rectusn.

Brit.

/ˈrɛktəs/, U.S.

/ˈrɛktəs/

Inflections: Plural recti Brit.

/ˈrɛktʌɪ/, U.S.

/ˈrɛkˌtaɪ/.

Origin: A borrowing from Latin. Etymon: Latin rectus.

Etymology: In sense 1 < post-classical Latin rectus rectus muscle (1552 or earlier), use as noun (short for musculus rectus : see below) of masculine of classical Latin rectus straight, right (see rect adj.). In sense 2 apparently directly < classical Latin rectus straight, right; compare rectus et inversus adj., and earlier recte and retro adv., per recte et retro adj.With rectus muscle at Compounds compare post-classical Latin musculus rectus (1552 or earlier).

1. In humans and other vertebrates: any of various straight muscles (typically rectangular in shape and located parallel or perpendicular to the long axis of the body), esp. of the abdominal wall, thigh, eye, and neck. Frequently with scientific Latin or English distinguishing word or words, indicating the location of the muscle.See also rectus abdominis n., rectus femoris n.

ΘΚΠ

the world > life > the body > structural parts > muscle > types of muscles > [noun]

sphincter1578

raiser1588

in-muscle?1609

oblique1612

abducens1615

abductor1615

adductor1615

antagonist1615

bender1615

depressor1615

extender1615

flexor1615

levator1615

quadratus1615

rectus1615

retractor1615

sphincter-muscle1615

accelerator1638

bicepsa1641

elevator1646

adducent1649

lifter1649

rotator1657

flector1666

contractor1682

dilater1683

orbicularis palpebrarum1694

transverse muscle1696

tensor muscle1704

biventer1706

extensor1713

attollent1728

constrictor1741

dilator1741

risibles1785

orbicularis oculi1797

obliquus1799

erector1828

extensor-muscle1830

compressor1836

trans-muscle1836

antagonizer1844

motor1846

evertor1848

inflector1851

protractor1853

prime mover1860

orbicular1872

transversalis1872

invertor1875

skeletal muscle1877

dilatator1878

occlusor muscle1878

sphincter1879

pilomotor1892

agonist1896

1615 H. Crooke Μικροκοσμογραϕια 808 The fourth extender of the leg called Rectus or the Right muscle.

1634 T. Johnson tr. A. Paré Chirurg. Wks. vi. xxxvii. 232 The third, called the Rectus, or right (because it descends above the Crureus, alongst the right fore-line of the thigh, betweene the two Vaste muscles).

1649 J. Bulwer Pathomyotomia 157 But we will conclude with the generall opinion of the best Anatomists, that these motions of the Mind are signified by the operation of that Muscle of the Eye-lid, which is commonly called Rectus, or the straight Muscle.

1713 W. Cheselden Anat. Humane Body ii. iii. 42 Uniting with that of the following Muscles at the outside of the Rectus.

1756 G. Douglas tr. J. B. Winslow Anat. Expos. Struct. Human Body (ed. 4) I. 168 The lower extremity of this Muscle..ends in a thin Tendon,..and there it touches the Tendon of the other Rectus.

1785 Anat. Dialogues (ed. 2) 88 The rectus lateralis arises from the anterior part of the transverse process of the atlas; and is inserted partly into the occipitis.

1828 R. Knox tr. H. Cloquet Syst. Human Anat. 277 It arises posteriorly from a tendon which is common to it with the internal and external recti, and proceeds horizontally towards the ball of the eye.

1879 Proc. Royal Soc. 1878–9 28 403 The very thin recti of the Monotremes..pass forwards, dorsad of the marsupial bones.

1930 H. G. Newth Marshall & Hurst's Junior Course Pract. Zool. (ed. 11) xii. 278 Press the eye-muscles aside to see the optic nerve between the recti and obliqui.

1982 Jrnl. Biomech. 15 124 (caption) Schematic drawing of the method of sampling from the rectus.

1997 G. S. Helfman et al. Diversity of Fishes iv. 38/1 In billfishes..the superior rectus has been converted into a heat-producing muscle that keeps the eye warm during incursions into deep, cold waters.

2. Music. The original form of a composition or theme, as opposed to its inverted or reversed version. Cf. rectus et inversus adj.

ΘΚΠ

society > leisure > the arts > music > piece of music > type of piece > piece in specific form > [noun] > fugue > in basic order or not reversed

rectus1931

1931 D. F. Tovey Compan. to ‘Art of Fugue’ 31 The next two fugues are tours de force, being compositions that can be inverted note for note from beginning to end. For purposes of comparison Bach writes his Inversus under his Rectus.

1962 Listener 27 Dec. 1109/2 The rectus versions of the ‘mirror’ fugues XII and XIII.

1999 Amer. Rec. Guide (Nexis) 1 May 66 The inclusion of..the pair of fugues for two keyboards (rectus and inversus) with the second part played here by Zuzana Nemeckova.

Compounds

General attributive in sense 1, esp. in rectus muscle.

ΚΠ

1713 W. Cheselden Anat. Humane Body ii. iii. 43 The joyning of these two Tendons on the outside of the Rectus Muscle, is call'd Linea semilunaris.

1801 Med. & Physical Jrnl. 5 326 Dr. Hosack..maintains, that the recti muscles of the eye contribute much in lengthening or shortening the axis of vision.

1899 T. C. Allbutt et al. Syst. Med. VII. 62 Excessive arm-jerks and knee-jerks,..rectus clonus and ankle-clonus.

1950 Arch. Ophthalmol. 44 872 (note) A preoperative diagnosis of lateral rectus paralysis had been made.

1997 Accountancy Apr. 56/2 There may be a major dehiscence (gaping) of the abdominal muscles, most commonly in the midline of the abdomen (rectus hernia) or through the site of a previous scar.

2001 J. Le Fanu They don't know what's Wrong ix. 148 On retracting the rectus muscle a hernia sac was encountered large enough to admit a finger.

This entry has been updated (OED Third Edition, June 2009; most recently modified version published online March 2022).

单词	rectus
释义	rectusn. Brit. /ˈrɛktəs/, U.S. /ˈrɛktəs/ Inflections: Plural recti Brit. /ˈrɛktʌɪ/, U.S. /ˈrɛkˌtaɪ/. Origin: A borrowing from Latin. Etymon: Latin rectus. Etymology: In sense 1 < post-classical Latin rectus rectus muscle (1552 or earlier), use as noun (short for musculus rectus : see below) of masculine of classical Latin rectus straight, right (see rect adj.). In sense 2 apparently directly < classical Latin rectus straight, right; compare rectus et inversus adj., and earlier recte and retro adv., per recte et retro adj.With rectus muscle at Compounds compare post-classical Latin musculus rectus (1552 or earlier). 1. In humans and other vertebrates: any of various straight muscles (typically rectangular in shape and located parallel or perpendicular to the long axis of the body), esp. of the abdominal wall, thigh, eye, and neck. Frequently with scientific Latin or English distinguishing word or words, indicating the location of the muscle.See also rectus abdominis n., rectus femoris n. ΘΚΠ the world > life > the body > structural parts > muscle > types of muscles > [noun] sphincter1578 raiser1588 in-muscle?1609 oblique1612 abducens1615 abductor1615 adductor1615 antagonist1615 bender1615 depressor1615 extender1615 flexor1615 levator1615 quadratus1615 rectus1615 retractor1615 sphincter-muscle1615 accelerator1638 bicepsa1641 elevator1646 adducent1649 lifter1649 rotator1657 flector1666 contractor1682 dilater1683 orbicularis palpebrarum1694 transverse muscle1696 tensor muscle1704 biventer1706 extensor1713 attollent1728 constrictor1741 dilator1741 risibles1785 orbicularis oculi1797 obliquus1799 erector1828 extensor-muscle1830 compressor1836 trans-muscle1836 antagonizer1844 motor1846 evertor1848 inflector1851 protractor1853 prime mover1860 orbicular1872 transversalis1872 invertor1875 skeletal muscle1877 dilatator1878 occlusor muscle1878 sphincter1879 pilomotor1892 agonist1896 1615 H. Crooke Μικροκοσμογραϕια 808 The fourth extender of the leg called Rectus or the Right muscle. 1634 T. Johnson tr. A. Paré Chirurg. Wks. vi. xxxvii. 232 The third, called the Rectus, or right (because it descends above the Crureus, alongst the right fore-line of the thigh, betweene the two Vaste muscles). 1649 J. Bulwer Pathomyotomia 157 But we will conclude with the generall opinion of the best Anatomists, that these motions of the Mind are signified by the operation of that Muscle of the Eye-lid, which is commonly called Rectus, or the straight Muscle. 1713 W. Cheselden Anat. Humane Body ii. iii. 42 Uniting with that of the following Muscles at the outside of the Rectus. 1756 G. Douglas tr. J. B. Winslow Anat. Expos. Struct. Human Body (ed. 4) I. 168 The lower extremity of this Muscle..ends in a thin Tendon,..and there it touches the Tendon of the other Rectus. 1785 Anat. Dialogues (ed. 2) 88 The rectus lateralis arises from the anterior part of the transverse process of the atlas; and is inserted partly into the occipitis. 1828 R. Knox tr. H. Cloquet Syst. Human Anat. 277 It arises posteriorly from a tendon which is common to it with the internal and external recti, and proceeds horizontally towards the ball of the eye. 1879 Proc. Royal Soc. 1878–9 28 403 The very thin recti of the Monotremes..pass forwards, dorsad of the marsupial bones. 1930 H. G. Newth Marshall & Hurst's Junior Course Pract. Zool. (ed. 11) xii. 278 Press the eye-muscles aside to see the optic nerve between the recti and obliqui. 1982 Jrnl. Biomech. 15 124 (caption) Schematic drawing of the method of sampling from the rectus. 1997 G. S. Helfman et al. Diversity of Fishes iv. 38/1 In billfishes..the superior rectus has been converted into a heat-producing muscle that keeps the eye warm during incursions into deep, cold waters. 2. Music. The original form of a composition or theme, as opposed to its inverted or reversed version. Cf. rectus et inversus adj. ΘΚΠ society > leisure > the arts > music > piece of music > type of piece > piece in specific form > [noun] > fugue > in basic order or not reversed rectus1931 1931 D. F. Tovey Compan. to ‘Art of Fugue’ 31 The next two fugues are tours de force, being compositions that can be inverted note for note from beginning to end. For purposes of comparison Bach writes his Inversus under his Rectus. 1962 Listener 27 Dec. 1109/2 The rectus versions of the ‘mirror’ fugues XII and XIII. 1999 Amer. Rec. Guide (Nexis) 1 May 66 The inclusion of..the pair of fugues for two keyboards (rectus and inversus) with the second part played here by Zuzana Nemeckova. Compounds General attributive in sense 1, esp. in rectus muscle. ΚΠ 1713 W. Cheselden Anat. Humane Body ii. iii. 43 The joyning of these two Tendons on the outside of the Rectus Muscle, is call'd Linea semilunaris. 1801 Med. & Physical Jrnl. 5 326 Dr. Hosack..maintains, that the recti muscles of the eye contribute much in lengthening or shortening the axis of vision. 1899 T. C. Allbutt et al. Syst. Med. VII. 62 Excessive arm-jerks and knee-jerks,..rectus clonus and ankle-clonus. 1950 Arch. Ophthalmol. 44 872 (note) A preoperative diagnosis of lateral rectus paralysis had been made. 1997 Accountancy Apr. 56/2 There may be a major dehiscence (gaping) of the abdominal muscles, most commonly in the midline of the abdomen (rectus hernia) or through the site of a previous scar. 2001 J. Le Fanu They don't know what's Wrong ix. 148 On retracting the rectus muscle a hernia sac was encountered large enough to admit a finger. This entry has been updated (OED Third Edition, June 2009; most recently modified version published online March 2022). < n.1615
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