Table 2.

Anatomical parameters of biocytin-labeled striatal NPY interneurons

Area (μm2)Perimeter (μm)Soma size (μm)Primary dendritesProcesses on dendritesSholl analysis
WidthHeightVaricoseSpineBothNo. of dendritic tipsMean dendritic field diameter (μm)Mean axonal field diameter (μm)
NPY–PLTS (11)107 ± 13 (81–215)48 ± 3 (36–68)15.6 ± 0.8 (12–20)9.5 ± 0.5 (7–13)2.7 ± 0.2 (2–4)11/1111/1111/117.7 ± 0.6 (5–13)573 ± 91 (260–870)723 ± 169 (400–970)
n = 8n = 8n = 5
NPY–NGF (5)106 ± 11 (81–131)51 ± 5 (41–70)12.6 ± 0.7# (11–15)9.4 ± 0.6 (8–11)6.8 ± 0.6* (5–9)5/54/54/551.4 ± 6.1* (38–68)222 ± 22# (150–280)650 ± 150 (500–800)
n = 4n = 4n = 2
  • All values are means ± SEM. The numbers in parentheses refer to the range of values. n refers to number of neurons from which the measurements were obtained.

  • *p < 0.001; #p < 0.05, Student's two-tailed t test.