Table 2.
Dimensions of endosomal compartments
| Compartment | Diameter (nm) | Length (nm) | Putative functional stage | ||||
|---|---|---|---|---|---|---|---|
| Min | Max | Mean ± SEM | Min | Max | Mean ± SEM | ||
| Coated pit | 50 | 100 | 76 ± 2.7 | 70 | 110 | 92 ± 2.7 | Endocytosis |
| Coated vesicle | 55 | 75 | 66 ± 2.6 | 70 | 100 | 82 ± 2.7 | Endocytosis |
| Large vesicle | 55 | 95 | 69 ± 1.5 | 70 | 120 | 83 ± 1.7 | Post-endocytosis |
| Tubule | 37 | 75 | 47 ± 0.5 | 90 | 740 | 190 ± 11 | Recycling/sorting |
| Multivesicular body | 150 | 340 | 242 ± 10 | ∼Spherical | Carrier vesicle | ||
| Small vesicle | 40 | 60 | 49 ± 0.4 | ∼Spherical | Exocytosis | ||
Min, Minimum; Max, maximum.