Fig. 9. Chronology of the development of ventilatory events and structures in
zebrafish. Solid arrows correspond to results obtained from the present study;
dotted arrows indicate the work of previous authors.
1Kimmel et al.,
1995; 2Rombough,
2002; 3Higashijima
et al., 2000. 5-HT, serotonin; d.p.f., days postfertilization; IR,
immunoreactive; NECs, neuroepithelial cells; HV, hyperventilatory