- maculae pectorales
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a row of photophores on the breast in front of the pelvic fin in Myctophidae. Abbreviated as PO
Dictionary of ichthyology. 2009.
Dictionary of ichthyology. 2009.
part — A portion. SYN: pars [TA]. abdominal p. of aorta SYN: abdominal aorta. abdominal p. of esophagus [TA] the portion of the esophagus from where it passes through the diaphragm to the stomach. See … Medical dictionary