Tissues and their functions and locations within the human body
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| Simple Squamous Epithelium | Structure: Thin, flat, 1 layer. Function: Diffusion, Osmosis, Filtration. Location: Lung air sacs, lining blood/lymph vessels | ||||
| Simple Cuboidal Epithelium | Structure: cubish, 1 layer. Function: secretion & absorption. Location: Kidney tubules, glands, ovaries | ||||
| Simple Columnar Epithelium | Structure: Column, 1 layer. Function: secretion, absorption & protection. Location: gastrointestinal tract, respiratory tract | ||||
| Pseudostratified Ciliated Columnar Epithelium | Structure: column, usually has goblet cells & cilia. Function: secretion, absorption & protection. Location: upper respiratory tract | ||||
| Stratified Squamous Epithelium Non-keratinized | Structure: flat-square, many layers. Function: protection. Location: esophagus, vagina, oral cavity, anal cavity | ||||
| Stratified Squamous Epithelium Keratinized | Structure: Flat-square, many layers. Function: protection. Location: skin | ||||
| Stratified Cuboidal Epithelium | Structure: cubish, usually 2-3 layers. Function: secretion & absorption. Location: larger ducts of glands, ovarian follicle | ||||
| Areolar (loose) Connective | Structure: has all cell & fiber types. Function: bind organs. Location: beneath skin, between muscles | ||||
| Adipose | Structure: cells(adipocytes). Function: insulation, protection, energy storage. Location: beneath, around heart & kidneys | ||||
| Reticular Connective | Structure: varied cells, reticular fibers. Function: bind & support. Location: spleen & liver | ||||
| Elastic Connective | Structure: elastic fibers & fibroblasts. Function: allow organs & structures to stretch. Location: arteries & lungs | ||||
| Dense Regular Connective | Structure: Parallel collagen fibers. Function: strong attachment. Location: tendons & ligaments | ||||
| Dense Irregular Connective | Structure: chaotic collagen fibers. Function: VERY strong attachment. Location: skin & heart valves | ||||
| Blood | Structure: red & white blood cells, platelets, plasma. Function: transport, immunity, clotting. Location: blood vessels | ||||
| Cartilage-Hyaline | Structure: chondrocytes & fine collagen fibers. Function: support & flexibility. Location: nose & trachea, ends of bones | ||||
| Cartilage-Elastic | Structure: Chondrocytes & elastic fibers. Function: support. Location: ear, epiglottis | ||||
| Cartilage-Fibrous | Structure: Chondrocytes, thick, wavy collagen fibers. Function: support, strong fusion. Location: intervertebral discs, knee, pubic symphysis. | ||||
| Compact Bone | Structure: osteons. Function: support & protection. Location: everywhere. | ||||
| Skeletal Muscle | Structure: Striated, multi-nucleated. Function: voluntary movement, heart production. Location: attached to bones | ||||
| Smooth Muscle | Structure: Nonstriated, 1 nucleus. Function: involuntary movement. Location: organs and blood vessels | ||||
| Cardiac Muscle | Structure: Striated branched & 1 nucleus. Function: involuntary- pump blood. Location: heart only. | ||||
| Nervous | Structure: has neurons & neuroglia. Function: neurons send impulses, neuroglia support neurons. Location: brain, nerves, spinal cord | ||||
| Goblet Cells | Location: intestinal walls | ||||
| Tight Intercellular Junction | Cell membranes fuse together to prevent leakage. Location: epithelial cells in GI tract, skin | ||||
| Desmosome Intercellular Junction | Spot welds reinforcement. Location: Epithelial skin cells. | ||||
| Gap Intercellular Junction | Membranes connected by protein channels. Location: heart muscle, some nerve cells. | ||||
| Organ | Two or more tissues performing a specific function together. | ||||
| Exocrine Glands | Secretion is to the outside. Location: sweat glands, salivary glands | ||||
| Endocrine Glands | Secretion is internal (blood or fluid). Location: thyroid gland & adrenal gland | ||||
| Endocrine Glands | Glands that are ductless. | ||||
| Unicellular Exocrine Glands | Glands have ducts. Composed of 1 cell. Example: goblet cell | ||||
| Mulitcellular Exocrine Gland | Glands have ducts. Composed of many cells. Examples: sweat glands, salivary glands. | ||||
| Merocrine Glands | Secrete fluid product only. Examples: salivary glands, pancreas & sweat glands | ||||
| Apocrine Glands | Secrete portions of cells & fluid product. Examples: mammary glands, ceruminous glands | ||||
| Holocrine Glands | Secrete whole cell & fluid product. Example: sebaceous glands |
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Created by:
jatkinson
on 2007-09-30