Term
| T/F Fibroblasts can be derived from almost any tissue type? |
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Definition
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Term
| Where do fibroblasts originate? |
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Definition
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Term
| all cells that have been derived from the mesoderm have an intermediate filament network composed of ________. |
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Definition
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Term
| Fibroblasts have a _____ structure. |
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Definition
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Term
| what cell secretes matrix proteins like collagen, elastase, fibronectin, and laminin? |
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Definition
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Term
| Which cell type forms connective tissue? |
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Definition
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Term
| Which cell type is important for wound healing? How? |
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Definition
| Fibroblasts - they secrete matricies, growth factors and cytokines. They also differentiate into myofibrils which contract to close the wound. |
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Term
| Epithelial cells are derived from the _____. |
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Definition
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Term
| Which cells form sheets and tubes in the body? |
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Definition
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Term
| give two examples of simple epithelium in the body |
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Definition
| stomach, intestines, kidneys, prostate |
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Term
| give two examples of stratified epithelium in the body. |
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Definition
| The tongue, the skin, the esophagus, the ectocervix |
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Term
| give an example of pseudostratified epithelium. |
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Definition
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Term
| all cells from _____ or _____ epithelium are attached to a basement membrane. |
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Definition
| Simple or pseudostratified |
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Term
| epithelial cells are tightly connected to neighboring epithelial cells by _____ and _____. |
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Definition
desmosomes
and Gap junctions containing connexins |
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Term
| epithelial cells will form a _______ in culture |
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Definition
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Term
| the intermediate filament network in epithelial cells is composed of ______. |
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Definition
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Term
| macrophages are derived from the _____. |
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Definition
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Term
| macrophage intermediate filaments are composed of ____. |
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Definition
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Term
| macrophages secrete ______. |
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Definition
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Term
| how do macrophages protect the body? |
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Definition
| Phagocytize foreign materials and secrete cytokines |
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Term
| _____ can grow in suspension or adhere to a substrate. |
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Definition
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Term
| _____ and _____ were both derived from totipotent stem cells in the bone marrow of adults |
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Definition
| Leukocytes and erythrocytes |
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Term
| leukocytes were originally derived from the _______. |
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Definition
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Term
| leukocytic stem cells give rise to what three cells? |
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Definition
| Monocytes, granulocytes, and lymphocytes. |
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Term
| Lymphocytes can be ____ or ____ lymphocytes |
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Definition
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Term
| what type of lymphocytes are responsible for cellular immunity? Humoral immunity? |
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Definition
T lymphocytes = cellular immunity
B lymphocytes = humoral immunity |
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Term
| T lymphocytes develop into what three cell types? |
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Definition
| T helper, cytotoxic T, suppressor T. |
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Term
| T helper cells function to do what? |
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Definition
| Stimulate the antibody response of B cells. |
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Term
| Why do we need to fix slides? |
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Definition
| so the cells stay stuck to the slide |
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Term
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Definition
| stains the cytoplasm orange |
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Term
| what does methylene blue do? |
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Definition
| stains the DNA and RNA in a cell blue |
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Term
| why do we need different cell types? |
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Definition
| To perform different specialized functions in the body |
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Term
| how does morphology relate to the function of each cell? |
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Definition
| the morphology of the cell determines it's function. form follows function |
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Term
| internal stratified epithelium example. |
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Definition
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Term
| external stratified epithelium example. |
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Definition
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Term
| cell types present in the blood. |
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Definition
| Lymphocytes, macrophages. |
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Term
| of the cells studied, which is the largest? |
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Definition
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Term
| of the cells studied, which is the smallest? |
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Definition
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Term
| of the cells studied which is the most adherant? |
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Definition
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Term
| Of the cells studied which is the least adherant? |
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Definition
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Term
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Definition
| Something that increases the rate of a bichemical reaction without being transformed or consumed |
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Term
| how do enzymes speed up reactions? |
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Definition
| Decrease the amount of activation energy |
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Term
| what happens to enzymes that are boiled? |
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Definition
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Term
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Definition
| The substance an enzyme acts upon |
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Term
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Definition
| a protein that speeds up a biochemical reaction and is not transformed or consumed. |
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Term
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Definition
| The place that a substrate fits into the enzyme |
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Term
| describe how enzymes interact with substrates to form products. |
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Definition
| The substrate fits into the enzyme active site like a lock and key and the enzyme physically tears the substrate apart. |
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Term
| are enzymes consumed in the creation of a product? |
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Definition
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Term
| what are the two ways to twest the rate of an enzymatic reaction? |
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Definition
| rate of dissapearance of the substrate and rate of appearance of the product |
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Term
| how do you measure color intensity? |
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Definition
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