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* indicates new v2.0 neuron type Name Supertype (ID:Family:Type:Subregion) CA3 (i)12000 R-LM S121402:O-LM Family:O-LM-like:CA3 Name derivation This name is a variant of "O-LM," since the soma and dendrites are in SR and the axons project to SLM and is from the cited literature. CA3 clarifies the subregion of origin, since the name is otherwise generic. R-LM stands for "Radiatum (dendrites) - Lacunosum-Moleculare (axons)." Synonym(s) CA3 R-LM cell CA3 RLM cell List of articles Click here to view the list Gloveli T  (2010) Hippocampal Microcircuits: A Computational Modeler's Resource Book Neuronal Activity Patterns During Hippocampal Network Oscillations In Vitro Gloveli T, Kopell N, Dugladze T. Hippocampal Microcircuits: A Computational Modeler's Resource Book, 2010, Pages: 247 - 276 ISBN: 9781441909954 Tags: morphology, connectivity, synapse probabilities Hajos N  (2004) J Neurosci Spike timing of distinct types of GABAergic interneuron during hippocampal gamma oscillations in vitro. Hajos N, Palhalmi J, Mann EO, Nemeth B, Paulsen O, Freund TF. J Neurosci, 2004 Oct 13, 24 (41), Pages: 9127 - 9137 PMID: 15483131; DOI: 10.1523/JNEUROSCI.2113-04.2004 Tags: morphology, connectivity, synapse probabilities

Morphology

Soma
	CA3:SR

Axons
	CA3:SLM

Dendrites
	CA3:SR

Representative figure

Spike timing of distinct types of GABAergic interneuron during hippocampal gamma oscillations in vitro. Hajos N, Palhalmi J, Mann EO, Nemeth B, Paulsen O, Freund TF J Neurosci, 2004 Oct 13, 24 (41), pages: 9127 - 9137 PMID: 15483131; DOI: 10.1523/JNEUROSCI.2113-04.2004

"Figure 5. ... Camera lucida reconstructions of an OLM [oriens lacunosum-moleculare] [CA3] cell (A), a radiatum cell {CA3 Radiatum} (B), and an RLM [radiatum-lacunosum moleculare] cell {CA3 R-LM} (C) are shown. ... B, The dendritic tree, as well as the axon cloud of the radiatum cell, were located in the stratum radiatum. C, The RLM cell with the majority of dendrites in the stratum radiatum exclusively projected to the stratum lacunosum-moleculare."

Molecular markers

Positive
	None known

Negative
	GABAa\alpha 6 (inference)
	PV (inference)

Mixed expression
	None known

Electrophysiological properties

None known

Notes

Borderline dendrites in SO

Firing Pattern

Images
	No image is associated with this neuron

Parameters
	No parameter associated with this neuron

ModelDB Model

Model Accession Number

PubMed ID

Sources of Input

Known sources Excitatory or Inhibitory none known

Potential sources Excitatory or Inhibitory DG HIPROM CA3 Pyramidal CA3c Pyramidal CA3c Umbrella Pyramidal* CA3 Bistratified CA3 Ivy CA3 LMR-Targeting CA3 Lucidum ORAX CA3 Lucidum-Radiatum CA3 Spiny Lucidum CA3 Mossy Fiber-Associated CA3 O-LM CA3 Interneuron Specific Oriens CA3 Perforant Path-Associated Projecting* CA3 Interneuron Specific Quad CA3 Radiatum CA3 Trilaminar CA2 Pyramidal CA1 Back-Projection

Potential sources known to be avoided Excitatory or Inhibitory none known

Targets of Output

Known targets Excitatory or Inhibitory none known

Potential targets Excitatory or Inhibitory CA3 Pyramidal CA3 Athorny Pyramidal* CA3c Umbrella Pyramidal* CA3 Giant CA3 Granule CA3 Axo-axonic CA3 Basket CA3 Basket CCK+ CA3 LMR-Targeting CA3 Perforant Path-Associated* CA3 Perforant Path-Associated Projecting*

Potential targets known to be avoided Excitatory or Inhibitory none known

Oscillation Phase Locking

Category

Value