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Tissues
BIO 208: A&P - Tissue Types
| Term | Definition |
|---|---|
| Simple Squamous Epithelium | Single layer of flattened cells, 1 nucleus. Looks like fried egg. |
| Where is Simple Squamous Epithelium found? | Alveoli of lungs |
| What is the function of Simple Squamous Epithelium cells? | Diffusion, filtration |
| Simple Cuboidal Epithelium | Thick cube shaped cells, 1 central nucleus |
| Where is Simple Cuboidal Epithelium found? | Kidney tubules, glands |
| What is the function of Simple Cuboidal Epithelium cells? | Active transport, diffusion, secretion |
| Simple Columnar Epithelium | Tall thin, 1 nucleus at the bottom of the cell |
| Where is Simple Columnar Epithelium found? | Stomach, intestines |
| What is the function of Simple Columnar Epithelium cells? | Secretion, absorption |
| Stratified Squamous Epithelium | Thick layer at the apical surface but below is cuboidal |
| Where is Stratified Squamous Epithelium found? | Mouth, esophagus, skin |
| What is the function of Stratified Squamous Epithelium cells? | Protection, barriers |
| Pseudostratified Columnar Epithelium | Looks like more than 1 layer, but only 1 layer |
| Where is Pseudostratified Columnar Epithelium found? | Glands, ducts, respiratory passages |
| What is the function of Pseudostratified Columnar Epithelium cells? | Secretion of mucus |
| Areolar Connective Tissue | Many fibers. Looks like bean sprouts. |
| Where is Areolar Connective Tissue found? | Hypodermis, below basement membranes |
| What is the function of Areolar Connective Tissue cells? | Support and nourishment |
| Adipose Connective Tissue | Few fibers. Bubbles. |
| Where is Adipose Connective Tissue found? | Under skin, yellow marrow |
| What is the function of Adipose Connective Tissue cells? | Energy storage, protection, insulation |
| Dense Regular Connective Tissue | Densely packed collagen in the same direction |
| Where is Dense Regular Connective Tissue found? | Tendons and Ligaments |
| What is the function of Dense Regular Connective Tissue cells? | Stretch and strength |
| Hyaline Cartilage Connective Tissue | Few or no visible fibers. Smooth/glassy. |
| Where is Hyaline Cartilage Connective Tissue found? | Ends of long bones, trachea, ribs, nose |
| What is the function of Hyaline Cartilage Connective Tissue cells? | Rigidity with flexibility |
| Fibrocartilage Connective Tissue | Collagen fibers in thick bundles |
| Where is Fibrocartilage Connective Tissue found? | Between vertebrae, knees, pelvis |
| What is the function of Fibrocartilage Connective Tissue cells? | To be able to withstand compressive, pulling, and tearing forces |
| Elastic Cartilage Connective Tissue | Fewer elastin fibers than cells |
| Where is Elastic Cartilage Connective Tissue found? | Ear, epiglottis |
| What is the function of Elastic Cartilage Connective Tissue cells? | Lots of flexion with some rigidity |
| Bone Connective Tissue | Mineralized matrix in rings |
| Where is Bone Connective Tissue found? | Everywhere |
| What is the function of Bone Connective Tissue cells? | Strength, support, movement |
| Blood Fluid Connective Tissue | Fluid matrix (plasma) |
| Where is Blood Fluid Connective Tissue found? | Everywhere |
| What is the function of Blood Fluid Connective Tissue cells? | Transport of gasses, nutrients, waste, and protection |
| Skeletal Muscle Tissue | Striated, multi-nucleated |
| Where is Skeletal Muscle Tissue found? | Attached to bones of skeleton |
| What is the function of Skeletal Muscle Tissue cells? | Provides voluntary movement |
| Cardiac Muscle Tissue | Striated, 1 central nucleus, intercalated disks |
| Where is Cardiac Muscle Tissue found? | Heart walls |
| What is the function of Cardiac Muscle Tissue cells? | Involuntary contraction to move blood through the body |
| Smooth Muscle Tissue | Non-striated, 1 central nucleus, small and spindle shaped with tapered ends |
| Where is Smooth Muscle Tissue found? | Hollow internal structures |
| What is the function of Smooth Muscle Tissue cells? | Helps move substances along, food through digestive tracks |
| Neural Tissue | Cell body contains nucleus |
| Where is Neural Tissue found? | Brain, nervous system, spinal cord |
| What is the function of Neural Tissue cells? | Convert stimuli into a nerve impulse or action potential |