BIOL 2401 Practical 2 – Questions & Correct Answers

BIOL 2401 Practical 2 – Questions & Correct Answers

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Terms in this set (205)


Central Nervous System (CNS) Anatomical Divisions of the Nervous System (2)
Peripheral Nervous System
(PNS)

Brain The Central Nervous System (CNS) is made up of what parts (2)
Spinal Cord

Cranial Nerves The Peripheral Nervous System (PNS) is made up of what parts
Spinal Nerves (5)
Nerve Fibers
Nerves
Neurons (Nerve Cells)

Sensory Function / Afferent Nerve fibers carrying information into the brain. Always PNS.

Nerve fibers carrying information away from the brain. Always
Motor Function / Efferent
PNS

Association Function / Nerve fibers that are neither sensory or motor and Always CNS.
Interneuron

Neurons (excitable cells) Cells of the Nervous System (2)
Glial Cells (support cells)

Neuron (Label 1)

Dendrite



Neuron (Label 2)

Soma / Cell Body



Neuron (Label 3)

Axon



Neuron (Label 4)

Node of Ranvier



Neuron (Label 5)

Axon Terminal

, Neuron (Label 6)

Schwann Cell



Neuron (Label 7)

Myelin Sheath



Neuron (Label 8)

Nucleus



Neuron (Label 9)

Axon Hillock



Neuron (Label 10)

Synaptic Knob



Neuron (Label 11)

Telodendria / Telodendrion



Dendrite What part of the Neuron is the first to receive the message

Soma / Cell Body / Nucleus What part of the Neuron receives and processes the message

Axon What part of the Neuron carries the message to be delivered

Axon Terminal What part delivers the message
(including Telodendrion and
Synaptic Knobs)

Synapse (Label 1)

Presynaptic Axon Terminal



Synapse (Label 2)

Synaptic Vesicle



Synapse (Label 3)

Neurotransmitter



Synapse (Label 4)

Receptor



Synapse (Label 5)

Ion Channel



Synapse (Label 6)

Postsynaptic Dendrite