See Also: rami vestibulares arteriae labyrinthi(medicine)
ramus cochlearis arteriae labyrinthi(medicine)
rami mammarii mediales rami perforantis arteriae thoracicae internae(medicine)
rami glandulares arteriae facialis(medicine)
rami sternocleidomastoidei arteriae occipitalis(medicine)
rami ureterici arteriae renalis(medicine)
rami splenici arteriae splenicae(medicine)
rami subscapulares arteriae axillaris(medicine)
rami lienales arteriae lienalis(medicine)
rami occipitales arteriae occipitis(medicine)

essential (medicine) and rami vestibulares arteriae labyrinthi (medicine)


essential (medicine)


essential


1. Belonging to the essence, or that which makes an object, or class of objects, what it is. "Majestic as the voice sometimes became, there was forever in it an essential character of plaintiveness." (Hawthorne)

2. Hence, really existing; existent. "Is it true, that thou Art but a a name, And no essential thing?" (Webster (1623))

3. Important in the highest degree; indispensable to the attainment of an object; indispensably necessary. "Judgment's more essential to a General Than courage." (Denham) "How to live? that is the essential question for us." (H. Spencer)

4. Containing the essence or characteristic portion of a substance, as of a plant; highly rectified; pure; hence, unmixed; as, an essential oil. "Mine own essential horror."

5. Necessary; indispensable; said of those tones which constitute a chord, in distinction from ornamental or passing tones.

6. <medicine> Idiopathic; independent of Other diseases.

<biology> Essential character, a class of volatile oils, extracted from plants, fruits, or flowers, having each its characteristic odour, and hot burning taste. They are used in essences, perfumery, etc, and include many varieties of compounds; as lemon oil is a terpene, oil of bitter almonds an aldehyde, oil of wintergreen an ethereal salt, etc.; called also volatile oils in distinction from the fixed or nonvolatile.

Origin: Cf. F. Essentiel. See Essence.

Source: Websters Dictionary


rami vestibulares arteriae labyrinthi (medicine)


rami vestibulares arteriae labyrinthi
Vestibular branches of labyrinthine artery.