Answers
\.Afferent Nerves - Answer- Carry sensory information to the central nervous system (CNS).
\.Autonomic Nervous System (ANS) - Answer- Part of the sympathetic nervous system.
\.Autonomic Nervous System (ANS) Composition - Answer- All sympathetic and
parasympathetic nerves are two-stage neural paths.
\.Axon - Answer- The long process emanating from the cell body of a neuron.
\.Axon Hillock - Answer- The cone-shaped structure at the junction between the cell body
and axon of a neuron.
\.Axosomatic synapses - Answer- Synapses identified using Nissl stains.
\.Blood-Brain Barrier - Answer- A mechanism that impedes the passage of toxic substances
from the blood into the brain.
\.Central Nervous System (CNS) - Answer- Composed of the spinal cord and brain.
\.cerebral aqueduct - Answer- A canal connecting the third and fourth ventricles in the brain.
, \.Cerebrospinal Fluid - Answer- Fluid produced in the brain that flows around the brain and
spinal cord.
\.cerebrospinal fluid (CSF) - Answer- Fluid that circulates through the brain's ventricles,
supporting and cushioning the brain.
\.cranial nerves - Answer- The 12 pairs of nerves that emerge directly from the brain,
including the olfactory and optic nerves.
\.Cresyl violet stain - Answer- Used to study neuronal structure.
\.Dendrite - Answer- A branching process of a neuron that receives signals from other
neurons.
\.Divisions of the Nervous System - Answer- The major divisions include the autonomic
nervous system (ANS) and the central nervous system (CNS).
\.dura mater, arachnoid membrane, and pia mater - Answer- The three meninges that
protect the brain and spinal cord, with the dura mater being the outermost layer.
\.Electron microscopy - Answer- Best method to study fine inner details of neuronal
structure.
\.Ganglia - Answer- Clusters of neural cell bodies in the central nervous system (CNS).
\.Golgi neurons - Answer- Neurons stained by Golgi stain.