Term
What are the three types of special connective tissue? |
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Definition
Reticular, Elastic and Mucous |
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Term
What type of cells are found in connective tissue? |
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Definition
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Term
What are the three components of connective tissue? |
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Definition
cells, fibers and ground substance |
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Term
What are the functions of connective tissue? |
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Definition
support, protection from mechanical damage, defense, nutrition/storage and repair/regeneration |
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Term
What is the predominant fiber type found in proper connective tissue |
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Definition
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Term
T/F : Proper connective tissue is alive |
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Definition
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Term
Tensile strength is the primary function of what tissue? |
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Definition
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Term
How does connective tissue differ from epithelia in its cell relationships? |
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Definition
cells are not directly attached to each other |
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Term
T/F : Dense connective tissue has more cells than loose connective tissue |
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Definition
False: Dense has more fibers but fewer cells |
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Term
Describe the structure of loose CT |
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Definition
random arrangement, thin fibers, lots of ground substance, soft and compliant |
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Term
Where is regular dense connective tissue primarily found? |
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Definition
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Term
What is the function of dense irregular CT? |
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Definition
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Term
How are regular and irregular dense CT different in reference to their fibroblasts? |
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Definition
Irregular has very few fibroblasts and regular has more |
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Term
How is the orientation of irregular dense CT fibers different from regular? |
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Definition
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Term
T/F : regular AND irregular dense CT have minimal ground substance |
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Definition
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Term
Where is irregular dense CT found |
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Definition
concentrated where forces come from different directions (skin and organ capsules) |
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Term
What Type of collagen is reticular fiber ? |
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Definition
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Term
What stain must be used to see reticular tissue and why? |
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Definition
Silver- delicate branched fiber network |
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Term
What are the primary sites for reticular tissue? |
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Definition
Lymphatic and hematopoietic sites |
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Term
What are the functions of elastic tissue? |
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Definition
stretching, elastic recoil and resilience |
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Term
What is the predominant element in mucous tissue? |
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Definition
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Term
Name two features of mucous tissue |
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Definition
Fibers are scarce and low cellularity |
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Term
What type of tissue is not found in mammalian adults and is rare in non-mamamalian adults? |
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Definition
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Term
What does Ehlers-Danlos syndrome cause? |
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Definition
skin hyperextensibility, joint laxity, skin and vessel fragility and poor wound healing |
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Term
Proper CT arises from what embryologic layer? |
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Definition
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Term
What are three resident cell populations? |
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Definition
fibroblasts, macrophages and mast cells |
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Term
T/F : Fibroblasts are temporary cells |
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Definition
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Term
What are the functions of fibroblasts |
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Definition
support and healing/repair |
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Term
What does an active fibroblast do? |
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Definition
produces fibers and matrix |
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Term
What is the purpose of inactive fibroblasts |
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Definition
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Term
Where do fibroblasts lie? |
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Definition
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Term
What are the functions of macrophages? |
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Definition
Phagocytosis, antigen presentation |
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Term
Where are macrophages derived from? |
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Definition
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Term
T/F : Macrophages can be found in all tissue |
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Definition
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Term
How can you distinguish between macrophages and fibroblasts based on cell margins? |
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Definition
macrophages have distinct margins and fibroblasts have indistinct margins |
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Term
What do granules in Mast cells contain and why? |
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Definition
histamine, heparin and infection mediators- hypersensitivity |
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Term
Where are mast cells found? |
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Definition
skin, respitory tract and digestive tract |
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Term
What are the functions of white fat? |
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Definition
energy storage, shock absorption and insulation |
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Term
Describe white fall nuclei |
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Definition
eccentric, flattened and appear on edge of cells |
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Term
T/F : white fat lipids are not membrane bound |
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Definition
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Term
What is the function of brown fat |
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Definition
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Term
Which type of cells are larger? Brown fat cells or white fat cells? |
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Definition
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Term
How do brown fat nuclei differ from white fat? |
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Definition
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Term
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Definition
high amount of mitochondria, well vascularized |
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Term
T/F : adipose tissue contains nerves |
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Definition
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