accessorius


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ac·ces·so·ry

(ak-ses'ō-rē), Avoid the mispronunciation uh-ses'ō-rē. Do not confuse this word with accessary.
anatomy denoting structures (muscles, arteries, nerves, glands, and others) that are auxiliary (normally present) or supernumerary (anomalous) to another more typical or larger structure of the same type. Most often, accessory structures are duplication variations.
Synonym(s): accessorius
[L. accessorius, fr. ac-cedo, pp. -cessus, to move toward]

accessorius

(ak″sĕ-sō′rē-ŭs) (rē-ī″) plural.accessorii [L., supplementary]
A muscle, gland, or nerve that reinforces the action of another.
References in periodicals archive ?
Only 15% cadavers showed the presence of psoas accessorius unilaterally on the left side.
Variations of the infrahyoid muscles, including the cleidohyoideus accessorius, are important to consider because of their relevance in diagnostic studies and as surgical landmarks.
Chronic ankle pain associated with the peroneus accessorius.