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NEURO110 Chapter 20
animal tissues
| Term | Definition |
|---|---|
| Stem Cell | Cells that divide to create more stem cells, which then specialize in order to replace dead or damaged tissue |
| Pluripotent | Cells that have the potential to become any other kind of cell? |
| Tissue | a group of cells with different jobs who come together to perform a specific task |
| Epithelial Tissue | cover body surfaces and line internal cavities |
| Connective Tissue | hold body parts together and provide structural support |
| Muscle Tissue | move body and its parts |
| Nervous Tissues | detect stimuli and relay messages |
| Organ | 2 + tissues that come together to do a specific task or tasks |
| Organ System | 2 + organs that come together in order to do a specific task or tasks |
| Interstitial Fluid | fluid between body cells |
| Natural Selection (in this context) | determines the evolution of body plans |
| Squamous Epithelium | flattened/platelike, bloodvessels & surface of the lungs, allows easy diffusion |
| columnar & cuboidal epithelium | greater internal volume, thicker and more protective, |
| glandular epithelium | secrete substances that function outside of the cell |
| exocrine glands | have ducts or tubes that deliver secretions onto internal or external structures |
| endocrine glands | ductless, secrete hormones as messengers into the blood stream |
| Carcinomas | epithelial cell cancers |
| fibroblasts | connective tissue cells that secrete collagen and other parts of the extracellular matrix |
| Aerolar Connective Tissue | less fibroblasts and protein fibers in gelatinous extracellular matrix, |
| Dense connective tissue | more fibroblasts and protein fibers |
| Irregular connective tissue | oriented randomly, deep skin layers & protection in internal organs |
| regular connective tissue | uniform appearance, tendons an ligaments |
| cartilage | connective tissue w/ living cells in a rubbery extracellular matrix |
| adipose tissue | specialized to store fat as energy |
| bone tissue | living cells surrounded by an extracellular matrix surrounded by living cells |
| blood | fluid connective tissue (cells, plasma, platlets) |
| muscle tissue | cells capable of ATP fuelled contractions |
| skeletal muscle tissue | voluntary movement |
| cardiac muscle | striated, involuntary muscle of the heart wall |
| smooth muscle | involuntary, NOT striated |
| epidermis | outermost layer of epithelial tissue |
| dermis | deep layer of skin, has connective tissue, nerves, &blood vessels |
| integumentary system | skin,helps with removing wastes and protecting the body from injury |
| nervous system | detects and coordinates responses to stimuli |
| endocrine system | secretes hormones that control the activity of other systems |
| muscular system | move body parts and produce heat |
| skeletal system | supports and protects body parts, site of muscle attatchment, produces red blood cells |
| circulatory system | distributes heat and materials throughout the body |
| lymphatic system | collects and returns tissue fluid to the blood, defends against infections and cancer |
| respiratory system | intake oxygen, expel CO2 |
| digestive system | take in food & water to absorb nutrients |
| urinary system | maintains volume & composition of blood, expels liquid waste |
| reproductive system | eggs & sperms |
| negative feedback mechanisms | a change that causes a response that reverses the change |
Created by:
LSakalys
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