Nervous System Flashcards
What are astrocytes?
Structural and metabolic support in the CNS
What are microglia?
Immune support in the CNS
What are ependymal cells?
Line ventricles, CSF homeostasis (CNS)
What are satellite cells?
Structural and metabolic support in PNS ganglia
What is a cluster of cell bodies in the CNS?
Nucleus
What is a bundle of axons in the CNS?
Tract
What is a cluster of cell bodies in the PNS?
Ganglion
What is a bundle of axons in the PNS?
Nerve
What does the cerebrum do?
Higher neurological functions- memory, emotion, consciousness
What makes up the diencephalon?
Thalamus, hypothalamus and epithalamus
What are the components of the brainstem?
Midbrain, pons and medulla
What is the cerebellum responsible for?
Coordination and balance
What does the hypothalamus do?
Homeostasis/endocrine
What happens in the brainstem?
Heart rate, breathing rate, sleeping cycle
Origin of cranial nerves
What are the 4 plexi?
Cervical, brachial, lumbar and sacral