Main references (data with "?" refer to a reasonable guess; with
"??" to a total guess):
Morphology: Same as DG cc?
Number and connectivity: Bernard and Wheal,
1994.
Biochemistry and physiology: Freund and Buzsaki,
1996.
Type: Interneurons, inhibitory (GABA)
Number: 1000
Location (CA1): Soma and axon in pyramidal layer, dendrites
in all layers.
Explicit morphological data: Same as DG cc?
Notes: Martinez et al. (1996) describe
cc regional variability and synaptic targets in DG and CA.
Connectivity:
Axonal output (number of cells contacted, with one synapse unless
specified; in parenthesis: number of cells of that type):
40,000 CA1 pc x20 (200,000)
800 CA1 bc (4000)
Axo-somatic input:
GABA ?550 SHP on soma and dendrites (climbing)
GABA 800 CA1 bc (4000)
GABA 800 CA1 oa (4000)
Dendritic input:
Glu 12,000 CA3 pc (200,000) on shaft
Glu 90,000 CA1 pc (300,000) on shaft
Biochemistry:
Dendrites: AMPA, CCa?, NMDA?
Soma: GABA-A?, GABA-B, CNa, CK?, ED
?
Axon: CNa, CK?, EC, EP.