. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. TUBULIN LABELING IN LARVAE 175. Figure 4. Ampullary neuron perikarya and control labeling. (A) Ampullary neuron perikarya (P) and ciliary bundles (CB) in a 13-day-old larva of Melibe leonina (~ 19 days before competence; Bickel and Kempf, 1983). (B) Ampullary neuron perikarya and ciliary bundles in a 15-day-old larva ofTritonia diomedea ( — 19 days before competence; Kempf and Willows, 1977) (C) Positive control, newly hatched larva of M. leonina labeled with a mouse monoclonal antibody that binds to small cardioactive pepti
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. TUBULIN LABELING IN LARVAE 175. Figure 4. Ampullary neuron perikarya and control labeling. (A) Ampullary neuron perikarya (P) and ciliary bundles (CB) in a 13-day-old larva of Melibe leonina (~ 19 days before competence; Bickel and Kempf, 1983). (B) Ampullary neuron perikarya and ciliary bundles in a 15-day-old larva ofTritonia diomedea ( — 19 days before competence; Kempf and Willows, 1977) (C) Positive control, newly hatched larva of M. leonina labeled with a mouse monoclonal antibody that binds to small cardioactive peptides (anti-SCP). Axons crossing the cerebral commissure and extending from posterior neurons on either side of the larva are labeled. The dashed oval indicates the position of the apical ganglion and its associated ampullary neurons. (D) Example of secondary antibody control. Note lack of labeling by secondary, RITC-conjugated, goat anti-mouse IgG antibody in a newly hatched larva of T, diomedea. The dashed oval indicates the position of the apical ganglion and its associated ampullary neurons. (E) Example of secondary antibody control. Note lack of labeling by secondary. Alexafluor 594-conjugated donkey anti-mouse IgG antibody in a newly hatched larva of Armina californica. The dashed oval indicates the position of the apical ganglion and its associated ampullary neurons. Scale bars: A, B = 5 fim; C, D, E = 10 jam. pretrochal surface some distance to the left and right of the central ampullary neuron-ciliary tuft cell grouping (Fig. 5A-C, D, E). The general position of the apical nerve relative to the ampullary and serotonergic parampullary type I neurons is shown in Figure 6. Discussion Apical ganglion and ampullary neurons The apical ganglion (AG) of molluscs (Leise, 1996; Lin and Leise, 1996a, b; Marois and Carew, 1997a, b) is also known by a variety of other names, , apical sense organ (Conklin, 1897), apical organ (Pelseener, 1911; Werner, 1955; Tardy, 1974; Page, 19
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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
