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chp 4 tissues

anatomy chapter 4 tissues

epithelial tissue continuous sheet of tightly packed cells...covers body's surface
squamous flat plate like cells
cuboidal cube shaped and contain more cytoplasm than squamous
columnar higher than they are wide, tall and cylindrical
stratified cells stacked on top of other cells and the upper layers do not touch the basement membrane
exocrine glands secrete their products into ducts
endocrine glands secrete hormones directly into the blood
simple squamous epithelium allows for ready diffusion or filtration because of thinness
simple cuboidal epithelium secretes and absorbs
simple columnar epithelium secretes mucus by goblet cells
pseudostratified columnar epithelium provides protection and secretes mucus
stratified squamous epithelium resists abrasion and penetration by pathogens
transitional epithelium stretches to allow filling or urinary tract
connective tissue the most widespread and most varied of all tissue
collagenous fibers strong and flexible but resist stretching
reticular fibers support small structures such as capillaries
elastic fibers made of protein, can stretch and recoil like a rubber band
areolar tissue connects many adjacent structures in the body
adipose tissue dominated by fat calls, helps insulate the body to conserve heat
reticular tissue consists of loose network or reticular fibers and cells
fascia sheets or bands formed by dense connective tissue
hyaline cartilage forms most of the fetal skeleton
elastic cartilage provides flexible support to the external ear
fibrocartilage forms the discs between the vertebrae and in the knee joint
osseous tissue bone
osteocytes bone cells
plasma liquid matrix of blood
blood transports oxygen, nutrients, hormones, wastes from one part of the body to another
neurons the units that cpnduct nervous impulses
neuroglia protect and assist the neurons
skeletal muscle consists of long thin cells called muscle fiber
cardiac muscle found only in the heart
smooth muscle consists of long spindle shaped cells
regeneration occurs when damaged tissue cells are replaced with the same type of cell
fibrosis occurs when damaged tissue cells are replaced with scar tissue
mucous membranes line the body surfaces that open directly to the body's exterior
cutaneous membrane known as the skin...body's largest membrane
serous membrane composed of simple squamous epithelium resting on a thin layer of areolar connective tissue
chondrocytes cartilage forming cells
epithelium layer of cells forming the epidermis of the skin
fibroblasts cells that secrete collagen
glandular epithelium epithelium consisting of glands that secrete particular substance
goblet cell modified columnar cell containing secretory vesicles that produce large quantities of mucus
granulation tissue newly formed tissue inside a wound
stem cell specialized cell that can differentiate into many different types of cells
pleural membrane surrounds each lung and lines the thoracic cavity
pericardial membrane surrounds the heart
peritoneal membrane line the abdominal cavity and covers the abdominal organs
synovial membrane line the spaces between bones
parietal membrane serous membrane that lines the body cavities in one continuous sheet
visceral membrane the part of the membrane that covers the organs
mucus a watery secretion that coats and protects the cells of the membrane
axon a single long nerve fiber in the neuron
striated muscle skeletal muscle or voluntary muscle...striped
involuntary muscle cardiac muscle
dense fibrous connective tissue tendons, ligaments, fascia, dermis of the skin
bone provides support, protection, serves as a calcium reservoir
tendons attach muscle to bone
ligaments attach bone to bone
extracellular matrix allows connective tissue to be diverse
loose connective tissue has stretchable quality
basement membrane underlying connective tissue
simple squamous epithelium alveoli, lining of blood and lymphatic vessels
simple cuboidal epithelium ducts and tubules of many organs, including the kidneys
simple columnar epithelium line the intestines
pseudostratified squamous epithelium lines trachea, large bronchi, and nasal mucosa
stratified squamous epithelium epidermis of the skin, esophagus, vagina
transitional epithelium urinary tract
simple epithelia every cell touches the basement membrane
surface tissue epithelium
tissues simple groups of similar cells that perform a common function
epithelial tissue has no capillaries, gets nutrients from basement membrane
simple squamous epithelium allows gas and fluid exchange
epidermis kertanizing epithelium
glands cells or organs that secrete something
multicellular similar or dissimilar cells that combine secretions
cartilage gets nutrients by diffusion
bone arranged into haversian systems
blood white blood cells, red blood cells and platelets
skeletal attach to bone to move skeleton
cardiac electrical impulses produced in the heart cause cells to contract in unison
mucosa mucous membrane
perichondrium covers cartilage
superficial fascia between skin and muscles
deep fascia covers skeletal muscles, anchors tendons to muscle
meninges cover the brain and spinal cord
fibrous pericardium forms a sac around the heart, lined by parietal pericardium
Created by: stephanierule



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