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Ch4 drjolley

chapter 4

tissue group of cells with similar structure and function
Epithelial tissue covering outer surface or linings inner surface
Classification based on? cell type, shape, number of layers
simple squamous epthelium single layer, smooth, thin and flat
Stratifed squamous epithelium many layers of mostly flat cells
Transitional Epithelium single layer cube-shaped
simple columnar epithelium single layer taller then they are wide
Cilated epithelium columnar cells with cilia
Glands cells of organs that secrete something
unicellular one cell
multicellular similar or dissimilar cells that combine secretions
connective tissue blood, areolar, adipose, fibrous, elastic, bone, cartilage
areolar also called loose
Adipose cells: adipocytes store fat
Fibrous cells: fibroblasts
ELastic cells? Fiberoblasts
elastic matrix? mostly elastin
Bone cells? Osteocytes
Bone matrix? Calcium salts and collagen
Cartilage cells? Chondrocytes
Cartilage matrix? protien
Skeletal cells? Cylindrical
Smooth cells? Tapered ends, single nuclei
Cardiac cells? Branched, one nucleus
Neurons Generate and carry electrochemical impulses
Electrochemical impulses Electrocial impulses travel along the cell membrane
Membranes Epithelial (serous and mucous) and connective tissue membranes
Serous membranes Simple squamous epithelium that line closed body cavities and cover organs in these cavities
pleural membrane lines thoracic cavity
serous fluid covers lungs
pericarduim lines the fibrous pericardium
Visceral pericardium covers the heart
peritoneum lines abdominal cavity
mesentary covers abdominal organs
Mucous membranes line body tracts that have openings to the outside
Connective tissue membranes made of connective tissue
Superficial fascia between skin and muscles
periosteum covers bone, anchors tendons and ligaments to bone
perichondrium covers cartilage
synovial lines synovial joint cavities, secretes synovial fluid
deep fascia covers skeletal muscles, anchors tendons to muscle
meninges covers the brain and spinal cord
fibrous pericardium forms a sac around the heart, lined by parietal pericardium
Created by: Brandypeters