System and Drug Effects
1. Central nervous Brain and spinal cord, encased in bone.
system (CNS)
2. Peripheral ner- Cranial nerves, spinal nerves, and peripheral ganglia.
vous system
(PNS)
3. Cortex The outer layer of the brain.
4. Anterior Toward the head.
5. Posterior Toward the tail.
6. Rostral Toward the front of the face.
7. Caudal Away from the front of the face.
8. Dorsal surface Top of the head and back.
9. Ventral Toward the bottom of the skull or the front of the body.
10. Lateral Toward the side.
11. Medial Toward the middle.
, Foundations of Behavioral Neuroscience & Psychopharmacology: Nervo
System and Drug Effects
12. Ipsilateral Structures on the same side of the body.
13. Contralateral Structures on opposite sides of the body.
14. Cross sections One way to slice the nervous system.
15. Horizontal sec- Another way to slice the nervous system.
tions
16. Sagittal sections A third way to slice the nervous system.
17. Meninges Protective sheaths around the brain and spinal cord.
18. Dura mater The outer layer of the meninges.
19. Arachnoid mem- The middle layer of the meninges.
brane
20. Pia mater The layer around every surface of the brain.
21. Subarachnoid Gap filled with cerebrospinal fluid (CSF).
space
, Foundations of Behavioral Neuroscience & Psychopharmacology: Nervo
System and Drug Effects
22. Ventricular Sys- Consists of ventricles, a series of hollow, interconnected chambers.
tem
23. Cerebrospinal Fluid that bathes the brain within the subarachnoid space.
fluid (CSF)
24. Forebrain The most dorsal division of the brain, consisting of the telencephalon and dien-
cephalon.
25. Telencephalon Includes most of the two symmetrical cerebral hemispheres, which make up the
cerebrum.
26. Cerebral Cortex Surrounds cerebral hemispheres like bark on a tree.
27. Lobes of the Includes the frontal, parietal, temporal, and occipital lobes.
Cerebral Cortex