Table 2.
Measurementsa and indices of Anisakis type I larvae from human cases
| Items | 3rd stage (n = 7) | 4th stage (n = 7) | Chai et al. (1986) [7]b |
|---|---|---|---|
| Body length | 16.55-29.0 (23.98) | 17.10-22.75 (20.68) | 13.4-25.0 (20.7) |
| Body width | 0.35-0.58 (0.48) | 0.45-0.58 (0.50) | 0.23-0.54 (0.41) |
| Esophagus (total) | 2.0-3.0 (2.46) | 2.35-3.38 (2.88) | 1.86-2.70 (2.36) |
| Muscular part | 1.55-2.08 (1.85) | 1.75-2.50 (2.18) | 1.27-1.89 (1.65) |
| Ventricular part | 0.45-0.92 (0.62) | 0.55-0.88 (0.71) | 0.57-0.83 (0.71) |
| Tail | 0.08-0.12 (0.10) | 0.10-0.15 (0.13) | 0.07-0.12 (0.10) |
| Mucron | 20-25 (21) μm | - | - |
| Indicesc | |||
| α | 37.59-58.0 (49.96) | 34.20-50.0 (41.36) | 43.7-66.3 (50.6) |
| β1 | 7.20-10.04 (9.75) | 6.63-8.24 (7.18) | 7.02-9.92 (8.73) |
| β2 | 10.08-13.94 (12.96) | 8.95-10.56 (9.49) | 10.01-14.70 (12.5) |
| β3 | 24.34-40.34 (38.68) | 23.58-37.50 (29.13) | 25.5-39.4 (29.2) |
| γ | 157.9-290.0 (239.8) | 145.57-186.5 (159.08) | 167.6-271.3 (213.4) |
a
Unit is mm.
b
from the yellow corvine, Pseudosciaena polyactis.
c
Legend: α=Body length/Body width; β1=Body length/Esophagus; β2=Body length/Muscular part of esophagus; β3=Body length/Ventriculus; γ=Body length/Tail.