apical lip notches


apical lip notches
(NEMATA)
Indented lip margins at the junction of the lips.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • Foramen — A natural opening. Although a foramen is usually through bone, it can be an opening through other types of tissue, as with the foramen ovale. * * * An aperture or perforation through a bone or a membranous structure. SYN: trema (1). [L. an… …   Medical dictionary


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