ala laminaris
a lateral ridge on the lower part of the cleithrum, forming a site of attachment for some of the pectoral fin muscles

Dictionary of ichthyology. 2009.

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  • Nucleus — 1) In cell biology, the structure that houses the chromosomes. 2) In neuroanatomy, a group of nerve cells. * * * 1. In cytology, typically a rounded or oval mass of protoplasm within the cytoplasm of a plant or animal cell; it is surrounded by a… …   Medical dictionary

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