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148 Cards in this Set

  • Front
  • Back
Epithelial cells are made from
all germ layers
Epithelial cells are held together by
tight junctions
(limit passage)
Simple Squamous Function
diffusion, osmosis, filtration and secretion.
Simple Squamous locations (5)
1. around heart
2. kidney tubules
3. air sacs of lungs
4. Lining of blood vessels
5. Cheek
Simple Squamous is NOT found in areas that are....
subject to wear and tear
Endothelium function
lines heart, blood vessels and lymphatic vessels.
Mesothelium function
forms pericardium, forms pleura
Simple Cuboidal function
secretion & absorption
Simple cuboidal location
1. Kidneys
2. Glands (sweat, saliva)
Simple Columnar function
movement by cillilary action
aids in digestion
Simple Columnar Location
Lines small intestine (digestion)
Simple columnar contains....
Goblet cells & microvilli
Pseudostratified Columnar Function
Secretion and Movement by cilliary action.
(cilliated)

absorbtion and protection
(non cilliated)
Psuedostratified Columnar Location
Trachea
Stratified Squamous function
Protection
Stratified Squamous location
Keratinized -- skin
Nonkeratinized -- lining of mouth and esophagus.
Serous membranes
Do NOT open directly to the outside
Example of a serous membrane
around heart, or lungs (2 layers)
Mucus membrane
Lines space that DOES open to outside
Example of a mucus membrane
Esophagus (contains goblet cells)
Steps to repair tissue (3)
1. regeneration (tissue repair)
2. Fibrosis (scar tissue)
3. Granulation ( connective tissue acts as a frame)
Types of muscle tissue (3)
1. Skeletal muscle
2. Cardiac muscle
3. Smooth muscle
Which type of muscle tissue contains intercollated disks?
Cardiac muscle
Smooth muscle function
non striated
lines blood vessels, airway to lungs, gallbladder and intestines.
Types of Connective tissue (4)
1. Areolar
2. Adipose
3. Hylaine cart.
4. Compact bone
Areolar CT function (3)
strength, elasticity and support
Areolar CT location
ONLY in subq layer
around organs
Areolar CT ground substance
many cells
collagen and elastic fibers
Adipose tissue function (4)
reduces heat loss, energy source, supports, protects
Hylaine Cart. function (3)
provides smooth surface, flexability, support
Hylaine cart. location
ends of bones
Hylaine cart. Blood supply?
NONE
Compact bone function (3)
support, protection, lever
Fibroblasts
make fibers (most numerous)
Adipocytes
fat drops (around heart and kidneys)
Mast cells
RXNS
White blood cells
infection
Macrophages
engulf bacteria
Plasma
Immune response
Chondrotin
matrix of cart.
Reticular Fibers
delicate (fine bundles)
Collagen Fibers
Tough (bundles --> tendons)
Elastic Fibers
Can stretch and retract
Erythro
RED (o2 transport)
Leuko
White blood cells
Thrombo
Platelets (clotting)
Exocrine Glands
secrete into duct
subtypes of exocrine glands (2)
1. merocrine
2. holocrine
How do merocrine glads secrete substance?
exocytosis
How do holocine glands secrete substance?
Rupture
Example of a holocrine gland
sebacous gland.
ENDOcrine glands diffuse
directly into blood stream
haversian canal
tube for nutrient blood supply;
Skeletal System Functions (6)
1. Support
2. Protection
3. Assistance in movement
4. Storage and release of minerals (ca+)
5. Blood cell production
6. Triglyceride storage
The episeal plate is at which part of the long bone?
metaphyses
The endostinum is the
inner portion of the bone
The periostinum
outer portion of the bone
Calcification
tissue hardening
Hydroxiapatite
calcium phosphate + calcium hydroxide
Steps of the devlopment of bone (4)
1. osteogenic cells from mesenchyme
2. osteoblasts (synthasize and create collagen fibers)
3. Osteocytes (exchange of nutrients and waste in blood)
4. Osteoclasts
Bone tissue characteristics (4)
1. few spaces
2. collagen fibers
3. hydroxiapatite
4. heels well!
Cart. tissue characteristics (2)
1. Matrix of chondrotin
2. doesnt heel well.
Fibrocart. characteristics (2)
1. Strongest
2. Found in menisci (knee)
Elastic cart. (2)
1. Flexible
2. Found in outer ear.
Functions of bone (4)
1. Support
2. Movement
3. Calcium storage
4. Hemopoeisis (RBC maker)
Blood Ca+ is regulated by
Parathyroid hormone
Function of calcitonin
Inhibits production of osteoclasts and speeds up reuptake.
Spongy bone is always covered by
COMPACT BONE
Intermembranosus ossification (4)
1. ossification center forms from osteogenic cells
2. calcification (matrix of bones harden)
3. Formation of trabecular (bones fuse together)
4. Devlopment of periostinum.
Endrochondral Ossification (6)
1. Devlopment of cart. model (in future bone shape)
2. Growth
3. Devlopment of primary ossification center (osteoblasts are now made)
4. Devlopment of medullary cavity.
5. Devlopment of 2nd ossification center
6. Formation of articular cart.
Interstitial growth
from within
appositional growth
from outer surface
Resting Cart.
Anchor epipsieal plate to epiphysis of bone
Peripherlating cart.
divide and undergo interstitial growth (from within) secrete extracellular matrix
Hypertrophic cart,
Large maturing chodrocytes
Calcified cart.
Death of chondrocytes b/c martix is to hard.
Repair of a fracture (4)
1. hemotoma
2. collagen fibers make callus
3. osteogenic cells make osteoblasts, (bony callus)
4. Bone remodeling.
Skin Functions (5)
1. protect
2. insulate
3. support
4. vit D absorption
5. sense organ
Layers of the skin
1. EPIdermis
2. DERMIS
3. Hypodermis (subq)
Epidermis contains
1. NO blood vessels
2. Keratinocytes (dead)
Dermis contains
1. collagen &elastic fibers
2. dense irregular CT
Keratincytes
waterproof 90%
Melonocytes
pigment 8%
Langer Horn cells
Bacteria
Merkle cells
Sensory nerve cells ( least numerous)
Appocrine Glands
open to hair follicles
Eccrine Glands
Heat regulation
Sebaceous Glands
Oil secretion into the hair shaft
Papillary blood vessels uses (3)
1. temp regulation
2. constriction
3. dilation
Vitamin D sythesis
Cholestrol --> kindeys & liver synthasize to calcitrol.
Nail plate is made of
hard, dead, keratinized epidermal cells
nail plate
useiable part (typing)
free edge
extends past finger
nair root
burried under skin
Lunala
White half moon
Nail matrix
where cells divide to produce growth
sense organs (2)
Touch (nerve endings in epidermis)
Temp (blood flow, sweat)
Wound healing (5)
1. inflamatory phase (blood clot and elimination of bacteria)
2. Migratory phase (clot forms scab)
3. Granulation tissue (tissue filling wound)
4. Proliferation phase (epithelial cell growth and deposits collagen fibers)
5. maturation phase (scab falls off)
Muscle types (3)
1. Skeletal muscle
2. Cardiac muscle
3. Smooth muscle
Skeletal muscle characteristics
1. striated
2. volantary
Cardiac muscle characteristics
1. intercolated disks
2. involantary
Smooth muscle characteristics
1. non striated
2. located in hollow tubes and structures.
3. involantary
Functions of muscles (4)
1. production of body movements
2. stabolizing body positions
3. storing and moving
4. Generating heat
Flexors
decrese a joint angle
extensors
increase joint angle
adductors
move bone closer to midline
abductors
move bone further from midline
rotators
rotates bone alone longitudinal axis
Prime mover (Agonist)
contracts to move a muscle
Antagonist
stretches and allows prime mover to work
synergist
contract and stabolize intermediate joints
stabolizer/ fixators
stabolizes origin of prime mover.
Lever
ridid structure that moves around a fixed point
Fulcrum
Fixed point
mechanical advantage
small effort is required
load is close to fulcrum
mechanical disadvantage
more effort to move load
effort close to fulcrum
Elasticity
ability to return to original length
Contractility
contract forcefully when stimulted by an action potential
Endomysium
seperates each muscle fiber
Perimyosium
surrounds groups of 10 to 100 muscle fibers, seperates them into bundles
Epimyosium
outermost layer, encircles entire muscle
Muscle metobolism (3 ways)
1. creatine phosphate 1 ATP
2. Glycolosis (anarobic resp.) 2 ATP
3. aerobic resp 36 ATP
Slow muscle fibers
a lot of myoglobin 100-200 msec (contraction

fatigue slowly

are red
Fast muscle fibers
most powerful contractions

fatigue quickly

are white
Isotonic
tension remains the same length changes
Concentric
muscle shortens
Eccentric
muscle lengthens
Isometric
length same tension changes
Hypertrophy
enlargement of EXSISTING muscle fibers
Hyperplasia
INCREASE IN NUMBER of muscle fibers
Suture characteristics (4)
1. composed of dense irregular CT
2. immovable
3. connected by CT
4. Interdigitate
Syndesmoses example
roots of teeth
Synarthrosis
immovable
Amphiarothrosis
slightly moveable
Diarthrosis
freely moveable
Characteristics of a cartliginous joint (1)
1. lack synovial cavity
Synchondroses (2)
1. connects
2. immovable
Symphyses
1. slightly moveable
Function of bursae
decrese friction between joints
synovial joint
covered with hylaine cart.
synovial membrane
areolar CT with elastic fibers
Synovial Fluid
produced by synovial membrane
lubracation
shock absorber
phagocytosis
tendon sheaths
wrap around tendons that expierence a lot of friction
Ligament
Bone to Bone
Tendon
Muscle to Bone
Origin
attachment of muscle to stationary bone
Insertion
attachment of muscle or tendon to movable bone