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57 Cards in this Set

  • Front
  • Back
6 examples of connective tissue
tendons
ligament
body fat
bones
cartilage
blood
What are the structural components of all connective tissue?
cells
protein fibers
ground substance
elastic fibers, collagen, and reticular fibers make up what structural component of CT?
protein fibers
a mixture of proteins and carbohydrates with salts make up what structural component of CT?
ground substance
What comprise the extracellular matrix? They are produced by the CT____.
protein fibers
ground substance
cells
What are the three broad categories of CT?
CT proper
Supporting CT
Fluid CT
What are the two cell types of CT proper?
resident - always present
wandering - may or may not be present
What are the three general type of protein fibers of CT proper?
Callogen
Elastic
Reticular
Characteristics of callogen fibers
long, unbranching, strong, flexible, resist stretching, 25% of all protein in body
Characteristics of elastic fibers
thin, stretch easily, branching, allow blood vessels to stretch and relax
Characteristics of reticular fibers
thin, meshlike, found in organs with lots of space, act as packing material
Two broad categories of CT proper
Loose CT
Dense CT
Which CT has fewer protein fibers and more ground substance?
Loose CT
Whcih CT has more protein fibers and less ground substance?
Dense CT
3 types of loose CT
areolar CT
adipose T
reticular CT
3 types of dense CT
dense regular
dense irregular
elastic
Structure, function and location of areolar CT. Example
-vascular, gel like
-surrounds and protects tissues and organs, holds tissue fluid, packages nerve and blood vessels
-everywhere
-white blood cells
Structure, function and location of adipose tissue. Example.
-gel-like matrix, nucleus pushed to one side by fat droplet
-store energy, insulation, support and protect organs
-under skin, around kidneys, behind eyeballs, in abdomen and breasts
-fat
Structure, function and location of reticular CT. Example
-network of reticular fibers in loos ground substance
- form a soft internal skeleton (stroma)
-lymphoid organs
-lymph nodes, bone marrow, spleen
Structure, function and location of dense regular CT.
-neatly arranged, poorly vascularized
-attach muscle to bone and bone to bone, withstands great stress in one direction
-tendons, ligaments, fascia around muscles
Structure, function and location of dense irregular CT.
-no pattern
-withstand tension/stress, structural strength
-dermis of skin, around muscle and organs, fibrous capsules of joints and organs
Which CT is primarily parallel collagen fibers?
dense regular CT
Which CT is primarily irregularly arranged collagen fibers?
dense irregular CT
Two types of supporting CT
cartilage
bone
Which supporting CT is avascular
cartilage
What are the cells of cartilage called
chondrocytes
What are the small spaces occupied by chondracytes called?
lacuane
Three type of cartilage
hyaline
fibrocartilage
elastic
Which type of cartilage is the weakest?
hyaline
Which cartilage is found at the ends of bones that articulate with each other?
hyaline
Which cartilage is found in the trachea, larynx, and nose?
hyaline
Which cartilage is a shock absorber, and wher can it be found?
fibrocartilage
intervertebral discs
pubic symphysis
minisci of knee
What contributes to fibrocartilage's durability?
densly interwoven collagen fibers
Where is elastic cartilage found?
epiglottis
external ear
What are bone cells called?
osteocyte
What is fluid connective tissue comprised of?
plasma watery ground substance containing protein fibers
erythrocytes - red blood cell
leukocytes - white blood cell
platelets - blood cell fragments
4 types of membranes
mucous
serous
cutaneous
synovial membrane
What membrane is simple squamous epithelium lying on loose connective tissue?
serous membrane
3 types of muscle tissue
skeletal
smooth
cardiac
Muscle cells are called ____
fibers
List muscle cells in order from longest to shortest.
skeletal
cardiac
smooth
Which muscle's function is to move food, blood and sperm, and where is it located?
smooth
walls of most organs
Which muscle's function is to move blood into circulatory system and where is it located?
cardiac
heart wall
Which musles are striated
skeletal and cardiac
Which musltes move involuntarily?
cardiac
smooth
What are the gap junctions in cardiac muscle called and what are there function?
intercalated discs
rapids passage of electrical current from cell to cell
Which muscles move voluntarily?
skeletal
List muscle type in order of least nuclei to most
smooth - 1
cardiac - 1-2
skeletal - multinucleated
Smooth muscle structure is ____ meaning it is ____
fusiform
tapered at ends wide at middle
Dendrites deal with _____ signals, while axons deal with ____ signals.
incoming
outgoing
Which nerve cell is longer which is shorter?
dendrite - shorter
axon - longer
What are the supporting cells of nervous tissue?
glial cells
What is the term for when epithelium adapts or changes to environmental conditions.
metaplasia
An increase in the size of existing cells is called ____
hypertrophy
An increase in the number of cells in a tissue is called ____.
hyperplasia
Out of control growth of tissue, which forms a tumor is called ____
neoplasia
A decrease in the size or number of tissue is called ____.
atrophy