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37 Cards in this Set
- Front
- Back
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8 functions of connective tissue
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bind structures tog.
support & protect framework fill spaces store fat make blood cells protect against infection repair tissue damage |
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what are the 2 components of connective tissue?
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cells & matrix
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what are the 2 components of matrix?
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fibers & ground substance
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5 types of cells in conn. tissue
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mast cells
macrophages white blood cells fibroblasts specialized cells |
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macs are made from these
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monocytes
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mast cells are important in what?
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inflammatory response, allergies
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mast cells have what in their cytoplasm?
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-histamine, heparin, proteases
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what do mast cells produce
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cytokines (signal cells), prostaglandins, leukotrienes
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what are neutrophils?
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phagocytic white blood cells
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specialized cells include?
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osteocytes & chondrocytes
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white fibers
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collagen
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yellow fibers
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elastic
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structure of collagen?
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3 intertwined amino acid chains where every 3rd amino acid is a glycine
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very thin collagen fibers
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reticular fibers
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ground substance has a lot of what?
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proteoglycans
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loose connective tissue structure
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collagen & elastic fibers, fibroblasts, flexible & strong
surrounds blood vessels & nerves, binds skin to underlying tissue |
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adipose tissue made of?
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adipocytes; no fibers
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dense regular conn. tissue structure?
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collagen fibers, poor blood supply, form tendons, ligaments, and aponeuroses
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attach bone to bone
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ligaments
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attach muscle to bone
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tendons
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dense irreg. conn. tissue structure?
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collagen fibers, basket weave, strong i all directions, limited blood supply, found in dermis, sclera of eye
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elastic conn. tissue structure
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elastin, stretchy, found in walls of arteries, trachea, lungs, between vertebrae
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what is the connective tissue between vertebrae called?
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ligamenta flava (yellow ligaments) - made of elastic conn. tissue
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reticular conn. tissue structure
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thin collagen fibers
supporting framework for liver, spleen |
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cavities in cartilage matrix are called?
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lacunae
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3 types of cartilage
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hyaline
elastic fibrocartilage |
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hyaline cartilage found where?
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articular cartilage @ end of bones
in nose, larynx, trachea, ribs most common type |
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two types of cartilage w/ mostly collagen fibers
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hyaline & fibrocartilage
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elastic cartilage found where?
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larynx & ear flaps
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fibrocartilage found where?
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between vertebrae, knee
(shock absorbers) |
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unit of compact bone?
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osteon
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center of osteon contains what?
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Haversian/central canal
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t/f, Haversian canal contains blood vessels & nerves?
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TRUE!!
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what are the layers of matrix around the Haversian canal called?
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lamellae
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what are the spaces between lamellae called?
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lacunae
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where are the osteocytes found?
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in the lacunae (spaces between the lamellae)
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what are the small canals in the lamellae called?
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canaliculi
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