. Bulletin of the United States Fish Commission. Fisheries -- United States; Fish-culture -- United States. EXPERIMENTAL STUDY OF THE OYSTEB GILL plicae being visible to the naked eye. The neighboring filaments are connected by an interfilameutal junction () formed by a band of connective tissue running round the inner surface of the plicae. In every groove between the two adjacent filaments there is a water pore (p.), through which the water enters into the inter- filamental spaces. The two lamellae of each demibranch are, in turn, united by the interlamellar junctions {int. Im. j.),
. Bulletin of the United States Fish Commission. Fisheries -- United States; Fish-culture -- United States. EXPERIMENTAL STUDY OF THE OYSTEB GILL plicae being visible to the naked eye. The neighboring filaments are connected by an interfilameutal junction () formed by a band of connective tissue running round the inner surface of the plicae. In every groove between the two adjacent filaments there is a water pore (p.), through which the water enters into the inter- filamental spaces. The two lamellae of each demibranch are, in turn, united by the interlamellar junctions {int. Im. j.), having a form of septa and subdividing the. -/mc. -to. --A â l/ni J/ -Mv: A/.' Fig. 1.âCross section of the gill lamellae of the oyster. Semidiagramatic. U. p.âblood vessel; ^.âfilament; /r. câfrontal cilia; I. câlateral cilia; int. hn. j,âinter lamellar Junction; int. ft. j.âinter fUamentar junction; sk. 6.âskeletal bar; p.âwater pores; »(.âwater tubes. (SUghtly modified from Kellog) epibranchial chambers into canal-like compartments or "water tubes" {w. t.), vel*y narrow at their distal ends but reaching several millimeters in diameter in the proxi- mal portion of the gill. In an adult oyster there are about 30 tubes in each demi- branch, or about 120 tubes altogether. Each filament of the gill has one blood vessel (bl. v.), lined by a thin layer of connective tissue, and has two skeletal bars (sic. h.). The surface of the filament is covered with a ciliated epithelium forming 93280â28 2. 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 United States Fish Commission. Washington, The Commission, Govt. Print. Off
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