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Connective Tissue
| Term | Definition |
|---|---|
| Functions of connective tissue | bind structures, provide support, provide protection, serve as framework, fill spaces, store fat, produce blood cells, protect against infection, help repair tissue damage |
| True or False: Cells are farther apart than epithelial cells. | True |
| C.T. contains abundant extracellular matrix consisting of what? | ground substances & fibers |
| C.T. has what level of vascularity | varying |
| Loose connective tissue is also called..? | areolar tissue |
| Loose connective tissue forms what kind of membranes? | delicate |
| Loose connective tissue contains what types of cells? | fibroblasts & lymphocytes |
| Loose connective tissue's matrix is what consistency? | gel |
| Fibers that are thick and prevent stretching and tearing. | collagenous fibers |
| Fibers that are thin and stretchy | elastic fibers |
| What level of vascularity is loose connective tissue? | highly |
| Loose connective tissue locations | between skin and underlying organs & between muscles |
| Loose connective tissue functions | binds skin to organs just deep to skin, fills in spaces between muscles, and its blood vessels nourish nearby epithelial tissue |
| Adipose is? | fat |
| Adipose tissue description | cells first resemble fibroblasts then nuclei are pushed to the side |
| Adipose tissue functions | cushions joints/organs, insulation, and stores energy |
| Adipose tissue locations | beneath skin, between muscles, around kidneys, on surface of heart, in abdominal membranes, around some joints |
| Reticular connective tissue contains what type of fibers? | thin collagenous (not as thin as elastic) |
| Reticular connective tissue function | provides framework for some organs |
| Reticular connective tissue location | liver, spleen, lymphatic organs |
| Dense regular connective tissue has what kind of fiber pattern | tightly packed |
| What type of fibers does dense regular connective tissue contain? | closely packed, thick collagenous fibers & fine network of elastic fibers |
| Dense regular connective tissue has what level of vascularity | minimal vascularity |
| Dense regular connective tissue's function | binds body parts together & withstands pulling forces |
| Dense regular connective tissue's location | tendons & ligaments |
| Dense irregular connective tissue contains what type of fibers | collagenous fibers & fine network of elastic fibers |
| The collagenous fibers in dense irregular connective tissue are: | not as close as in dense regular, thicker, interwoven, more randomly organized |
| Level of vascularity in dense irregular connective tissue | minimal |
| Dense irregular connective tissue function | withstands tension from many directions |
| Dense irregular connective tissue's location | in the dermis |
| Cartilage is flexible but | rigid |
| Cartilage contains what type of fibers? | mostly collagenous |
| Cartilage cells are called... | chondrocytes |
| The open spaces or chambers that chondrocytes occupy are called | lacunae |
| Cartilage's function | provides support, serves as framework, provides attachment, protects underlying tissues, forms structural models for developing bones |
| Hyaline cartilage resembles.. | white glass |
| Hyaline contains... | no fibers; homogenous matrix surrounding nests of chondrocytes |
| Hyaline cartilage's function | forms structure of some structures & serves as model for bones |
| Hyaline cartilage's location | end of nose, between ribs and sternum, and embryonic skeleton |
| Elastic cartilage is more or less elastic than hyaline cartilage? | more |
| Elastic cartilage contains... | many elastic fibers |
| Elastic cartilage's function | provides framework for external ear and parts of larynx |
| Fibrocartilage contains what type of fibers: | many collagenous fibers |
| Fibrocartilage is arranged in what type of pattern? | herringbone-type pattern |
| Fibrocartilage's function | shock absorber for structures subjected to pressure |
| Fibrocartilage's locations | intervertebral discs, knees, pelvic girdle |
| Bone is also called | osseous tissue |
| Bone's extracellular matrix is hard due to what? | mineral salts-- calcium phosphate & calcium carbonate |
| Bone contains what type of fibers | collagenous fibers that are flexible and reinforce mineral components |
| The extracellular matrix in bone is deposited by?? | osteoblasts |
| Bone's extracellular matrix is in..? | concentric layers around capillaries |
| The concentric layers of bone are called? | lamellae |
| The concentric layers around capillaries of bone form a system called what? | Haversian canal/system |
| Cells that deposit extracellular matrix of bone | osteoblasts |
| Mature bone cells that no longer deposit matrix | osteocytes |
| Unit of numerous concentric circles around Haversian canal | osteon |
| Extensions in matrix from one lamella to another that contain cytoplasmic extensions of osteocyte | Canaliculi |
| Functions of bone | support the body, provides framework, protects vital organs, stores and releases minerals, provides for muscle attachment, produces blood cells in marrow |
| Red blood cell's technical name | erythrocytes |
| White blood cell's technical name | leukocytes |
| Platelet's technical name | thrombocytes |
| Four components of blood | Red blood cells, white blood cells, platelets, and plasma |
| The type of marrow found in the center of long bones | yellow marrow |
| The type of marrow found in flat bones | red marrow |
| Red blood cells function | transports gases throughout the body |
| White blood cells function | fight infection |
| Platelets function | aid in clotting |
| Plasma function | transports dissolved substances |
Created by:
haley.jett