Term
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Definition
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Term
| cranial nerves, spinal nerves, and ganglia |
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Definition
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Term
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Definition
| collection of neuron cell bodies OUTSIDE the CNS |
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Term
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Definition
| innervation concerns the body wall, ex: innervation of skeletal muscle and skin |
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Term
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Definition
| innervation concerns the internal organs ex: innervation of the heart |
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Term
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Definition
| target tissue of somatic motor innervation |
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Term
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Definition
| how many neurons connect the CNS to target muscle in somatic motor innervation |
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Term
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Definition
| how many neurons connect the site of stimulus(nerve ending) to the CNS(spinal cord) in somatic sensory innervation |
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Term
| somatic sensory innervation |
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Definition
| carries info about external environment from skin and musculoskeletal system |
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Term
| cutting, tearing, crushing, inflammation, burning (heat or chemical) |
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Definition
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Term
| pain, temperature, touch, pressure, vibration |
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Definition
| 5 examples of somatic sensory stimuli (can be felt by skin) |
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Term
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Definition
| type of mesoderm that gives rise to the bone (of axial skeleton), skeletal muscle, and dermis below the head |
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Term
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Definition
| number of pairs of somites |
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Term
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Definition
| number of cervical somites |
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Term
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Definition
| number of occipital somites |
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Term
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Definition
| number of thoracic somites |
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Term
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Definition
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Term
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Definition
| number of sacrcal somites |
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Term
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Definition
| number of coccygeal somites |
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Term
| dermamyotome and sclerotome |
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Definition
| what a paraxial mesoderm somite divides into |
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Term
| epaxial and hypaxial dermamyotome |
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Definition
| what dermomyotome divides into |
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Term
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Definition
| what dermamyotome becomes |
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Term
| axial skeleton (vertebrae) |
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Definition
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Term
| all intrinsic (deep) back muscles, and the dermis that covers them (6-8in wide strip of skin on back) |
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Definition
| what epaxial dermamyotomes give rise to |
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Term
| all other skeletal muscles and dermis below the neck, including the limbs |
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Definition
| what hypaxial dermamyotomes give rise to |
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Term
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Definition
| segments of skin that cannot be seen as separated structures, but the segment is mainly supplied by a single spinal nerve (assoc. with each somite) |
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Term
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Definition
| each level of the spinal cord has ____ ___ _____ that originate from the same level, including a somite pair |
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Term
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Definition
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Term
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Definition
| number of cervical nerves |
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Term
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Definition
| number of thoracic nerves |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| number of coccygeal nerves |
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Term
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Definition
| these are the only spinal nerves that only have a sensory component because they are so small (no motor) |
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Term
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Definition
| sympathetic axons of the ANS are only found in these spinal nerves |
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Term
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Definition
| parasympathetic axons are only found in these spinal nerves |
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Term
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Definition
| location of the somatic motor cell body/axon |
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Term
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Definition
| which root do somatic motor neurons exit the spinal cord |
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Term
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Definition
| where the roots or the spinal cord come together in mixed function area |
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Term
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Definition
| somatic sensory cell bodies are located where? |
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Term
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Definition
| the somatic sensory neuron enters the spinal cord at what root? |
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Term
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Definition
| which ramus leads to epaxial innervation |
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Term
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Definition
| which ramus leads to hypaxial innervation |
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Term
| smooth muscle, cardiac muscle, glands (autonomic parts of the PNS) |
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Definition
| target tissue of visceral motor innervation |
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Term
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Definition
| how many neurons connect CNS to target tissue in visceral motor innervation |
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Term
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Definition
| true or false, visceral motor innervation goes to body wall structures |
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Term
| sweat glands, sebaceous glands, arrector pili muscles(smooth), smooth muscle in skin and vessel walls (goosebumps) |
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Definition
| list the body wall structures that get visceral motor innervation (4) |
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Term
| sympathetic innervation, parasympathetic innervation, enteric innervation |
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Definition
| 3 components of visceral motor innervation |
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Term
| BOTH parasympathetic and sympathetic |
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Definition
| most visceral organs receive this kind of innervation, regulated by the brain |
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Term
| sympathetic only (except blood vessels to external genetalia which gets both) |
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Definition
| the body wall receives this type of innervation (parasympathetic or sympathetic) |
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Term
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Definition
| increases in ______ innervation are associated with energy expenditure and increased metabolic rate |
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Term
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Definition
| increase heart rate, strength of contraction, and volume (increase in sympathetic or para) |
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Term
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Definition
| increase in blood flow to heart (dilate coronary arteries) (increase para or symp?) |
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Term
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Definition
| dilation of respiratory passages ( increase in symp or parasymp) |
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Term
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Definition
| constriction of pulmonary arteries (increase symp or parasymp) |
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Term
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Definition
| increased blood flow to skeletal musc decrease to digestive organs, decreased secretion of digestive glands (increase in symp or parasym) |
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Term
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Definition
| retention of urine and feces(increase parasym or sym) |
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Term
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Definition
| dilation of pulmonary arteries (increase sym or parasym) |
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Term
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Definition
| elimination of urine and feces (increase sympathetic or parasympathetic) |
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Term
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Definition
| increase in sweating (increase sympathetic or parasympathetic) |
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Term
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Definition
| important in sexual function (increase sympathetic or parasympathetic) |
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Term
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Definition
| part of the PNS that acts below the level of consciousness, and controls visceral functions. |
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Term
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Definition
| parasympathetic and sympathetic uses __ # neuron pathways |
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Term
1.location of pre-ganglionic cell bodies
2. relative lengths of pre/post ganglionic axons
3. size/location of ganglia |
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Definition
| 3 anatomical differences between sympathetic and parasympathetic nervous systems |
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Term
| ONLY T1-L2 level of spinal cord (thoracolumbar) |
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Definition
| location of sympathetic pre-ganglionic cell bodies |
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Term
| Either brain or S2-S4 levels of the spinal cord (craniosacral) |
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Definition
| location of parasympathetic pre-ganglionic cell bodies |
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Term
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Definition
| location of preganglionic sympathetic cell bodies IN THE SPINAL CORD gray matter(not the levels) |
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Term
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Definition
| location of postganglionic cell body (sympathetic) |
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Term
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Definition
| where does pre-ganglionic axon enter the ganglia (sympathetic) |
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Term
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Definition
| where does post-ganglionic axon exit the ganglia (sympathetic) |
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Term
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Definition
| which neuron goes backwards through the ventral ramus in the sympathetic nervous system |
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Term
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Definition
| which root do sympathetic preganglionic neurons come out? |
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Term
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Definition
| what structure do all sympathetic neurons go through (pre and post) |
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Term
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Definition
| which spinal ganglia have both white and gray rami |
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Term
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Definition
| pathway that lets levels T1-L2 share their preganglionic axons with somites at every level |
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