Table 2. Two-dimensional profiles of M. tuberculosis cells.
| Cell | Area (μm2) | |||
|---|---|---|---|---|
| (Number of serial ultrathin sections) 1 | Average Cross-section (Cell) | Average Cross-section (Cytoplasm) | Outer Membrane Surface | Plasma Membrane Surface |
| Cell 1 (24) | 0.134 | 0.108 | 1.201 | 1.095 |
| Cell 2 (35) | 0.096 | 0.057 | 2.072 | 1.704 |
| Cell 3 (69) | 0.079 | 0.066 | 3.773 | 3.402 |
| Cell 4 (55) | 0.124 | 0.102 | 3.809 | 3.383 |
| Cell 5 (67) | 0.147 | 0.116 | 4.328 | 3.775 |
| Average | 0.116 | 0.090 | 3.037 | 2.672 |
| SD | 0.028 | 0.026 | 1.333 | 1.191 |
1 Values in parenthesis indicate the number of serial ultrathin sections required to complete whole cell profile measurement.