deferent


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Related to deferent: epicycle

deferent

(def -ĕ-rĕnt) See Ptolemaic system.

Deferent

 

an auxiliary circle in the Ptolemaic geocentric system of the world, introduced to explain the complex motions of planets. It was assumed that the center of the epicycle—another auxiliary circle—moves around the circumference of the deferent, at whose center lies the earth; the planet itself moves along the circumference of an epicycle.

deferent

[′def·ə·rənt]
(astronomy)
An imaginary circle around the earth, postulated by Ptolemy, in whose circumference a celestial body or its epicycle is supposed to move.
References in periodicals archive ?
The biopsy forceps were introduced through the working channel of the endoscope to grasp the deferent duct near the caudal division of the left kidney.
But, it is expected that allelopathy will be used under field conditions or to develop a compound extracted from allelopathic plants [6], Researchers should follow the m;i instream activities, such as ecological studies and chemical studies in deferent stages of plant growth.
L'absence de canaux deferents et de vesicules seminales est une cause tres rare d'infertilite masculine.
Note the bundles of spermatids (sd) inside the mature cysts within the follicles; sz = spermatozoa in the lumen of deferent duct.
Although the use of the title before the question could communicate the speaker's deferent intention, it can also be used with a salient purpose to attract hearers' attention to the incoming question.
His approach is slow; suddenly he's humble, deferent.
The government will deal with this category of residents effectively as Saudis to enable them obtaining deferent public services as education and health, according to the cabinet's decision.
Gray and Skandalakis thought that, since in most cases, the each testis has his own deferent duct, the crossing over occurred during testicular descent, each testis arising from the ipsilateral genital ridge.
The list included diverse representation to several segments of Egyptian society from deferent areas such as representatives of civil society groups, professional and labour syndicates, academics, legal experts, athletes, Sinai and Matruh tribal elders, and Sufi order leaders," said Ali.
Aziz Ahmad Jan, the chief of French Medical Institute of Children told reporters that under the agreement doctors would be sent for the specialisation trainings in nine deferent fields, including pathology, cardiology, anesthesia and radiology in March next year.
The coming of this Turkish Company will attract other Turkish companies and other deferent companies from East Asia, the most generous and helpful partners for Third World and African countries.
In a major half-year study, the NAIIC called the disaster a preventable one, caused ultimately by the collusion of a lackluster government tied to an opaque bureaucracy, deferent to business interests, within a general social and cultural climate that failed to call any of those parties into full account.