Download 152 NAME DATE BIOLOGY 201-WORKSHEET ON THE BRAIN

Bio 201 Brain Lab Execise
NAME _________________________
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April 7, 2015
DATE _____________________
BIOLOGY 201-WORKSHEET ON THE BRAIN PARTS
Answer these questions while studying the brain models and sheep brains. First, locate the brain
part and second look up its description and function. You may use your power point notes or
textbook. This is a 25 point lab assignment. Every space you leave blank is 1 point lost!
1. Where is the longitudinal fissure found? _________________________________________________
2. Where is the transverse fissure found? __________________________________________________
3. What is a sulcus and where do you find these structures?
____________________________________________________________________________
4. What is a gyrus and where do you find these structures?
____________________________________________________________________________
5. Which lobes are separated by the central sulcus? _________________________________________
6. Which lobes are separated by the lateral sulcus? _________________________________________
7. What functional area is found in the precentral gyrus. _____________________________________
a. Give a complete function for this area. ___________________________________________
____________________________________________________________________________
b. Which lobe houses this gyrus?
____________________________________________
c. Name one of the main cell types found here. _______________________________________
8. What functional area is found in the postcentral gyrus. _____________________________________
a. Give a complete function for this area. ___________________________________________
____________________________________________________________________________
b. Which lobe houses this gyrus?
____________________________________________
9. What other functional areas, besides the one listed in question 7, are found in this lobe?
____________________________________________________________________________
10. List another function, besides the one listed in question 8, for this lobe.
____________________________________________________________________________
11. Give a description for the location of each of the following lobes:
a. occipital ___________________________________________________________________
b. Temporal __________________________________________________________________
c. Insula _____________________________________________________________________
12. Give 2 functions for each of the following lobes:
a. occipital ___________________________________________________________________
b. Temporal __________________________________________________________________
c. Insula _____________________________________________________________________
13. List the 2 outermost layers of the cerebrum.
_____________________________________
_____________________________________
14. Name the 3 tracts found in the white matter of the cerebrum and give a function for each.
Name ____________________________ Function ___________________________________
Name ____________________________ Function ___________________________________
Name ____________________________ Function ___________________________________
15. What is the function of the corpus callosum? ____________________________________________
16. Which of the tracts listed in Q14 does the corpus callosum belong to? _________________________
17. Which is the first cranial nerve?
_____________________________________
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18. What is the function of the 1 cranial nerve?
_____________________________________
19. Which tracts are located in the cerebral peduncles? _____________________________________
a. Where did the cell bodies of these neurons originate? _______________________________
20. What is the function of the cerebellar peduncles? ________________________________________
__________________________________________________________________________________
21. What is the function of the superior colliculi? ____________________________________________
______________________________________________________________________
22. What is the function of the inferior colliculi? ____________________________________________
______________________________________________________________________
23. What is the function of the pons? ____________________________________________________
______________________________________________________________________
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Bio 201 Brain Lab Execise
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April 7, 2015
24. Describe and give the location of the Olive. ____________________________________________
__________________________________________________________________________________
25. Give one function for the Olive. ______________________________________________________
26. Answer these questions about the pyramids.
a. What specific brain part houses the pyramids? ____________________________________
b. What surface are they located on?
_____________________________________
c. Which tracts do they house?
_____________________________________
d. What specific brain area do these tracts originate from? _____________________________
e. The axons found here belong to which neuron cell type? _____________________________
f. Are these white or gray matter?
_____________________________________
g. What does the term decussation refer to?
_____________________________________
h. Why is decussation important in stroke victims? ___________________________________
___________________________________________________________________________
27. Name the 3 brain parts associated with the diencephalon. ________________________________
____________________________________
____________________________________
28. Which ventricle divides the diencephalon?
____________________________________
29. Give 3 functions of the thalamus. ___________________________________________________
_________________________________________________________________________________
30. These functional areas are found in the hypothalamus. Give a brief function of each.
a. Mammillary bodies _________________________________________________________
b. Cardiovascular center. ______________________________________________________
c. Feeding and Satiety centers. _________________________________________________
__________________________________________________________________________
d. Emotions: ________________________________________________________________
e. Endocrine: _______________________________________________________________
31. Looking at the VENTRAL view of the hypothalamus, what defines the:
a. anterior boundary __________________________________________________________
b. posterior boundary _________________________________________________________
32. How would you describe the position of the epithalamus relative to the nearby ventricle?
___________________________________________________________________________
33. What is the main structure associated with the epithalamus? ______________________________
34. What is the function of this structure in Q 33? __________________________________________
35. Which specific area of the diencephalon has the closest association with the pituitary gland?
__________________________________________
36. The pituitary gland has two parts:
__________________________________________
__________________________________________
37. Give the name of cranial nerve II.
__________________________________________
38. Describe the optic chiasma? ________________________________________________________
39. Give the locations of the lateral ventricles. ____________________________________________
40. Describe the cerebral aqueduct? ____________________________________________________
th
41. Give the location of the 4 ventricle. ________________________________________________
42. Describe the position of the third ventricle relative to the epithalamus, hypothalamus, and thalamus.
__________________________________________________________________________
th
43. What tube connects the 4 ventricle to the spinal cord? _________________________________
44. What substance is found inside the ventricles? ________________________________________
45. Where else do we find the substance in Q#44? ________________________________________
46. What is the infundibulum? _________________________________________________________
47. Which embryological (e.g. telencephalon, etc) brain region are the listed structures associated with?
a. Cerebrum __________________________ i. Medulla ___________________________
b. Pons ______________________________ j. Superior colliclus _____________________
c. Pyramids __________________________
k. Cerebellum _________________________
d. Arbor vitae _________________________ l. thalamus __________________________
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e. Pineal gland ________________________ m. 3 Ventricle ________________________
f. Frontal Lobe ________________________
n. Hypothalamus _____________________
g. Olive _____________________________
o. Cerebral peduncle ___________________
h. Mammillary body ___________________
p. Olfactory bulbs ______________________
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