ramus

(redirected from ascending ramus)
Also found in: Dictionary, Thesaurus, Encyclopedia.

ramus

 [ra´mus] (L.)
ramus commu´nicans (pl. ra´mi communican´tes), a branch connecting two nerves or two arteries.
ramus of mandible a quadrilateral process projecting upwards from the posterior part of either side of the mandible.

ra·mus

, pl.

ra·mi

(rā'mŭs, rā'mī), [TA]
1. Synonym(s): branch
2. One of the primary divisions of a nerve or blood vessel. Arterial and nerve branches are also given under the major nerve or artery.
3. A part of an irregularly shaped bone (less slender than a "process") that forms an angle with the main body (for example, ramus of mandible).
4. One of the primary divisions of a cerebral sulcus.
[L.]

ramus

/ra·mus/ (ra´mus) pl. ra´mi   [L.] a branch, as of a nerve, vein, or artery.
ramus articula´ris  a branch of a mixed (afferent or efferent) peripheral nerve supplying a joint and its associated structures.
ramus autono´micus  any of the branches of the parasympathetic or sympathetic nerves of the autonomic nervous system.
ramus commu´nicans  a branch connecting two nerves or two arteries.
ramus cuta´neus  a branch of a mixed (afferent or efferent) peripheral nerve innervating a region of the skin.

ramus

(rā′məs)
n. pl. ra·mi (-mī′)
1. A branch, as of a nerve or blood vessel, or a projecting part, as of a rotifer or crustacean.
2. 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.

ramus

[rā′məs] pl. rami
Etymology: L, branch
a small branchlike structure extending from a larger one or dividing into two or more parts, such as a branch of a nerve or artery or one of the rami of the blood vessel or nerve. ramification, n., ramify, v.

ra·mus

, pl. rami (rā'mŭs, -mī)
1. [TA]
Synonym(s): branch.
2. One of the primary divisions of a nerve or blood vessel.
See also: artery, nerve
3. A part of an irregularly shaped bone (less slender than a "process") that forms an angle with the main body (e.g., ramus of mandible).
4. One of the primary divisions of a cerebral sulcus.
[L.]

ramus

A branch or subdivision arising from the division (bifurcation) of a blood or lymphatic vessel or a nerve.

ramus

a branch.

ramus

primary division of a nerve

ra·mus

, pl. rami (rā'mŭs, -mī)
1. Synonym(s): branch.
2. A primary division of a nerve or blood vessel.
3. A part of an irregularly shaped bone that forms an angle with the main body.
4. A primary division of a cerebral sulcus.
[L.]

ramus (rā´məs),

n 1. a branch of an artery, nerve, or vein. In the
Basle Nomina Anatomica terminology, the term ramus is given to a primary division of a nerve or blood vessel.
n 2. any constant branch of a fissure, or sulcus, of the brain.
ramus, ascending
n the posterior, vertical portion of the mandible, which extends from the corpus to the condyle, and makes a joint at the temple. There are right and left ascending rami.
ramus graft,
ramus, mandibular,
n the upturned, angled bony process of the mandible that extends upward and backward from the horseshoe-shaped body and terminates in two processes: the articular condyloid process and the coronoid process.

ramus

pl. rami [L.] a branch, as of a nerve, vein or artery.

ramus communicans
pl. rami communicantes; a branch connecting two nerves or two arteries.
mandibular ramus
the vertical extension of each half of the mandible that ends at the coronoid process.
References in periodicals archive ?
For each QTL, traits were cross-classified as being significantly affected (1) or not (0) and as representing either the alveolar (1) or ascending ramus (0) region of the mandible, as specified in Table 1.
Of the 26 QTLs affecting more than two traits, seven (27%) are significantly associated with the general contrast of alveolar versus ascending ramus traits.
Furthermore, three QTLs (QTMAN2-2, QTMAN41, and QTMAN8-1) nearly exclusively affect the ascending ramus, although tests of association failed to reach significance.
Patient was operated under local anesthesia, extended third molar incision extending along the buccal sulcus--35,36,37,38 regions (Figure 3) posteriorly beyond the external oblique ridge & ascending ramus.
15, 21 This may be due to low correlation between the maxillofacial skeletal development and maturation of third molars resulting in reduced arch length between second molars and ascending ramus.
Where the dentist places the thumb intra-orally at the deepest concavity of the anterior ascending ramus and the index finger at the same height extra-orally on the posterior aspect of the ramus.
The gonial angle is formed by the line tangent to the lower border of the mandible and the line tangent to the distal border of the ascending ramus and condyle.

Full browser ?