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a small triangular appendage or a modified scale at the upper or anterior base of a paired fin. Also called accessory scale, …
1) a small scale superimposed or interspersed with large ones.
2) axillary process.
1) a line.
2) the anterior-posterior axis of the embryo.
dan leno spindle (a steel spindle through a dan leno bobbin, q.v. Also called spindle).
pterygiophore (the cartilage or bone on the outer end of which sit the median fin rays or spines), sometimes the proximal …
the dermal bone in flatfishes of the family Psettodidae between the prefrontal and the frontal of the lower side.