Name examples of ganglions
- Dorsal root ganglion(in the spinal cord)
- Cranial ganglion(in the head)
Whats the origin of nerve ganglion?
They originate from Neural crest cells from the neural tube in the embryo
What type of cell bodies does dorsal root ganglion have
Afferent neurons(They bring sensory neurons from outside to inside)
What type of neurons are in dorsal root ganglion
Myelinated fascicles of pseudo-unipolar neuons
What type of neurons are in sympathetic(autonomic) ganglion
Unmyelinated, multipolar neurons
Sympathetic(autonomic) ganglion receive signals from where
Presynaptic cells in the CNS
What is the endoneurim made of
Bundles of collagen fibrils and nerve fibers
Whats the perineurim made of
Circular layers of fibroblasts, forming blood-nerve barrier
Whats the most common neurotransmitter in PNS for synapses
Acetylcholine