Sheep Brain Dissection Lab Companion
You will be responsible for identifying these items for the Sheep Brain Lab Quiz:
| brain stem | cerebellum | corpus callosum | dura matter |
| frontal lobe | gyrus (plural =gyri) | inferior colliculi | longitudinal fissure |
| medulla oblongata | occipital lobe | olfactory bulb | optic chiasma |
| parietal lobe | pineal body | pons | spinal chord |
| sulcus (plural = sulci) | superior colliculi | temporal lobe | thalamus |
| transverse fissue | falx cerebri | tenorium cerebelli | arbor vitae |
| lateral ventricle | white matter | gray matter | pituitary gland |
You will have to know the definitions for these directional terms:
mid-sagittal
frontal
transverse
anterior
posterior
dorsal
ventral
caudate
lateral
medial
proximal
distal
Be prepared to answer the following questions concerning the Sheep Brain Dissection:
What is the literal English translation of the Latin "dura mater"? Why do you think early anatomists called this structure by this name?
Explain how the sheep skull is different from a human skull.
Explain the reason for the skull differences.
Identify the four functions of the cerebrospinal fluid.
Identify two ways in which the sheep brain is different from the human brain.
Identify the 5 lobes of the human brain.
What does the term arbor vitae translate to?
Identify the three meninges layers that cover the brain in order from the outermost to the innermost layer.
Use the following diagrams and pictures to help you locate items on your sheep brain.
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