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66 Cards in this Set

  • Front
  • Back
RUQ
Right Upper Quadrant
RLQ
Right Lower Quadrant
LLQ
Left Lower Quadrant
LUQ
Left Upper Quadrant
Front; Before
Anterior
Belly side; Anterior
Ventral
Back; Behind
Posterior
Dorsal
Back;Posterior
Head
Cranial, Cephalic
Above; Toward the head
Superior
Tail ; Coccyx
Caudal
Below
Inferior
Toward the body's longitudinal axis
Medial
Away from body's longitudinal axis
Lateral
Toward an attached base
Proximal
Away from attached base
Distal
At, near, or relatively close to the body surface
Superficial
Farther from the body surface
Deep
divides body into superior and inferior halves
Transverse planes
Divides body into anterior and posterior halves
Frontal(coronal planes)
what are the names of the major body cavity's
Thoracic cavity, Abdominopelvic cavity
what are the serous membrane of the thoracic cavity
pericardial cavity; visceral pericardium; parietal pericardium
what are the subdivisions of the abdominal cavitiy
peritoneal cavity; abdominoal cavity; pelvic cavity
what are the basic functions of the nervous system
monitors the internal and external environments; integrates sensory information; coordinates voluntary and involuntary responses of many organ systems
consists of brain and spinal cord; integrates and coordinates the processing of sensory data and the transmission of motor commands
(CNS) central nervous system
communication between the CNS and the rest of the body
(PNS) peripheral nervous systems
a cell in neural tissue specialized for intercellular communication
neuron
cells of the CNS that support and protect the neurons
neuroglia
areas in the CNS dominated by neuron bodies, glial cells, unmyelinated axons
grey matter
areas in the CNS that are dominated by myelinated axons
white matter
what is the structure of a neuron
dendrites,cell body, nucleus, axon, synaptic terminal
Bundle of axon that share a common origin,destination,function
Tracts
bundle of axons in the PNS
Nerves
collections of neuron cell bodies in the interior of the CNS
nuclei
collections of neuron cell bodies in the PNS
Ganglia
increase speed of action potential along the axon
myelin sheath( Schwann cells)
membrane potential of an undisturbed cell
resting membrane potential
explain how action potential are generated and propagated along a neuron
1) depolarization the threshold (Na+gate opens Na+ enters cell)
2) open sodium gates and rapid Repolarization( K+ gate opens K+
move out of cell)
3) Hyperpolarization( 3 Na+ into cell and 2 K+ out of cell )
4) return to resting state
action potential jumps from node to node
saltatory propagation
how doe's synaptic transmission accur
1) A.P. reaches the bulb
2) Calcium ions from (ECF) enters synaptic bulb and binds with visceral
3) this triggers Ach(neurotransmitter) to burst(lyse)
4)Ach travels to the receptors to postsynaptic membrane
5)AchE(enzyme) releases Ach from receptors
process continues in a chain reactions that soon reaches the most distant portions of the axon
continuous propagation
how is information transferred to a neuron or to an effector?
neurotransmitters
major parts of the brain are
cerebrum, diencephalon, midbrain, pons, medulla oblongata, cerebellum
dura, arachnoid, pia mater give physical stability and shock absorption
meninges
acts as shock absorber and transports gases, nutrients chemical messengers and waste products
CSF (cerebralspinal fluid)
produce antidiuretic and oxytocin hormones
hypothalamus
releases 9 different homones
TSH,ACTH,FSH,LH,GH,MSH,PRL,ADH,oxytocin
pituitary gland
has endocrine and exocrine cells, produces glucagin, secreate insulin regulates blood glucose levels
Pancreas
allow certain types of hormones to affect a target cell
receptors
maintains concentration of sodium and potassium and electrical charge of plasma membrane
sodium potassium pump
a electrical signal that affects the surface of the entire membrane
action membrane
movement of a membrane potential that moves it from a negative value toward 0mV
Depolarization
movement of a potential that moves it from +mV value to the resting potential
Repolarization
change, which may take a membrane potential from -70mV to -80mV
Hyperpolarization
rate at which action potential can be regenerated in an excitable membrane
Refactory period
a stimulus that either triggers a typical potential or not
all or none principle
the space between opposing plasma membrane and pre-synaptic membrane
synaptic cleft
where is grey matter found
CNS/nuclei
PNS/ganglia
where is white matter found
CNS-tracts
PNS-nerves
brings sensory information to the spinal cord
dorsal root
controls muscle and glands
Ventral root
monitors specific regions of the body
spinal nerve
contains cell bodies
dorsal root ganglion
holds CSF
central canal
shallow grooves between the gyrus
sulcus
elevated ridges of the outer cerebral cortex
gyrus