ommatidium
Definition:
One of the facets of the compound
eye.
written by: Tweedie, S., M. Ashburner, K. Falls, P. Leyland, P. McQuilton, S. Marygold, G. Millburn, D. Osumi-Sutherland, A. Schroeder, R. Seal, H. Zhang, and The FlyBase Consortium. 2009. FlyBase: enhancing Drosophila Gene Ontology annotations. Nucleic Acids Research 37:D555-D559.
Relationships / properties:
The ommatidium is part of the eye.
Aleiodes terminalis Cresson, 1869
ommatidium by Tweedie, S., M. Ashburner, K. Falls, P. Leyland, P. McQuilton, S. Marygold, G. Millburn, D. Osumi-Sutherland, A. Schroeder, R. Seal, H. Zhang, and The FlyBase Consortium. 2009. FlyBase: enhancing Drosophila Gene Ontology annotations. Nucleic Acids Research 37:D555-D559.
xref added about 15 years ago by Andy Deans
Reference:
None provided.
Cross reference: FBbt:00004510
alternative definition added over 14 years ago by Istvan Miko
Single sensory cell of a compound eye (see also facet).
Reference: Gibson , G. A. P., J. D. Read , and R. Fairchild. 1998. Chalcid wasps (Chalcidoidea): illustrated glossary of positional and morphological terms ..
Cross reference:
None provided.
comment added over 14 years ago by Matt Yoder
Although facet is considered to be equivalent to ommatidium in the fly_anatomy.obo (HAO uses it as cross ref: One of the facets of the compound eye.) facet is considered in many other references (e.g. Gibson et al. 1998, Gullan and Cranston 2005.....) to be equivalent to the lens on the surface of an ommatidium.
REVIEW!!!
Reference: Miko, I. 2009. -2019 Curator. Hymenoptera Anatomy Ontology.
Cross reference:
None provided.
alternative definition added about 15 years ago by Andy Deans
one of the component units of the compound eye
Reference: Snodgrass, R. E. 1935. Principles of insect morphology. McGraw-Hill Book Co., Inc., New York & London 667 pp.
Cross reference:
None provided.
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