Study sets matching "spinal anatomy nerves somatic reflexes"
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functions of spinal cord
central pattern generators
spinal cord
anterior median fissure
1. conduction... 2. neural integration... 3. locomotion... 4. reflexes
group of neurons in spinal cord that control simple repetitive…
cylinder of nervous tissue that extends from foramen magnum to…
longitudinal groove on anterior of spinal cord
functions of spinal cord
1. conduction... 2. neural integration... 3. locomotion... 4. reflexes
central pattern generators
group of neurons in spinal cord that control simple repetitive…
spinal cord
spinal cord passes through vertebral ca…
spinal cord gives rise to 31 pairs of s…
spinal cord called "information highway…
cylinder of nervous tissue; arises from brainstem at foramen m…
-1.8 cm thick and 45 cm long... -occupies upper two-thirds of ver…
-first pair passes between skull and C1... -rest pass through int…
connects brain and lower body
spinal cord
cylinder of nervous tissue; arises from brainstem at foramen m…
spinal cord passes through vertebral ca…
-1.8 cm thick and 45 cm long... -occupies upper two-thirds of ver…
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
31
spinal nerves
Epineurium, perineurium and endoneurium
8
How many pairs of spinal nerves emerge from each side of the s…
- named according to the vertebral region and level ... - connect…
What are the 3 different protective layers on a spinal nerve?
How many cervical nerves?
31
How many pairs of spinal nerves emerge from each side of the s…
spinal nerves
- named according to the vertebral region and level ... - connect…
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
Spinal Cord functions
Segment
Cervical Enlargement
Lumbar Enlargement
-Conductions... -Neural Integrations... -Locomotion... -Reflexes
Part of the spinal cord supplied by each pair of spinal nerves
Give rise to the nerves in the upper limbs
Give rise to the nerves in the pelvic region/lower limbs
Spinal Cord functions
-Conductions... -Neural Integrations... -Locomotion... -Reflexes
Segment
Part of the spinal cord supplied by each pair of spinal nerves
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…
reflex
conduction
conduction enables
neural integration
A simple, automatic, inborn response to a sensory stimulus, su…
contains bundles of nerve fibers that conduct info up and down…
sensory info to reach the brain, motor commands to reach the e…
pools of spinal neurons receive input from multiple sources, i…
reflex
A simple, automatic, inborn response to a sensory stimulus, su…
conduction
contains bundles of nerve fibers that conduct info up and down…
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
phrenic
anterior gray horns
femoral nerve
median
The ________ nerve develops from the cervical plexus and inner…
The cell bodies of motor neurons to skeletal muscles are locat…
Damage to the _____ nerve interferes with the ability to exten…
Damage to the _____ nerve can lead to carpal tunnel syndrome
phrenic
The ________ nerve develops from the cervical plexus and inner…
anterior gray horns
The cell bodies of motor neurons to skeletal muscles are locat…
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
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…
segment
medullary cone (conus medullaris)
cauda equina
dura mater
part of spinal cord supplied by each pair of spinal nerves
cord tapers to point at distal end
bundle of nerve roots that occupy vertebral canal from L2-S5
surrounds spinal cord
segment
part of spinal cord supplied by each pair of spinal nerves
medullary cone (conus medullaris)
cord tapers to point at distal end
Functions of the Spinal Cord
Features of the Spinal Cord
Organization of spinal cord superficial…
Ascending Tracts
-Conduction... -Communication... -Locomotion... -Central pattern genera…
-About 17 inches long... -3/4 inches in diameter... -31 spinal nerve…
1)Fat in epidural space... 2)Dura Mater... 3)Arachnoid Mater... 4)Pia M…
-Carry sensory information up to the brain... -Origin= receptor... -…
Functions of the Spinal Cord
-Conduction... -Communication... -Locomotion... -Central pattern genera…
Features of the Spinal Cord
-About 17 inches long... -3/4 inches in diameter... -31 spinal nerve…
Spinal cord
Medullary cone (conus medullaris)
Cauda equina
Segment
-"information highway"... -cylinder of nervous tissue; arises fro…
pointed end of spinal cord; inferior to lumbar enlargement
bundle of nerve roots that occupy the vertebral canal from L2…
part of the spinal cord supplied by each pair of spinal nerves
Spinal cord
-"information highway"... -cylinder of nervous tissue; arises fro…
Medullary cone (conus medullaris)
pointed end of spinal cord; inferior to lumbar enlargement
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 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
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
sensation, perception
sensory modality
one
general senses
__________ is a conscious or unconscious awareness of external…
the property by which one sensation is distinguished from anot…
How many modalities does a given sensory neuron carry?
include both somatic and visceral senses, which provide inform…
sensation, perception
__________ is a conscious or unconscious awareness of external…
sensory modality
the property by which one sensation is distinguished from anot…
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…
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…
Epidural Space
Meninges
Dura Mater
Arachnoid Mater
space between the vertebrae and the meninges
connective tissue membranes that cover the spinal chord and br…
a tough single-layered membrane that forms the outer meninx
the spiderweb-like membrane that forms the middle meninx
Epidural Space
space between the vertebrae and the meninges
Meninges
connective tissue membranes that cover the spinal chord and br…
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…
Conduction... Neural Integration... Locomotio…
Locomotion
31
L1 (or slightly beyond)
What are the functions of the spinal cord?
spinal cord contains central pattern... generators: groups of neu…
How many pairs of spinal nerves are there?
Where does the inferior margin of the spinal cord end?
Conduction... Neural Integration... Locomotio…
What are the functions of the spinal cord?
Locomotion
spinal cord contains central pattern... generators: groups of neu…