| 21. | The syndrome, which affects the abalone's digestive glands, also has been found in pink, red, green and white abalone.
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| 22. | A digestive gland secretes enzymes into the stomach, but, unlike some other molluscs, does not digest the food directly itself.
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| 23. | The digestive gland in the cerata is red and there are large white spots all over the surfaces of the cerata.
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| 24. | In addition to the pericardial glands and nephridum, excretory cells are also present in the digestive glands opening into the stomach.
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| 25. | The nephridium is anterior and ventral of the digestive gland, and is in contact with the dorsal side of the foregut.
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| 26. | Upon capture of prey, the leaf curls around it to bring it into contact with as many digestive glands as possible.
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| 27. | In the Venus flytrap, this same molecule has been found to be responsible for the activation of the plant's digestive glands.
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| 28. | It is the sporocysts, which are long and tangled within the mollusk host's digestive gland, that cause parasitic castration of the host.
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| 29. | The digestive gland in the cerata is usually red and there is purple surface iridescence on the outer part of the cerata.
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| 30. | The gross signs of infection include colourless and translucent tissues because of resorption of the gonad and a pale yellow-brown digestive gland.
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