Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A branch, as of a plant, nerve, or blood vessel.
  • n. A bony process extending like a branch from a larger bone, especially the ascending part of the lower jaw that makes a joint at the temple.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A branching, as of nerves or blood vessels.
  • n. A bony projection, particularly of the jaw, but also in the groin area, both subject to the maturing process of symphysis.

from the GNU version of the Collaborative International Dictionary of English

  • n. A branch; a projecting part or prominent process; a ramification.

from The Century Dictionary and Cyclopedia

  • n. In biology, a branch or branching part, as of a plant, vein, artery, or forked bone.
  • n. See the adjectives.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the posterior part of the mandible that is more or less vertical

Etymologies

Latin rāmus, branch.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin rāmus ("branch"). (Wiktionary)

Examples

  • The ramus is a long arm element that fastens to the lower jaw.

    Engineering Hardware-Software

  • —In the interval between the adjacent transverse processes each lumbar artery gives off a posterior ramus which is continued backward between the transverse processes and is distributed to the muscles and skin of the back; it furnishes a spinal branch which enters the vertebral canal and is distributed in a manner similar to the spinal branches of the posterior rami of the intercostal arteries (page 601).

    VI. The Arteries. 5a. 2. The Abdominal Aorta

  • “The V-shaped subpubic angle, blocky pubic body, and broad ischio-pubic ramus suggest male.”

    Spider Bones

  • Unique skeletal identifiers: possible healed fractures of the right mandibular ramus, right clavicle, and right scapula.

    Spider Bones

  • An opaque line crossed the right mandibular ramus, near the junction of the vertical and horizontal parts of the jaw.

    Spider Bones

  • Insularum, quas innumeras lateque patentes spargit, clarissimam, lævo alveo Astabores dictus est, hoc est, ramus aquæ venientis è tenebris; dextero veto Astusapes, quod latentis significationem adjicit, nec ante, quam ubi rursum coit, Nilua dictus est.

    The Fardle of Facions, conteining the aunciente maners, customes and lawes, of the peoples enhabiting the two partes of the earth, called Affricke and Asie

  • If pelvises are present, compare: the male pelvic girdle will have wider ischio-pubic ramus, while the female will have a defined ventral crest, a curved subpubic concavity, & a wide sciatic notch.

    mordicai: crown me king!

  • Ut arbor fructificans Joseph, ut ramus crescens juxta fontem, rami incedent super murum.

    Commentary on Genesis - Volume 2

  • The dorsal ramus of each nerve supplies the muscle and skin of the back; the ventral ramus supplies the remainder of the body.

    The Human Brain

  • English words, reminds us of an old 'ignorant ramus' in the country, who was always eking out his meaning by three or four familiar Latin terms, which he almost invariably misapplied.

    The Knickerbocker, or New-York Monthly Magazine, February 1844 Volume 23, Number 2

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