Study sets matching "spinal anatomy nerves somatic reflexes"
Study sets
Diagrams
Classes
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PNS
Ganglia
Motor or Efferents division
Sensory or afferent division
all nervous tissue outside of the CNS, includes cranial and sp…
clusters of cell bodies in PNS
which innervates muscle cells and glands
which innervates the skin, joints, special sensory organs, and…
PNS
all nervous tissue outside of the CNS, includes cranial and sp…
Ganglia
clusters of cell bodies in PNS
functions of the spinal cord (4)
length of spinal cord (relative)
anatomy of spinal cord
cervical enlargement
- conduction... - neural integration... - locomotion... - reflexes
base of brain to L1 vertebrae
rope-like cylinder of nervous tissue with 21 pair of spinal ne…
nerves to upper arms
functions of the spinal cord (4)
- conduction... - neural integration... - locomotion... - reflexes
length of spinal cord (relative)
base of brain to L1 vertebrae
Spinal Cord
31 pairs of spinal nerves, 8 pairs of c…
Cervical enlargement
Lumbar enlargement
Cylinder of nerve tissue within the vertebral canal (thick as…
How many pairs of spinal nerves are there? How many Cervical?…
Gives rise to nerves of the upper limbs
Gives rise to nerves in the pelvic region and lower limbs
Spinal Cord
Cylinder of nerve tissue within the vertebral canal (thick as…
31 pairs of spinal nerves, 8 pairs of c…
How many pairs of spinal nerves are there? How many Cervical?…
precentral gyrus of the cerebrum
corticospinal
anterior horn
touch
The upper motor neurons that control skeletal muscles begin wi…
The signals that control your handwriting travel down the spin…
Many upper motor neurons synapse with lower motor neurons in t…
Which of the following sensory functions involves neurons in t…
precentral gyrus of the cerebrum
The upper motor neurons that control skeletal muscles begin wi…
corticospinal
The signals that control your handwriting travel down the spin…
what are the functions of the spinal co…
How far does the spinal cord run?
How many spinal nerve pairs are there?
What is a segment?
conduction, neural integration, locomotion, reflexes
from brainstem through foramen magnum and goes to L1
31
part of spinal cord supplied by each pair of spinal nerves
what are the functions of the spinal co…
conduction, neural integration, locomotion, reflexes
How far does the spinal cord run?
from brainstem through foramen magnum and goes to L1
spinal nerves
nerve
mixed nerves
poliomyelitis... ALS
spinal cord communicates with the rest of the body by way of...
a cordlike organ composed of numerous nerve fibers (axons) bou…
contain both afferent and efferent fibers
cause destruction of motor neurons and production of skeletal…
spinal nerves
spinal cord communicates with the rest of the body by way of...
nerve
a cordlike organ composed of numerous nerve fibers (axons) bou…
Conduction
Neural integration
Locomotion
Reflexes
Contains bundles of nerve fibers that conduct information up a…
Pools of spinal neurons receive input from multiple sources, i…
Walking involves repetitive, coordinated contractions of sever…
quick, involuntary, stereotyped reactions of glands or muscles…
Conduction
Contains bundles of nerve fibers that conduct information up a…
Neural integration
Pools of spinal neurons receive input from multiple sources, i…
Functions of Spinal Cord
Anatomy of Spinal Cord
Lower Spinal Cord
Meninges of Spinal Cord
- conduction... - neural integration ... - locomotion... - reflexes
- cylinder of nerve tissue within vertebral canal... - 31 pairs o…
- cervical and lumbar enlargements... - Medullary Cone: tapered t…
- 3 fibrous layers enclosing spinal cord ... 1.) Dura mater... 2.) A…
Functions of Spinal Cord
- conduction... - neural integration ... - locomotion... - reflexes
Anatomy of Spinal Cord
- cylinder of nerve tissue within vertebral canal... - 31 pairs o…
Name the two types of tissue that prote…
Name the outer most layer of the mening…
Name the inner most layer of the mening…
Name the middle layer of the meninges.
1. Vertebral bone ... 2. Connective tissue Meninges (meninx)
Dura mater
Pita mater
Arachnoid mater
Name the two types of tissue that prote…
1. Vertebral bone ... 2. Connective tissue Meninges (meninx)
Name the outer most layer of the mening…
Dura mater
Conduction
Neural integration
Locomotion
Refkexes
Nerve fibers conduct info up and down the cord, connecting dif…
Input from multiple sources, integrated, and executed output
Repetitive, coordinated contractions of several muscle groups…
Involuntary stereotyped responses to stimuli
Conduction
Nerve fibers conduct info up and down the cord, connecting dif…
Neural integration
Input from multiple sources, integrated, and executed output
what are the four functions of the spin…
A group of motor neurons in the brain t…
The ____ is a cylinder of nervous tissu…
what are the four divisions of the spin…
conduction, neural integration, locomotion, and reflexes
central pattern generators
spinal cord
cervical, thoracic, lumbar, and sacral
what are the four functions of the spin…
conduction, neural integration, locomotion, and reflexes
A group of motor neurons in the brain t…
central pattern generators
3 principal functions of the spinal cord
what is the gross, microscopic structur…
spinal cord segment characteristics
another word for spinal cord
conduction, locomotion, reflexes
the intervertebral foramina
easy to see with naked eye, rootlets for each nerve
vertebral canal
3 principal functions of the spinal cord
conduction, locomotion, reflexes
what is the gross, microscopic structur…
the intervertebral foramina
31 pairs
Medullary Cone
Cauda Equinae
Medullary Cone
How many spinal nerves arise from the spinal cord?
The tapered tip of the spinal cord
The L2-S5 nerve roots assembled to form this end of the spinal…
31 pairs
How many spinal nerves arise from the spinal cord?
Medullary Cone
The tapered tip of the spinal cord
Functions of the Spinal Cord
conduction
locomotion
reflexes
•conduction... •locomotion... •reflexes
•bundles of fibers passing information up and down spinal cord
•repetitive, coordinated actions of several muscle groups
•involuntary.stereotypes responses to stimuli(remove hand from…
Functions of the Spinal Cord
•conduction... •locomotion... •reflexes
conduction
•bundles of fibers passing information up and down spinal cord
gray matter
gray matter
gray matter
central area of gray matter... white matte…
neuron cell bodies with little myelin
info-processing occurs
synaptic integration occurs
______________ shaped like a butterfly and surrounded by _____…
gray matter
neuron cell bodies with little myelin
gray matter
info-processing occurs
Functions of the spinal cord
For spinal cord conduction there are bu…
Locomotion
Reflexes
Conduction, locomotion, reflexes
Sensory, motor, output
Walking
Involve the brain, spinal cord and peripheral nerves
Functions of the spinal cord
Conduction, locomotion, reflexes
For spinal cord conduction there are bu…
Sensory, motor, output
conduction
locomotion
reflexes
sensory
bundles of fibers passing info up & down spinal cord... (electric…
walking involves repetitive, coordinated actions of several mu…
involuntary, stereotyped responses to stimuli... - withdrawal of…
info travels up spinal cord
conduction
bundles of fibers passing info up & down spinal cord... (electric…
locomotion
walking involves repetitive, coordinated actions of several mu…
CNS spinal cord
functions of spinal cord
conduction/communication
locomotion
length: foramen magnum to L1... brain to/from PNS... 31 pairs of spi…
conduction/communication... locomotion... reflexes
sensory/motor... function of the spinal cord
central pattern generators... simple repetitive motors- walking... f…
CNS spinal cord
length: foramen magnum to L1... brain to/from PNS... 31 pairs of spi…
functions of spinal cord
conduction/communication... locomotion... reflexes
How many pairs of spinal roots are ther…
What happens to everything above and be…
How many rootlets are in 1 root?
What are the anterior and posterior roo…
31 pairs: 8 cervical, 12 thoracic, 5 lumbar, 5 sacral, 1 coccyx
Above - in tact... Below - affected
6-8 rootlets
Anterior - Motor and Efferent... Posterior - Sensory and Afferent
How many pairs of spinal roots are ther…
31 pairs: 8 cervical, 12 thoracic, 5 lumbar, 5 sacral, 1 coccyx
What happens to everything above and be…
Above - in tact... Below - affected
Dura Mater
Epidural Space
Arachnoid Mater
Subdural Space
OUTERMOST layer made of dense irregular connective tissue whic…
Outside and contains fat, CT, blood vessels, and epidural anes…
MIDDLE layer, collagen and elastic fibers
Contains interstitial fluid between dura and arachnoid layers
Dura Mater
OUTERMOST layer made of dense irregular connective tissue whic…
Epidural Space
Outside and contains fat, CT, blood vessels, and epidural anes…
Spinal cord
Conus medullaris
Cauda equine
Posterior root ganglion
Extends from the medulla oblongata in the brainstem all the wa…
Tapering end of the spinal cord proper, it's the spot where th…
Area inferior to the conus medullaris, consists of L2-L5, S1-S…
Location of sensory neuron cell bodies
Spinal cord
Extends from the medulla oblongata in the brainstem all the wa…
Conus medullaris
Tapering end of the spinal cord proper, it's the spot where th…
What are the 4 principal functions of t…
Explain conduction of the spinal cord
Explain the neural integration of the s…
Explain the locomotion of the spinal co…
1.conduction... 2.neural integration... 3.locomotion... 4.reflexes
Te spinal cord has bundles of nerve fibers that conduct info u…
Pools of spinal neurons receive input from multiple sources, i…
Motor neurons in the brain initiate almost all movements, the…
What are the 4 principal functions of t…
1.conduction... 2.neural integration... 3.locomotion... 4.reflexes
Explain conduction of the spinal cord
Te spinal cord has bundles of nerve fibers that conduct info u…
Spinal cord: features
Spinal cord: functions
Cervical enlargement
Lumbar enlargement
- foramen magnum to L1... -~ 17 feet long, 3/4 diameter... -31 pairs…
-conduction/ communication... - locomotion... - central pattern gene…
C3->T2... UE innervation
T9-> T12... LE innervation
Spinal cord: features
- foramen magnum to L1... -~ 17 feet long, 3/4 diameter... -31 pairs…
Spinal cord: functions
-conduction/ communication... - locomotion... - central pattern gene…
stretch reflex
meningeal branch
axillary nerve
ilioinguinal nerve
specific reflex that helps to maintain equilibrium and posture
branch of spinal nerve that re-enters vertebral canal and inne…
nerve of the brachial plexus whose sensory innervation is the…
nerve of the lumbar plexus that innervates the internal abdomi…
stretch reflex
specific reflex that helps to maintain equilibrium and posture
meningeal branch
branch of spinal nerve that re-enters vertebral canal and inne…