motoriumn.

Brit.

/məʊˈtɔːrɪəm/, U.S.

/moʊˈtɔriəm/

Origin: A borrowing from Latin. Etymons: Latin motorium, motorius.

Etymology: < scientific Latin motorium, use as noun of neuter of post-classical Latin motorius (see motory adj.), in motorium commune (itself after sensorium commune ; compare sensorium n.):1885 J. Ross Handbk. Dis. Nerv. Syst. 73 The central ends of the individual sensory mechanisms are unified by a collective centre—the sensorium commune—which is the general centre of nervous connections on the afferent side. It may also be supposed that the individual motor centres are unified by a general centre of nervous connections which may be regarded as a motorium commune.

1. Psychology and Medicine. Originally: the motor areas of the brain (now rare); a hypothetical centre coordinating these (disused). Later also: the motor apparatus of the body; motor functioning or performance. Cf. sensorium n.

ΘΚΠ

the world > life > the body > nervous system > cerebrospinal axis > brain > parts of brain > [noun] > as (supposed) seat of faculty > seats of specific faculties

sensorium1613

sensitory1649

sensory1653

sensoriolum1715

respiratory centre1841

Broca1875

writing centre1878

speech-centre1881

heat-centre1884

speech area1885

pleasure centre1892

language area1898

motorium1900

isocortex1934

visceral brain1949

satiety centre1951

limbic system1952

reward cell1956

1900 W. A. N. Dorland Amer. Illustr. Med. Dict. 398/1 Motorium, (1) a motor center; especially the common center of motor influences; (2) the motor apparatus of the body.

1914 Brain 37 226 Rhein quotes Liepmann's view that tonic perseveration is due to disturbance of the motorium itself.

1924 R. M. Ogden tr. K. Koffka Growth of Mind 80 The optical sensorium and motorium can not be regarded as two independent pieces of apparatus, since for many types of performance they constitute a unitary organ.

1959 S. Koch Psychol. II. 76 In dealing with transactions with the physical world (walking, performing a motor task, driving a car, etc.), the motorium may be considered to be the muscular apparatus of the organism.

1987 Acta Psychiatr. Scand. 75 287 They were evaluated at both points on a multidimensional affect rating scale, psychopathology rating scales, and tests of attention and motorium.

1999 European Jrnl. Drug Metabolism & Pharmacokinetics 24 97 Elevated metabolite concentrations were found especially in the motorium and the medulla oblongata.

2. Zoology. In some ciliate protozoans: an area of cytoplasm containing a system of fibrils connected with the cirri or myonemes, thought to be a centre of neuromotor control. Now chiefly historical.

ΘΚΠ

the world > animals > invertebrates > protozoa > class Infusoria > subclass Ciliata > [noun] > parts of member of > structure forming nerve-centre

motorium1914

1914 R. G. Sharp in Univ. Calif. Publ. Zool. 13 83 We now come to the description of what is believed to be the most interesting structure in the anatomy of this organism [sc. the protozoan Diplodinium ecaudatum]... The possibility of this structure functioning..as a neuromotor apparatus is suggested and..the designation neuromotor apparatus will be used, and its constituent parts will be described as a motorium or motor mass.

1926 G. N. Calkins Biol. Protozoa ii. 104 Certain special types of cytoplasmic kinetic elements such as myonemes, motorium, and conductile fibers, are characteristic of the ciliates.

1940 L. H. Hyman Invertebrates I. iii. 65 All these fibrils may center in a small body, the motorium.

1966 New Scientist 3 Nov. 242/1 Another interesting feature of Euplotes is that, as Taylor first noticed in 1920, some of the cirri are connected by a system of minute fibrils to a structure near the front of the animal. This he called the motorium.

1978 Proc. Zool. Soc. (Calcutta) 31 48 At the base of the peripharyngeal neuromotor system there occurs the motorium which is the sensory co-ordinator of the ciliate.

This entry has been updated (OED Third Edition, December 2002; most recently modified version published online March 2022).

单词	motorium
释义	motoriumn. Brit. /məʊˈtɔːrɪəm/, U.S. /moʊˈtɔriəm/ Origin: A borrowing from Latin. Etymons: Latin motorium, motorius. Etymology: < scientific Latin motorium, use as noun of neuter of post-classical Latin motorius (see motory adj.), in motorium commune (itself after sensorium commune ; compare sensorium n.):1885 J. Ross Handbk. Dis. Nerv. Syst. 73 The central ends of the individual sensory mechanisms are unified by a collective centre—the sensorium commune—which is the general centre of nervous connections on the afferent side. It may also be supposed that the individual motor centres are unified by a general centre of nervous connections which may be regarded as a motorium commune. 1. Psychology and Medicine. Originally: the motor areas of the brain (now rare); a hypothetical centre coordinating these (disused). Later also: the motor apparatus of the body; motor functioning or performance. Cf. sensorium n. ΘΚΠ the world > life > the body > nervous system > cerebrospinal axis > brain > parts of brain > [noun] > as (supposed) seat of faculty > seats of specific faculties sensorium1613 sensitory1649 sensory1653 sensoriolum1715 respiratory centre1841 Broca1875 writing centre1878 speech-centre1881 heat-centre1884 speech area1885 pleasure centre1892 language area1898 motorium1900 isocortex1934 visceral brain1949 satiety centre1951 limbic system1952 reward cell1956 1900 W. A. N. Dorland Amer. Illustr. Med. Dict. 398/1 Motorium, (1) a motor center; especially the common center of motor influences; (2) the motor apparatus of the body. 1914 Brain 37 226 Rhein quotes Liepmann's view that tonic perseveration is due to disturbance of the motorium itself. 1924 R. M. Ogden tr. K. Koffka Growth of Mind 80 The optical sensorium and motorium can not be regarded as two independent pieces of apparatus, since for many types of performance they constitute a unitary organ. 1959 S. Koch Psychol. II. 76 In dealing with transactions with the physical world (walking, performing a motor task, driving a car, etc.), the motorium may be considered to be the muscular apparatus of the organism. 1987 Acta Psychiatr. Scand. 75 287 They were evaluated at both points on a multidimensional affect rating scale, psychopathology rating scales, and tests of attention and motorium. 1999 European Jrnl. Drug Metabolism & Pharmacokinetics 24 97 Elevated metabolite concentrations were found especially in the motorium and the medulla oblongata. 2. Zoology. In some ciliate protozoans: an area of cytoplasm containing a system of fibrils connected with the cirri or myonemes, thought to be a centre of neuromotor control. Now chiefly historical. ΘΚΠ the world > animals > invertebrates > protozoa > class Infusoria > subclass Ciliata > [noun] > parts of member of > structure forming nerve-centre motorium1914 1914 R. G. Sharp in Univ. Calif. Publ. Zool. 13 83 We now come to the description of what is believed to be the most interesting structure in the anatomy of this organism [sc. the protozoan Diplodinium ecaudatum]... The possibility of this structure functioning..as a neuromotor apparatus is suggested and..the designation neuromotor apparatus will be used, and its constituent parts will be described as a motorium or motor mass. 1926 G. N. Calkins Biol. Protozoa ii. 104 Certain special types of cytoplasmic kinetic elements such as myonemes, motorium, and conductile fibers, are characteristic of the ciliates. 1940 L. H. Hyman Invertebrates I. iii. 65 All these fibrils may center in a small body, the motorium. 1966 New Scientist 3 Nov. 242/1 Another interesting feature of Euplotes is that, as Taylor first noticed in 1920, some of the cirri are connected by a system of minute fibrils to a structure near the front of the animal. This he called the motorium. 1978 Proc. Zool. Soc. (Calcutta) 31 48 At the base of the peripharyngeal neuromotor system there occurs the motorium which is the sensory co-ordinator of the ciliate. This entry has been updated (OED Third Edition, December 2002; most recently modified version published online March 2022). < n.1900
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