Also found in: Dictionary, Thesaurus, Medical, Wikipedia.


Near the body or the median line of the body.
(control systems)
Located close to the base or pedestal and away from the end effector of a robot.
Of a sedimentary deposit, composed of coarse clastics and formed near the source.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



in anatomy, a term that indicates the location of an organ or a part of an organ that is closer to the center of the body or to the sagittal plane of the body’s surface. Proximal is opposed to distal. For example, in man the shoulder is the proximal section of the arm, while the hand is the distal section.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
The CSA and transvers diameters of patients at the tunnel inlet and the CSA, diameters, FR at the proximal carpal tunnel, VB and CSA, diameters, SR at the distal tunnel, LD1 and 2 were significantly larger than the control group (p<0.001).
Stable reduction of an unstable proximal femoral fracture entails providing medial and posterior cortical contact between the major proximal and distal fragment.
Por otra parte, los puntos de penetracion P4 y P5 de la parte proximal del tercio proximal; P5, P6 y P7 de la parte distal del tercio superior y todos los puntos de penetracion de la parte proximal del tercio medio del mFL, ademas de los puntos P3 del tercio medio proximal y P2 del tercio medio distal en el mFC no presentaron una cantidad suficiente de datos para analisis de diferencia estadistica.
One hundred and sixty-one consecutive patients who had sustained proximal humerus fractures were prospectively tracked in a database following operative fracture fixation with a locking plate.
In the review of Hersekli et al., (9) three cases having the diagnosis of peroneal nerve palsy due to synovial cyst of proximal tibiofibular joint were presented.
Hemangioma involving the proximal ulna is extremely rare; however, a radiologist should be aware and consider this entity in the differential diagnosis of a medullary based, expansile, osteolytic lesion with soap-bubble appearance affecting a long tubular bone, particularly on CT and MRI.
In addition to the static forces placed on the proximal femur, this region experiences increased stress secondary to the multiple muscular attachments in the region, which include the lateral hip abductors, medial hip adductors, the iliopsoas, and short external rotators.
Regardless of indication for colonoscopy, adenomas were more often detected in proximal segments compared with distal segments for all indications (Table 2) (Figure 2).
Plain radiography showed that the angle between the proximal growth plate and the distal articular surface of the proximal phalanx was 29[degrees] on the affected side compared with 5.5[degrees] on the contralateral noninjured side (Figure 3).
A partial avulsion can reduce pain and morbidity, and can be done by two different methods: the partial proximal avulsion, and the "trap door" avulsion.
The two groups were different in terms of aorto-iliac anatomy, as patients of group A had a proximal aortic neck which was affected by a greater presence of thrombus (thrombus thickness: 7.2[+ or -]1 mm vs.
All the patients had 12-lead ECG followed by coronary angiography (gold standard) for the detection of LAD occlusion proximal to D1.