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. Author manuscript; available in PMC: 2008 Jun 26.
Published in final edited form as: J Comp Neurol. 2008 Feb 1;506(4):616–626. doi: 10.1002/cne.21576

TABLE 4.

Frequency of CRF-IR Axon Terminals Making Asymmetric or Symmetric Synapses on TH-IR Cell Bodies or Dendrites in the VTA

Total number of counted synapses (n = 148) 100%
Postsynaptic targets of CRF-IR axon terminals Asymmetric synapses (n = 123) 83% Symmetric synapses (n = 25) 17%
TH-IR cell bodies [total % of synapses on TH+ cell bodies (7%)] 5% (n = 7) 2% (n = 3)
TH-IR dendrites [total % of synapses on TH+ dendrites (93%)] 78% (n = 116) 15% (n = 22)