Term
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Definition
| The study of development from conception to death |
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Term
| What are some examples of unicellular organisms? What does this mean? |
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Definition
| bacteria, algae, seaweed, protozoa. All their cells are the same. No specialized cells. Do not form tissue. |
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Term
| What is the general pattern of embryonic development? |
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Definition
| zygote -> embryo (diploblastic) |
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Term
| What are some animals that are diploblastic as adults? |
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Definition
| sponges, jellyfish, combjellies |
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Term
| What are the two forms of tissue that are in dipoblastic organisms? |
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Definition
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Term
| What does ectoderm turn into? |
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Definition
| skin, nerves, sensory organs |
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Term
| What does endoderm turn into? |
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Definition
| lining of hollow organs and sensory organs |
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Term
| What does mesoderm turn into? |
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Definition
| the rest of the body organs (besides the hollow linings, skin, nerves and sensory organs) |
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Term
| What do you call an animal that has 4 kinds of cells in the embryo? |
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Definition
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Term
| What type of cell do vertebrates have that non-vertebrates don't have? |
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Definition
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Term
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Definition
| When a cell or tissue influences other cells or tissues nearby to change into the same type |
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Term
| What are the four basic types of tissues in an adult vertebrate? |
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Definition
| epithelium, connective, muscle, nervous |
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Term
| What does heterochrony mean? |
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Definition
| some parts of the body/tissues develop before others |
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Term
| Why do organs develop at different times? |
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Definition
| the genes that are guiding development do not all get translated when the egg is fertilized |
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Term
| Why won't the lungs work in a premature baby? |
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Definition
| Surfactum may not have developed so the sides of the lungs may stick together |
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Term
| What is embryonic development called? |
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Definition
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Term
| What are the organ systems of the body? |
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Definition
| MR CIS DENSERI muscle, reproductive, circulatory, integument, skeletal, digestive, endocrine, nervous, sensory, excretory, respiratory, immune/lymphatic |
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Term
| Which system forms first? |
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Definition
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Term
| Important aspects of epithelium |
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Definition
| covers the body. protects. permeable via ducts. capable of rapid regeneration. |
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Term
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Definition
| lines the digestive tract, surrounding nerve cells |
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Term
| What is an exocrine gland? |
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Definition
| makes a substance and sends it directly to the target. Have ducts. Sweat. Salivary. |
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Term
| What is an endocrine gland? |
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Definition
| Takes an indirect route to the target. Ex. circulatory system |
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Term
| What are the shapes of epithelials? |
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Definition
| squamous, cuboidal, columnar |
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Term
| What are the different types of organization of epithelials? |
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Definition
| simple, stratified, pseudostratified |
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Term
| What kind of junctions do epithelials have between them? |
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Definition
| occluding junction, gap junction, desmosomes |
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Term
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Definition
| two cells are held together by interlocking junctional proteins called connexons |
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Term
| What is an occluding junction? |
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Definition
| the lipid portions of the plasma membranes are bound togehter by interlocking membrane proteins |
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Term
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Definition
| Two cells are held together by CAM's |
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