. Characterization of the venom of Glycera dibranchiata. Sweet Briar College; Glycera dibranchiata. Ungerer 6 When the proboscis is inverted, the buccal tube is the most anterior portion of the proboscis, and extends posteriorly from the mouth for approximately 20 segments before joining with the pharynx (Gravier 1898, Wells 1937, cited by Heacox 1974). The junction of the buccal tube with the pharynx is marked on the coelomic surface by the presence of four lobed membranes called languettes, and on the luminal surface by four jaws. In the everted proboscis, the buccal tube turns inside out, t
. Characterization of the venom of Glycera dibranchiata. Sweet Briar College; Glycera dibranchiata. Ungerer 6 When the proboscis is inverted, the buccal tube is the most anterior portion of the proboscis, and extends posteriorly from the mouth for approximately 20 segments before joining with the pharynx (Gravier 1898, Wells 1937, cited by Heacox 1974). The junction of the buccal tube with the pharynx is marked on the coelomic surface by the presence of four lobed membranes called languettes, and on the luminal surface by four jaws. In the everted proboscis, the buccal tube turns inside out, the esophagus unfolds, and the pharynx becomes the most anterior part of the worm (Fig. 3).. ^ZMSL. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ungerer, Natasha K.
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