page 168-177 Flashcards
hip shoulder
ball and socket
carpal bone
gliding
elbow knee
hinge
pivot
atlas axis
radius ulna
ellipsoidal
metacarple bone
saddle
art. capsule
fibrous CT
surrounds joint
lined by synovial membrane
art. cartieldge
layer of hyaline cart. that covers the articular bone surfaces .
synovial cavity
lies within articular capsule and contains synovial fluid
lines the articular capsule
produces synovial fluid
synovial membrane
synovial fluid
lubricates the articular capsule
origin is neural tube ectoderm
CNs
brain and spinal cord
CNS
Nuclei
cell body clusters of CNS
neural crest ectoderm
origin of PNS
ganglia
cell body clusters of CNS
cranial and spinal nerve, ganglia, Nerve Ends
PNS
perikaryon
has cell membrane
cyt.
nucelus
nuclei body(rER)
axon
info away from cell body .one axon per cell body
dendrite
conducts info to cell body. # of dendrite per cell is variable, depending on type of neuron
cytoskeleton
actin
microtubule
neurofilament
motor snesoyr mixed
neuron class
unipolar neuron
one processs. sensory
bipolar
2 processes
retina and ganglia of CN 8
multipolar
3 or more proceses
motor and mixed
junction that transmit impulse from one neuron to another,
or one neuron to effector cell
synapse
scaffold of BBB
reg. of metabolites
atrocytes
protoplasmic astrocyte
; gray matter
fibrous astrocyte
reg. of metabolite
myelination
oligodendrocyte
microglia
phagocytosis
epithelium of ventricle of brain
spinal cord
ependymal cells
secretion of CSF
choroidal cells
PNS
schwann cells
myelination
surround nerve processes
satellite cells
support and
surround nerve ganglia
electrical synapse
synaptic cleft is gap junction
located in smooth and cardiac muscle
chemical synapse
synaptic cleft is 20-30 mm intercellular space
nonconducting cells that insulate neurons
supporting cells
oligodendrocytes
CNS
multiplecells/ neuron
oligodendorocyte
schwann cells
PNS
1 cell/neuron
schwann cells
composed of several internodal tonguelike processes that wrap around axon
oligodendrocyte
composed of multiple layers concentrically wrapped around axon
schwann cell
myelin sheath
lipid rich layer surrounding and insulating myelinated axons
neurilemma
layr of myelin cell cytoplasm that contiguous with myelin sheath
node of ranvier
unmy. junction b/n 2 mylein cells.
myelin formation begins be4 — and during — — postnatally
birth
1st year
transportation
buffer
thermoregulation
blood
erythrocyte
leukocyte
platelet
formed elements(cell portion)
H2O
8% of plasma
plasma
55% of blood(liquid protion)
80% of plasma
h2o
electrolyte
blood gases
hormones
enzymes
met. products
plasma component
protein component of Plasma(55)%
Albumin—> reg. vasc . osmotic pressure
globulin –> immunoglobulin
38% of protein of plasma
fibrinogen and clotting factor–> hemostasis
part of protein component of plasma
tf rbc mostly transport CO2
F
O2(99%
nill nuc or mitochondrion
elastic
biconcave disc
RBC
life span of RBC
120 days
hemostasis
platelet
cytoplasmic fragment of megakaryocytes
platelet
no nucleus
Platelet
lifespan of 5-10 days
platelet
leukocyte
immunoreg.
inflammation
phagocytosis
hypersensitivity
nucleated but morphology is variable
leukocyte
variable life span
leukocyte
lipid membrane contain lipoportein and blood group surface markers
erythrocyte
amt. of bile pigment excreted by liver estimates the amt. of erythrocyte destruction/day
erythrocyte
cytoplasmic granules
eosinophils
basopi
neutrophils
granulocyte
lymphocyte
monocyte
agranulocyte
few cytoplasmic granule
agranulocyte
blood cell formation
hematopoiesis