |
Created by:
AmandaGuillen
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