PSYC 2410 Lecture Notes - Lecture 4: Amygdala, Meninges, Peripheral Nervous System
31 May 2018
School
Department
Course
Professor
ANATOMY OF NERVOUS SYSTEM
• Cells of nervous system
o Neurons
▪ Features
• Cell membrane
• Cell body
o Internal
▪ Cytoplasm
▪ Nucleus
▪ Mitochondria
▪ Endoplasmic reticulum
▪ Ribosomes
▪ Golgi complex
▪ Microtubules
• Dendrites
• Axon hillock
• Axon
• Myelin
• Nodes of ranvier
• Buttons
o Internal
▪ Synaptic vesicles
▪ Neurotransmitters
• Synapses
▪ Classes
• Unipolar neuron
• Bipolar neuron
• Multipolar
o Neuron
o Interneuron
o Glial cells
▪ 4 Kinds
• Oligodendrocytes
o Myelin in CNS
• Schwann cells
o Myelin in PNS
• Microglia
o Immune system
o Cell death
o Synapse formation and elimination
• Astrocytes
o Nourishment
o Blood brain barrier
find more resources at oneclass.com
find more resources at oneclass.com
o Signals
o Connections
• Neuroanatomical techniques
o Kinds
▪ Golgi stain
• study
o Individual neurons
▪ Nissl stain
• Study
o Cell bodies of neurons
▪ Electron microscopy
• Study
o Neural ultrastructure
▪ Neuroanatomical tracing techniques
• Study
o Individual axons
• 2 types
o anterograde
▪ soma to terminal fields
o retrograde
▪ terminal fields to soma
• Directions
o 3 axes
▪ anterior-posterior
• anterior (or rostral)
o toward nose end
• posterior (or caudal)
o toward tail end
▪ dorsal-ventral
• dorsal
o toward back
o toward top of head
▪ (or superior)
• ventral
o toward chest
o toward chin
▪ (or inferior)
▪ medial-lateral
• medial
o toward midline
• lateral
o away from midline
o other directions
find more resources at oneclass.com
find more resources at oneclass.com
