450. Somogyi P and Soltesz I. (1986) Immunogold demonstration of GABA in synaptic terminals of intracellularly recorded, horseradish peroxidase-filled basket cells and clutch cells in the cat's visual cortex. Neuroscience 19:1051-65.

NeuronCompartmentPropertyConnectivityNotes
Neocortex V1 interneuron basket PV cellAxon terminalGabawith spiny neurons (reciprocally)GABA is a neurotransmitter used by basket cells or clutch cells (Somogyi P and Soltesz I, 1986 [cat ]450 ). Basket cells make synaptic contact with pyramidal and spiny stellate cells preferentially on the somata (50%) and dendritic shaft (45%), but synapses on dendritic spines are also present (4.9%). IPSPs elicited in the postsynaptic cells have short latency, fast rising time and short duration, similar to those mediated by GABAA receptors (Tamas G et al, 1997448 ). Layer 4 basket cells in cat visual cortex receive excitatory input from neighboring spiny neurons, resulting in large excitatory EPSPs. One third of spiny cell-smooth cell pair were connected reciprocally (postsynaptic targets include local spiny stellate, pyramidal cells, as well as smooth neurons), but the postsynaptic IPSPs evoked by basket cells are slower, GABAergic, probably of GABAA type (Tarczy-Hornoch K et al, 1998445 ).
Axon terminalGabawith spiny neurons (reciprocally)GABA is a neurotransmitter used by basket cells or clutch cells (Somogyi P and Soltesz I, 1986 [cat ]450 ). Basket cells make synaptic contact with pyramidal and spiny stellate cells preferentially on the somata (50%) and dendritic shaft (45%), but synapses on dendritic spines are also present (4.9%). IPSPs elicited in the postsynaptic cells have short latency, fast rising time and short duration, similar to those mediated by GABAA receptors (Tamas G et al, 1997448 ). Layer 4 basket cells in cat visual cortex receive excitatory input from neighboring spiny neurons, resulting in large excitatory EPSPs. One third of spiny cell-smooth cell pair were connected reciprocally (postsynaptic targets include local spiny stellate, pyramidal cells, as well as smooth neurons), but the postsynaptic IPSPs evoked by basket cells are slower, GABAergic, probably of GABAA type (Tarczy-Hornoch K et al, 1998445 ).
Axon terminalGabawith spiny neurons (reciprocally)GABA is a neurotransmitter used by basket cells or clutch cells (Somogyi P and Soltesz I, 1986 [cat ]450 ). Basket cells make synaptic contact with pyramidal and spiny stellate cells preferentially on the somata (50%) and dendritic shaft (45%), but synapses on dendritic spines are also present (4.9%). IPSPs elicited in the postsynaptic cells have short latency, fast rising time and short duration, similar to those mediated by GABAA receptors (Tamas G et al, 1997448 ). Layer 4 basket cells in cat visual cortex receive excitatory input from neighboring spiny neurons, resulting in large excitatory EPSPs. One third of spiny cell-smooth cell pair were connected reciprocally (postsynaptic targets include local spiny stellate, pyramidal cells, as well as smooth neurons), but the postsynaptic IPSPs evoked by basket cells are slower, GABAergic, probably of GABAA type (Tarczy-Hornoch K et al, 1998445 ).
Axon terminalGabawith spiny neurons (reciprocally)GABA is a neurotransmitter used by basket cells or clutch cells (Somogyi P and Soltesz I, 1986 [cat ]450 ). Basket cells make synaptic contact with pyramidal and spiny stellate cells preferentially on the somata (50%) and dendritic shaft (45%), but synapses on dendritic spines are also present (4.9%). IPSPs elicited in the postsynaptic cells have short latency, fast rising time and short duration, similar to those mediated by GABAA receptors (Tamas G et al, 1997448 ). Layer 4 basket cells in cat visual cortex receive excitatory input from neighboring spiny neurons, resulting in large excitatory EPSPs. One third of spiny cell-smooth cell pair were connected reciprocally (postsynaptic targets include local spiny stellate, pyramidal cells, as well as smooth neurons), but the postsynaptic IPSPs evoked by basket cells are slower, GABAergic, probably of GABAA type (Tarczy-Hornoch K et al, 1998445 ).
Axon terminalGabawith spiny neurons (reciprocally)GABA is a neurotransmitter used by basket cells or clutch cells (Somogyi P and Soltesz I, 1986 [cat ]450 ). Basket cells make synaptic contact with pyramidal and spiny stellate cells preferentially on the somata (50%) and dendritic shaft (45%), but synapses on dendritic spines are also present (4.9%). IPSPs elicited in the postsynaptic cells have short latency, fast rising time and short duration, similar to those mediated by GABAA receptors (Tamas G et al, 1997448 ). Layer 4 basket cells in cat visual cortex receive excitatory input from neighboring spiny neurons, resulting in large excitatory EPSPs. One third of spiny cell-smooth cell pair were connected reciprocally (postsynaptic targets include local spiny stellate, pyramidal cells, as well as smooth neurons), but the postsynaptic IPSPs evoked by basket cells are slower, GABAergic, probably of GABAA type (Tarczy-Hornoch K et al, 1998445 ).
Axon terminalGabawith spiny neurons (reciprocally)GABA is a neurotransmitter used by basket cells or clutch cells (Somogyi P and Soltesz I, 1986 [cat ]450 ). Basket cells make synaptic contact with pyramidal and spiny stellate cells preferentially on the somata (50%) and dendritic shaft (45%), but synapses on dendritic spines are also present (4.9%). IPSPs elicited in the postsynaptic cells have short latency, fast rising time and short duration, similar to those mediated by GABAA receptors (Tamas G et al, 1997448 ). Layer 4 basket cells in cat visual cortex receive excitatory input from neighboring spiny neurons, resulting in large excitatory EPSPs. One third of spiny cell-smooth cell pair were connected reciprocally (postsynaptic targets include local spiny stellate, pyramidal cells, as well as smooth neurons), but the postsynaptic IPSPs evoked by basket cells are slower, GABAergic, probably of GABAA type (Tarczy-Hornoch K et al, 1998445 ).
Axon terminalGabawith spiny neurons (reciprocally)GABA is a neurotransmitter used by basket cells or clutch cells (Somogyi P and Soltesz I, 1986 [cat ]450 ). Basket cells make synaptic contact with pyramidal and spiny stellate cells preferentially on the somata (50%) and dendritic shaft (45%), but synapses on dendritic spines are also present (4.9%). IPSPs elicited in the postsynaptic cells have short latency, fast rising time and short duration, similar to those mediated by GABAA receptors (Tamas G et al, 1997448 ). Layer 4 basket cells in cat visual cortex receive excitatory input from neighboring spiny neurons, resulting in large excitatory EPSPs. One third of spiny cell-smooth cell pair were connected reciprocally (postsynaptic targets include local spiny stellate, pyramidal cells, as well as smooth neurons), but the postsynaptic IPSPs evoked by basket cells are slower, GABAergic, probably of GABAA type (Tarczy-Hornoch K et al, 1998445 ).
Axon terminalGabawith spiny neurons (reciprocally)GABA is a neurotransmitter used by basket cells or clutch cells (Somogyi P and Soltesz I, 1986 [cat ]450 ). Basket cells make synaptic contact with pyramidal and spiny stellate cells preferentially on the somata (50%) and dendritic shaft (45%), but synapses on dendritic spines are also present (4.9%). IPSPs elicited in the postsynaptic cells have short latency, fast rising time and short duration, similar to those mediated by GABAA receptors (Tamas G et al, 1997448 ). Layer 4 basket cells in cat visual cortex receive excitatory input from neighboring spiny neurons, resulting in large excitatory EPSPs. One third of spiny cell-smooth cell pair were connected reciprocally (postsynaptic targets include local spiny stellate, pyramidal cells, as well as smooth neurons), but the postsynaptic IPSPs evoked by basket cells are slower, GABAergic, probably of GABAA type (Tarczy-Hornoch K et al, 1998445 ).
Axon terminalGabawith spiny neurons (reciprocally)GABA is a neurotransmitter used by basket cells or clutch cells (Somogyi P and Soltesz I, 1986 [cat ]450 ). Basket cells make synaptic contact with pyramidal and spiny stellate cells preferentially on the somata (50%) and dendritic shaft (45%), but synapses on dendritic spines are also present (4.9%). IPSPs elicited in the postsynaptic cells have short latency, fast rising time and short duration, similar to those mediated by GABAA receptors (Tamas G et al, 1997448 ). Layer 4 basket cells in cat visual cortex receive excitatory input from neighboring spiny neurons, resulting in large excitatory EPSPs. One third of spiny cell-smooth cell pair were connected reciprocally (postsynaptic targets include local spiny stellate, pyramidal cells, as well as smooth neurons), but the postsynaptic IPSPs evoked by basket cells are slower, GABAergic, probably of GABAA type (Tarczy-Hornoch K et al, 1998445 ).
Neocortex M1 interneuron basket PV cellAxon terminalGabawith spiny neurons (reciprocally)GABA is a neurotransmitter used by basket cells or clutch cells (Somogyi P and Soltesz I, 1986 [cat ]450 ). Basket cells make synaptic contact with pyramidal and spiny stellate cells preferentially on the somata (50%) and dendritic shaft (45%), but synapses on dendritic spines are also present (4.9%). IPSPs elicited in the postsynaptic cells have short latency, fast rising time and short duration, similar to those mediated by GABAA receptors (Tamas G et al, 1997448 ). Layer 4 basket cells in cat visual cortex receive excitatory input from neighboring spiny neurons, resulting in large excitatory EPSPs. One third of spiny cell-smooth cell pair were connected reciprocally (postsynaptic targets include local spiny stellate, pyramidal cells, as well as smooth neurons), but the postsynaptic IPSPs evoked by basket cells are slower, GABAergic, probably of GABAA type (Tarczy-Hornoch K et al, 1998445 ).
Neocortex U1 interneuron basket PV cellAxon terminalGabawith spiny neurons (reciprocally)GABA is a neurotransmitter used by basket cells or clutch cells (Somogyi P and Soltesz I, 1986 [cat ]450 ). Basket cells make synaptic contact with pyramidal and spiny stellate cells preferentially on the somata (50%) and dendritic shaft (45%), but synapses on dendritic spines are also present (4.9%). IPSPs elicited in the postsynaptic cells have short latency, fast rising time and short duration, similar to those mediated by GABAA receptors (Tamas G et al, 1997448 ). Layer 4 basket cells in cat visual cortex receive excitatory input from neighboring spiny neurons, resulting in large excitatory EPSPs. One third of spiny cell-smooth cell pair were connected reciprocally (postsynaptic targets include local spiny stellate, pyramidal cells, as well as smooth neurons), but the postsynaptic IPSPs evoked by basket cells are slower, GABAergic, probably of GABAA type (Tarczy-Hornoch K et al, 1998445 ).

References
450. Somogyi P and Soltesz I. (1986) Immunogold demonstration of GABA in synaptic terminals of intracellularly recorded, horseradish peroxidase-filled basket cells and clutch cells in the cat's visual cortex. Neuroscience 19:1051-65.
448. Tamas G, Buhl EH and Somogyi P. (1997) Fast IPSPs elicited via multiple synaptic release sites by different types of GABAergic neurone in the cat visual cortex. J Physiol 500 ( Pt 3):715-38.
445. Tarczy-Hornoch K, Martin KA, Jack JJ and Stratford KJ. (1998) Synaptic interactions between smooth and spiny neurones in layer 4 of cat visual cortex in vitro. J Physiol 508 ( Pt 2):351-63.
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