Chapter 4 - The Tissue Level of Organization Notes Flashcards
Chapter 4 - The Tissue Level of Organization
how many types of cells are in teh body
about 200
Chapter 4 - The Tissue Level of Organization
what is the study of tissues
histology
Chapter 4 - The Tissue Level of Organization
how many types of tissues in body
4
Chapter 4 - The Tissue Level of Organization
what are the types of tissues in body
epithelial
connective
muscle
neural
Chapter 4 - The Tissue Level of Organization
epithelial tissue includes:
glands
Chapter 4 - The Tissue Level of Organization
epithelial tissues cover
internal and external surfaces
Chapter 4 - The Tissue Level of Organization
glands are
secretary structures that are made from epithelial tissue
Chapter 4 - The Tissue Level of Organization
the skin is
epithelium tissue
Chapter 4 - The Tissue Level of Organization
what lines the gi tract, respiratory tract, reproductive and urinary tracts
epithelium tissue
Chapter 4 - The Tissue Level of Organization
characteristics of epithelium
cellularity polarity attachment avascularity regeneration
Chapter 4 - The Tissue Level of Organization
function of epithelial tissue is
provide physical protection, control permeability, provide sensation, and produce specialized secreations via glandular epithelium
Chapter 4 - The Tissue Level of Organization
epithelia that line pasageways have ___ present
microvilli
Chapter 4 - The Tissue Level of Organization
where is stereocilia found
male reproductive tract and the inner ear
Chapter 4 - The Tissue Level of Organization
epithelia attaches to other cells by _______
cell junctions
Chapter 4 - The Tissue Level of Organization
how many types of cell junctions
3
Chapter 4 - The Tissue Level of Organization
what are the cell junctions
tight junctions
gap junctions
desmosomes
Chapter 4 - The Tissue Level of Organization
epithelia can be classified by
shape
based on view under microscope
Chapter 4 - The Tissue Level of Organization
what are the shapes for epithelia
squamous
cuboidal
columnar
Chapter 4 - The Tissue Level of Organization
also can classify epithelia by
number of layers
simple or stratified
Chapter 4 - The Tissue Level of Organization
squamous epithelium
thin flat and irregular in shape
Chapter 4 - The Tissue Level of Organization
simple squamaous is found
where absorption takes place or where a slick surface is required to reduce friction
Chapter 4 - The Tissue Level of Organization
mesothelium
a specialized epithelium that does not contact the outside world, they line the ventral body cavities, the pleura peritoneum and pericardium
Chapter 4 - The Tissue Level of Organization
endothelium
simple epithelia that line the heart and all blood vessels.
Chapter 4 - The Tissue Level of Organization
stratified epithelial is found
where mechanical stress is severe
Chapter 4 - The Tissue Level of Organization
cuboidal epithelial
provide limited protection, and are located where secretions are promient
Chapter 4 - The Tissue Level of Organization
stratified epithelial cells are rare but can be found in the
sweat and mammary glands
Chapter 4 - The Tissue Level of Organization
columnar epithelium
apear rectangular and are tall and slender.
Chapter 4 - The Tissue Level of Organization
simple columnar is found
in areas of scretion and absorption and function to protect lining from chemical stress (intestines)
Chapter 4 - The Tissue Level of Organization
glandular epithelia - endocrine
secretions which are hormones, are released into the surrounding interstital fluid and blood
Chapter 4 - The Tissue Level of Organization
glandular epithelia - exocrine
the secretions usually enzymes are released into the skin or other epithelial surfaces.
Chapter 4 - The Tissue Level of Organization
this secretion is where the product is released from secretory vesicles by exocytosis
merocrine secretion
Chapter 4 - The Tissue Level of Organization
this secretion involves the loss of cytoplasm as well as the secretory product
apocrine secretion
Chapter 4 - The Tissue Level of Organization
which secretion involves when teh cell becomes packed with secretory material and then bursts liberating the material - destroying the cell
holocrine
Chapter 4 - The Tissue Level of Organization
connective tissue includes
bone
fat
blood
Chapter 4 - The Tissue Level of Organization
connective tissue share 3 componenets
specialized cells
cellular protein fibers
fluid called the ground substance
Chapter 4 - The Tissue Level of Organization
what is the matrix
ground substance and the extracellular fibers
Chapter 4 - The Tissue Level of Organization
connective tissue function
by providing a structural framework for the body, transporting fluids and dissolved materials, protecting organs, supporting other tissues, storing energy reserves, adn defending the body from invading pathogens
Chapter 4 - The Tissue Level of Organization
there are 3 classifications of connective tissue
connective tissue proper
fluid connective tissues
supportive connective tissues
Chapter 4 - The Tissue Level of Organization
cells found in connective tissues vary from ______ cells to cells that are ________ into the tissue to perform a needed function
permanent
imported
Chapter 4 - The Tissue Level of Organization
Cells found in connective tissue:
fibroblasts macrophages adipocytes mesenchymal cells melanocytes mast cells lymphocytes eosinophils neutrophils
Chapter 4 - The Tissue Level of Organization
_____ are the most prevalent permanent cells in the connective tissue proper
fibroblasts
Chapter 4 - The Tissue Level of Organization
_______ secretes hyaluronan and protein which together forms proteoglycans
fibroblasts
Chapter 4 - The Tissue Level of Organization
______ are the cleaners of the cell. cleaning up damaged tissue and kill pathogens taht have invaded the tissue
macrophages
Chapter 4 - The Tissue Level of Organization
________ which are stem cells that respond to local tissue injury, divide and differetiate into fibroblasts or macrophages
mesenchymal cells
Chapter 4 - The Tissue Level of Organization
______ store pigment and determine skin color
melanocytes
Chapter 4 - The Tissue Level of Organization
_____ cells are the mobile cells near blood vessles. they contain the chemicals histamine and heparin which are released after tissue injury and stimulate local inflammation
mast cells
Chapter 4 - The Tissue Level of Organization
_____ are immune cells that can produce antibodies in response to an invading pathogen
lymphocytes
Chapter 4 - The Tissue Level of Organization
microphages include the _____ and ______ wich are called phagocytes
eosinophils
neutrophils
Chapter 4 - The Tissue Level of Organization
there are ____ types of connective tissue fibers
3
Chapter 4 - The Tissue Level of Organization
what are the types of connective tissue fibers
collagen
reticular
elastic
Chapter 4 - The Tissue Level of Organization
embryonic connective tissues include
mesenchyme
Chapter 4 - The Tissue Level of Organization
mesenchyme is only found where
developing embryo and it contains the stem cells that differeiate into other connective tissues
Chapter 4 - The Tissue Level of Organization
______ fills the spaces between organs and acts as cushion to other cells and organs
loose connective tissue
Chapter 4 - The Tissue Level of Organization
areolar tissue is
loose tissue
Chapter 4 - The Tissue Level of Organization
adipose is
fat tissue
Chapter 4 - The Tissue Level of Organization
____ tissue is found in the spleen and liver
reticular
Chapter 4 - The Tissue Level of Organization
dense connective tissue is fibrous tissue taht contains dense amounts of _____ fibers.
collagen
Chapter 4 - The Tissue Level of Organization
___________ make the tendons and ligaments of the skeletal system
dense connective tissue
Chapter 4 - The Tissue Level of Organization
fluid connective tissue are
blood and lymph
Chapter 4 - The Tissue Level of Organization
the formed elements of blood are
red blood cells RBC
white blood cells WBC
platelets
Chapter 4 - The Tissue Level of Organization
RBC or _______ accounts for ____ the volume of the blood
erythrocyte
half
Chapter 4 - The Tissue Level of Organization
the RBC transport ______ to the tissues of the body
oxygen
Chapter 4 - The Tissue Level of Organization
______ is the watery matrix of the blood and contains the WBS or __________
plasma
leukocytes
Chapter 4 - The Tissue Level of Organization
the wbc are the ______
immune cells
Chapter 4 - The Tissue Level of Organization
______ are little packs of cytoplasm that contain enzymes, and are responsible for ________
platelets
blood clotting
Chapter 4 - The Tissue Level of Organization
______ is a matrix of a firm gel that is made up of polysaccharides, chondroitin sulfate
cartilage
Chapter 4 - The Tissue Level of Organization
______ are the cartilage cells
chondrocytes
Chapter 4 - The Tissue Level of Organization
cartilage is ________ and gets its food by diffusion with normal joint motion
avascular
Chapter 4 - The Tissue Level of Organization
________ is when the joints do not move as they should as body ages, breaking down the cartilage
degenerative joint disease
Chapter 4 - The Tissue Level of Organization
cartilage grows in two ways
interstitial
appositional growth
Chapter 4 - The Tissue Level of Organization
_______ growth occurs with cell division and happens from within
interstitial
Chapter 4 - The Tissue Level of Organization
in ______ growth, new layers of cartilage are added on the surface.
appositional
Chapter 4 - The Tissue Level of Organization
types of cartilage
hyaline
elastic
fibrocartilage
Chapter 4 - The Tissue Level of Organization
____ is made up of a mixture of calcium salts in the form of calcium phosphate as well as smaller amounts of calcium carbonate
bone
Chapter 4 - The Tissue Level of Organization
the rest of the osseous matrix is
collagen
Chapter 4 - The Tissue Level of Organization
______ are found in the lacunae; they are bone cells
osteocytes
Chapter 4 - The Tissue Level of Organization
osteocytes communicate with the blood system and themselves by travelling through ________ which are long passageways in the matrix
canaliculi
Chapter 4 - The Tissue Level of Organization
the bone surface is surrounded by
the periosteum
Chapter 4 - The Tissue Level of Organization
membranes include
mucous, serous, cutaneous, and the synovial
Chapter 4 - The Tissue Level of Organization
the connective tissues make the _______ of the body
internal framework
Chapter 4 - The Tissue Level of Organization
the internal framework of the body provides:
strength and support
maintain the positions of the internal organs
rovide a route for the blood vessels, lymph, and nerves
Chapter 4 - The Tissue Level of Organization
_____ are layers of connective tissue taht support and surround organs
fascia
Chapter 4 - The Tissue Level of Organization
the layers of fascia are
superficial fascia or subcutaneous layer (hypodermis)
deep fascia
subserous fascia
Chapter 4 - The Tissue Level of Organization
3 types of muscle tissue
skeletal
cardiac
smooth
Chapter 4 - The Tissue Level of Organization
___ muscle is only found in the heart
cardiac
Chapter 4 - The Tissue Level of Organization
cardiac muscles lack ______ needed for regeneration
satellite cells
Chapter 4 - The Tissue Level of Organization
cardiac muscles are regulated by
pacemaker cells
Chapter 4 - The Tissue Level of Organization
how do pacemaker cells regulate heart
electrically control the contraction
this is involuntary muscle control
Chapter 4 - The Tissue Level of Organization
____ is found in the walls of blood vessels around hollow organs, and in layers of the respiratory tract
smooth muscle
Chapter 4 - The Tissue Level of Organization
________ is specialized to conduct electrical impulses from one region of the body to another
neural
Chapter 4 - The Tissue Level of Organization
____ are the longest cells in the body
neurons
Chapter 4 - The Tissue Level of Organization
a neuron has a large cell body and branching processes called ____ and one axon
dendrites
Chapter 4 - The Tissue Level of Organization
____- carry info inot othe cell body and ____ carry info away from teh cell body
dendrites
axons
Chapter 4 - The Tissue Level of Organization
______ is the first phase when a tissue has been injured
inflammation
Chapter 4 - The Tissue Level of Organization
signs of injured tissue
inflammation swelling redness warmth pain at site
Chapter 4 - The Tissue Level of Organization
second phase of injury
regeneration or repair
Chapter 4 - The Tissue Level of Organization
during repair ________ are active at the injured site
fibroblasts
Chapter 4 - The Tissue Level of Organization
Fibroblasts will build a _______ around the injured site and begin to rebuild new tissue
fibrous wall
Chapter 4 - The Tissue Level of Organization
the new tissue isn’t as good as the original tissue because
the fibrosis of repair occurs in a disorganized manner.
Chapter 4 - The Tissue Level of Organization
what do you feel under skin on clients
fibrous nodules. they will be tender and hard but you can break then up with deep tissue work