rudiment


Also found in: Dictionary, Thesaurus, Legal, Encyclopedia, Wikipedia.

rudiment

 [roo´dĭ-ment]
1. an organ or part having little or no function but which has functioned at an earlier stage in the same individual or in his ancestors.

ru·di·ment

(rū'di-ment),
1. An organ or structure that is incompletely developed.
2. The first indication of a structure in the course of ontogeny.
Synonym(s): rudimentum
[L. rudimentum, a beginning, fr. rudis, unformed]

rudiment

/ru·di·ment/ (roo´dĭ-ment)
1. a structure that has remained undeveloped, or one with little or no function at present but which was functionally developed earlier.

rudiment

(ro͞o′də-mənt)
n.
Biology An imperfectly or incompletely developed organ or part.

ru′di·men′tal (-mĕn′tl) adj.

rudiment

[ro̅o̅′dimənt]
Etymology: L, rudimentum, beginning
an organ or tissue that is incompletely developed or nonfunctional. rudimentary, adj.

ru·di·ment

(rū'di-mĕnt)
1. An organ or structure that is incompletely developed.
2. The first indication of a structure in the course of ontogeny.
Synonym(s): rudimentum.
[L. rudimentum, a beginning, fr. rudis, unformed]

ru·di·ment

(rū'di-mĕnt)
Organ or structure that is incompletely developed.
[L. rudimentum, a beginning, fr. rudis, unformed]

rudiment

1. primordium.
2. an organ or part that has failed to realize its potential function.
References in periodicals archive ?
Antennae with 13-25 segments, elytron-and-wing- rudiments directed downward, slightly back, smooth to weak rugose (Fig.
Measurements were for postoral rod length (from the tip of the rod to its connection with the transverse and body rods), midline body length, stomach length, length of ectodermal invagination (at early stages), and diameter of the echinus rudiment (at later stages) (Strathmann et al.
He reported instances of situs inversus of from 3% to 16% and instances of no rudiment of around 5% in some of his cultures.
We investigated skeletogenesis in the late larvae and in the adult rudiment on a cellular basis by immunostaining the skeletogenic cells in whole-mount intact larva, paying particular attention to tissues associated with spicules and examining the process of skeletogenesis in the later development of sea urchin larvae.
The anterior rudiment occupies the entire length of the dorsal mesentery and extends farther along the free edge of the lateral mesentery (Fig.
To improve antiserum penetration, and thus the staining of the rudiment in older larvae, a further permeabilization step was carried out.
The undifferentiated tissue mass that develops into a penis in males is left as an arrested rudiment in females.
Bellman presents some high points in the theory of elliptic functions for upper senior or first-year graduate students who are familiar with the rudiments of the theory of functions of a complex variable and with the usual manipulations of series and integrals that analysts use.
Magiciens sans frontieres s'est deplacee de pays en pays pour presenter des spectacles d'illusions gratuits mais aussi pour implanter des ecoles de magie oE de jeunes candidats apprennent les rudiments de l'art universel de la prestidigitation.
Rudiments of Flight is elegiac and celebratory, dauntless in its exploration of both the "soul's geometry" and the metaphysics of everyday minutiae.
The Muzangs, who are going around the country to promote the sport and teach the kids the rudiments of the game, are being supported by SM Supermalls and outfitted by Accel Philippines.