Table 1.
Morphological classification of excitatory neurons in the SSC of juvenile rats.
| layer | PC type | PC subtype | full name | main apical features | used name in publications |
|---|---|---|---|---|---|
| layer 2 | L2_TPC | L2_TPC:A | Layer 2 Tufted PC_A | tufted, late bifurcating, small tuft | L2/3 PC |
| L2_TPC:B | Layer 2 Tufted PC_B | tufted, early bifurcating, broad tuft | L2/3 PC | ||
| L2_IPC | Layer 2 Inverted PC | inverted, later bifurcating, small tuft | |||
| layer 3 | L3_TPC | L3_TPC:A | Layer 3 Tufted PC_A | tufted, late bifurcating, multiple obliques | L2/3_PC |
| L3_TPC:B | Layer 3 Tufted PC_B | tufted, late bifurcating, no/a few obliques | L2/3_PC | ||
| layer 4 | L4_TPC | Layer 4 Tufted PC | tufted, late bifurcating, small tuft | L4_PC | |
| L4_UPC | Layer 4 Untufted PC | untufted PC | L4_SP (star PC) | ||
| L4_SSC | Layer 4 Spiny Stellate Cell | no apical clearly outlined | L4_SS (stellate cell) | ||
| layer 5 | L5_TPC | L5_TPC:A | Layer 5 Tufted PC_A | tufted, late bifurcating, broad tuft | L5_TTPC (thick tufted PC, simple PC) |
| L5_TPC:B | Layer 5 Tufted PC_B | tufted, early bifurcating, broad tuft | L5_TTPC (thick tufted PC, complex PC) | ||
| L5_TPC:C | Layer 5 Tufted PC_C | tufted, late bifurcating, small tuft | L5_STPC (slender PC) | ||
| L5_UPC | Layer 5 Untufted PC | untufted | L5_UTPC (untufted PC) | ||
| layer 6 | L6_TPC | L6_TPC:A | Layer 6 Tufted PC_A | tufted, late bifurcating, small tuft | L6_TPC_L1 and L6_TPC_L4 |
| L6_TPC:C | Layer 6 Tufted PC_C | tufted, narrow, late bifurcating, small tuft | L6 narrow PC | ||
| L6_UPC | Layer 6 Untufted PC | untufted | L6_UTPC | ||
| L6_IPC | Layer 6 Inverted PC | inverted, later bifurcating, small tuft | L6 inverted PC | ||
| L6_BPC | Layer 6 Bipolar PC | 1 upward apical and 1 downward apical | L6 bipolar PC | ||
| L6_HPC | Layer 6 Horizontal PC | horizontal, long segments | L6 horizontal PC | ||