Download Lab Hand Out Nervous System

Lab Hand Out 8 Nervous System
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Brain -- Identify the following structures on the models of the brain
cerebrum
Cerebral hemispheres: left and right
Lobes
i. Frontal lobe
ii. Parietal lobe
iii. Occipital lobe
iv. Temporal lobe
Gyri
i. Gyri on the surface of the brain
ii. Precentral gyrus
iii. Postcentral gyrus
Sulci
i. Sulci on surface of the brain
ii. Central sulcus
iii. Lateral cerebral sulcus
Fissures
i. Longitudinal fissure
ii. Transverse fissure
Diencephalon
Hypothalamus
Pineal gland
Mammillary body
Thalamus
i. intermediate mass of thalamus
Pituitary (hanging from the infundibulum)
Brainstem
Midbrain
i. Corpora quadrigemina
1. Superior colliculi of corpora quadrigemina
2. inferior colliculi of corpora quadrigemina
ii. Cerebral (mesencephalic) aqueduct
Pons
Medulla oblongata
Cingulate gyrus
Corpus callosum
Fornix
Vision*
Optic nerve
Optic chiasm
Optic tract
Olfaction*
Olfactory bulb
Olfactory tract
Cerebellum
Arbor vitae of cerebellum
b. Cerebellar vermis
Lateral hemispheres of cerebellum
Cerebellar peduncles
Ventricles (MODEL)
Lateral ventricles
a. Septum pellucidum of lateral ventricles
Third ventricle
Fourth ventricle
Spinal Cord Model -- Identify the following structures on the model of the
spinal cord
Spinal cord models (Cross section)
White matter (columns)
i. Anterior funiculus
ii. Lateral funiculus
iii. Posterior funiculus
Gray matter
i. Anterior horn
ii. Lateral horn
iii. Posterior horn
iv. Gray commissure
Central canal
Anterior median fissure
Posterior median sulcus
Dorsal root ganglion
Dorsal root
Ventral root
Spinal nerve
Dorsal ramus of spinal nerve
Ventral ramus of spinal nerve
Meninges & spaces
i. Dura mater
ii. Arachnoid
iii. Pia mater
iv. Subarachnoid space
v. Subdural space
Cranial nerves
1. Olfactory nerve
2. Optic nerve
3. Oculomotor nerve
4. Trochlear nerve
5. Trigeminal nerve
6. Abducens nerve
7. Facial nerve
8. Vestibulocochlear nerve
9. Glossophargyngeal nerve
10. Vagus nerve
11. Spinal accessory nerve
12. Hypoglossal nerve
Dissection of the sheep brain – Be able to identify the
structures on the sheep brain
1. SHEEP BRAIN
a. Cerebrum
b. Longitudinal fissure
c. Cerebellum
i. Arbor vitae of cerebellum
ii. Cerebellar hemispheres
iii. vermis
d. Transverse fissure
e. Corpora quadrigemina
i. Superior colliculi
ii. Inferior colliculi
f. Olfactory*
i. Olfactory bulbs
ii. Olfactory tract
g. Vision*
i. Optic nerve
ii. Optic chiasm
iii. Optic tract
h. Pituitary gland
i. Mammillary body
j. Thalamus
k. Hypothalamus
l. Pineal gland
m. Pons
n. Medulla oblongata
o. Corpus callosum
p. Fornix
q. Septum pellucidum
r. Lateral ventricle
s. Cerebral aqueduct
t. Fourth ventricle
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Nerve Plexus Model (plaque) -- Identify the following nerve plexuses and specific nerves in
the nerve plexus model (& other structures)
Plexuses
Cervical plexus
i. Phrenic nerve
Brachial plexus
i. Radial nerve
ii. Median nerve
iii. Ulnar nerve
Lumbar plexus
i. Obturator nerve
ii. Femoral nerve
iii. Saphenous nerve
Sacral plexus
i. Sciatic nerve
1. Common peroneal (fibular) nerve
2. Tibial nerve
Thoracic (intercostal) nerves
Conus medullaris
Filum terminale
Cauda equina
Neuron Model -- Identify the following structures in the neuron model
Neuron
Dendrites
Soma (cell body)
i. Nissl bodies (rough ER)
ii. Axon hillock
iii. Nucleus
iv. Neurofibrils
v. Golgi apparatus
Axon
i. Node of Ranvier
ii. Myelin sheath
iii. Neurilemma
iv. Synaptic knobs
v. Endoneurium
Lab Hand Out 8 Nervous System Page 1