Abstract
THE possible connexion of the labral glands with the feeding process in Chirocephalus has aroused considerable controversy (see Cannon1). Current work on the function of the numerous body glands in this animal leads us to the conclusion that these have the same function as the tegumental glands of the Decapoda (Yonge2), that is, the formation of the outer, cuticular portion, of the integument. The labral glands have essentially the same structure as the body glands and we have increasing evidence that they have the same function. We are therefore interested in the claim recently made by Cannon1 that he has identified the secretion of the labral glands. He has directed attention to the presence in sections of an amorphous mass on either side of the labrum, over the ventral food groove and also throughout the gut, which stains with anilin blue. A very detailed study of the arrangement of this has led him to the conclusion that this must all be formed by the labral glands.
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References
Cannon, Proc. Roy. Soc., B, 117, 455; 1935.
Yonge, Proc. Roy. Soc, B, 111, 298; 1932.
Yonge, NATURE, 136, 67; 1935.
Lang and Yonge, J. Mar. Biol. Assoc., 20, 333; 1935.
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NICHOLSON, K., YONGE, C. Function of the Labral Glands in Chirocephalus. Nature 136, 608 (1935). https://doi.org/10.1038/136608a0
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DOI: https://doi.org/10.1038/136608a0
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