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55 Cards in this Set
- Front
- Back
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Fourth Ventricle AKA
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Rhomboid fossa
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lateral aperatures AKA
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fossa of Luschka
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median aperature AKA
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fossa of Magendie
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marginal layer
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white matter
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mantle layer
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grey matter
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germinal layer
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ependymal layer- lining of hollow portion of sc
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sulcus limitans
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in fourth ventricle, lateral outpouching seperating plates or masses of cells
in neural tube |
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CB in the GM of the SC form structures called what?
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columns, horns
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Axons in the WM of the SC form structures called what?
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tracts fasciculus (sm)/ funiculus (lg)
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autonomic ganglia
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collection of PS & S CB in PNS- walls of certain organs & wrapped around BVs
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What are the landmarks of the myelenchephalon?
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R- trapezoid body
Ca- 4th ventricle (caudal half) |
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What are the cerebellar peduncles?
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Connections between cerebellum and rest of brain stem.
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What are the landmarks of the metencephalon?
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-transverse fibers of the pons
-cerebellum -cerebellar peduncles -rostral 1/2 of the 4th ventricle |
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what are the landmarks of the mesencephalon?
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- corpora quadrigemina
- crus cerebri -tectum -tegmentum -mesencephalic aqueduct |
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What is the corpora quadrigemina?
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2 rostral colliculus
2 caudal colliculus |
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What are the parts of the diencephalon?
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-thalamus
-epithalamus -hypothalamus -metathalamus -subthalamus |
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What are the landmarks for the diencephalon?
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-mamillary bodies
-optic chiasm -optic tract -third ventricle -geniculate bodies |
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What forms the metathalamus?
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the lateral and medial geniculate bodies
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rostral hypothalamus controls
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parasympathetic NS controlled
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caudal hypothalamus controls
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sympathetic NS controlled
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sympathetic is called
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adernergic
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parasympathetic is called
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cholenergic
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Ramus communicans
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Communicating nerve branch between SC & Sympathetic chain
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Names of paravertebral ganglia
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cervical ganglia:
-cervicothoracic -middle cervical -cranial cervical |
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Names of prevertebral ganglia
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celiac ganglia
cranial mesenteric caudal mesenteric |
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spinal nerve proper
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junction between D & V root within the Intervertebral foramen`
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pathway for sympathetic innervation of the head
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TL SC ---- ramus communicans ---- sympathetic chain ---- cervicothoracic ---- caudal mesenteric ---- vagosympathetic trunk ---- cranial mesenteric
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Parasympathetic nucleus CN 3 AKA
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Edinger Westphal
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Postganglionic CB for CN3
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cililary ganglion
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PS nucleus for CN 7 AKA
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-rostral salvatory
-lacrimal |
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postganglionic CB for CN 7
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RS- mandibular
L- pterygopalatine |
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PSN for CN 9 AKA
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caudal salivatory
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postganglionic CB for CN 9
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otic
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PSN for CN 10 AKA
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dorsal vagal nucleus
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Which PS ganglia synapse on terminal postganglionic CB
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dorsal vagal
sacral |
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site of spinal cord termination
-dog -horse -cow -cat |
dog-L6/7
horse- S1/2 cow- L6 cat-L6 |
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cervical intumescence
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intumescence= englargement
brachial plexus C6-T2 |
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conus medularis
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end of SC & its coverings
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filum terminale
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extension of meningial covering reaching site of anchorage at caudal vertebrae
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cauda equina
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spinal nerves that continue from spinal cord through the vertebral canal exiting intervertebral foramen
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spiral rootlets
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small nerve fibers serving as attachments of root to cord
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rostral/ caudal medullary velum
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formed by meninges
mix of pia & ependymal cells thing CT covering forming roof of fourth ventricle |
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transverse fibers of the pons
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PMS take pyramidal info from origin to cerebellum
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longitudinal fibers of the pons
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PMS going to brain stem & spinal cord
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crus cerebri
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PMS taking fibers from caudal direction to spinal cord
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interpeduncular fossa
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space between left & right crus cerebri
no function just structural unit |
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rostral colliculus
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synapses with visual system
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caudal colliculus
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synapses with auditory system
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tuber cinereum
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cut edge where pituitary used to be
connecting stalk of pituitary with base of hypothalamus ususally |
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lateral geniculate body
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synapses associate with visual system
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medial geniculate body
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synpases associate with auditory system
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projection fibers
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ascencing and descending
transmit info between cerebral cortex & brain stem |
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association fibers
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long= interlobar (between lobes)
short=intralobar (between gyri) |
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commissural fibers
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crossing fibers
cross from one half of cerebrum to other half |
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thoracic nucleus AKA
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clarke's nucleus AKA
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