pectusn.

Brit.

/ˈpɛktəs/, U.S.

/ˈpɛktəs/

Inflections: Plural pectora Brit.

/ˈpɛkt(ə)rə/, U.S.

/ˈpɛktərə/.

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

Etymology: < classical Latin pectus the breast, the chest, of unknown origin.

1. Anatomy and Medicine. The front of the thorax; the chest. In later use frequently attributive, esp. in relation to congenital deformities of the chest (see pectus carinatum n., pectus excavatum n.).

ΘΚΠ

the world > life > the body > external parts of body > trunk > front > [noun] > chest

heartOE

breastOE

maw?a1200

thoraxc1400

venter1668

pectus1684

breastie1786

1684 tr. S. Blankaart Physical Dict. 223 Pectus is the fore-most part of the Thorax reaching from the Neck-bone down to the Midriff.

1795 G. Wallis Compl. Family Physician (ed. 2) 635 If in the breast, it [sc. dropsy] is called hydrothorax, from udor, and thorax, pectus, the chest.

1890 G. M. Gould New Med. Dict. 331/1 Pectus, that part of the body between the neck and the abdomen.

1967 Jrnl. Pediatrics 70 507 Short neck and pectus.

1977 Ann. Thoracic Surg. 23 417 We analyzed the long-term results in 87 patients who had pectus deformities repaired at Fitzsimons Army Medical Center during the period 1953 to 1975.

1984 Thorax 39 160 (title) Purulent pericarditis with tamponade: a rare complication of pectus repair.

2. Entomology. The lower surface of the thorax or prothorax of an insect or a spider.

ΘΚΠ

the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [noun] > thorax > prothorax > lower part of

pectus1819

prosternum1826

presternum1828

1819 W. S. MacLeay Horæ Entomologicæ i. 66 The size of their tarsi and ungues, and their comparatively small pectus.

1834 H. McMurtrie tr. G. Cuvier Animal Kingdom (abridged ed.) 450 In the other Nemocera, the proboscis is..directed perpendicularly or curved on the pectus.

1879 Philos. Trans. (Royal Soc.) 168 551 Sides of pectus whitish, anal segments of venter brown.

1939 H. Osborn & D. J. Knull Meadow & Pasture Insects ix. 194 The pectus is mainly yellow.

1977 O. W. Richards & R. G. Davies Imms's Gen. Textbk. Entomol. (ed. 10) I. 44 When the pleuron as a whole is fused with the sternum the combined sclerite is known as the pectus.

†3. Ornithology. The rounded anterior of the underparts of a bird; the breast. Obsolete. rare.

ΚΠ

1857 E. J. Lewis Amer. Sportsman (new ed.) i. 36 [Technical terms used by ornithologists] Collum.—The neck. Pectus—The breast.

1890 E. Coues Handbk. Field & Gen. Ornithol. ii. iii. 140 Abdomen, like pectus, rounds up on either hand into sides.

This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022).

单词	pectus
释义	pectusn. Brit. /ˈpɛktəs/, U.S. /ˈpɛktəs/ Inflections: Plural pectora Brit. /ˈpɛkt(ə)rə/, U.S. /ˈpɛktərə/. Origin: A borrowing from Latin. Etymon: Latin pectus. Etymology: < classical Latin pectus the breast, the chest, of unknown origin. 1. Anatomy and Medicine. The front of the thorax; the chest. In later use frequently attributive, esp. in relation to congenital deformities of the chest (see pectus carinatum n., pectus excavatum n.). ΘΚΠ the world > life > the body > external parts of body > trunk > front > [noun] > chest heartOE breastOE maw?a1200 thoraxc1400 venter1668 pectus1684 breastie1786 1684 tr. S. Blankaart Physical Dict. 223 Pectus is the fore-most part of the Thorax reaching from the Neck-bone down to the Midriff. 1795 G. Wallis Compl. Family Physician (ed. 2) 635 If in the breast, it [sc. dropsy] is called hydrothorax, from udor, and thorax, pectus, the chest. 1890 G. M. Gould New Med. Dict. 331/1 Pectus, that part of the body between the neck and the abdomen. 1967 Jrnl. Pediatrics 70 507 Short neck and pectus. 1977 Ann. Thoracic Surg. 23 417 We analyzed the long-term results in 87 patients who had pectus deformities repaired at Fitzsimons Army Medical Center during the period 1953 to 1975. 1984 Thorax 39 160 (title) Purulent pericarditis with tamponade: a rare complication of pectus repair. 2. Entomology. The lower surface of the thorax or prothorax of an insect or a spider. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [noun] > thorax > prothorax > lower part of pectus1819 prosternum1826 presternum1828 1819 W. S. MacLeay Horæ Entomologicæ i. 66 The size of their tarsi and ungues, and their comparatively small pectus. 1834 H. McMurtrie tr. G. Cuvier Animal Kingdom (abridged ed.) 450 In the other Nemocera, the proboscis is..directed perpendicularly or curved on the pectus. 1879 Philos. Trans. (Royal Soc.) 168 551 Sides of pectus whitish, anal segments of venter brown. 1939 H. Osborn & D. J. Knull Meadow & Pasture Insects ix. 194 The pectus is mainly yellow. 1977 O. W. Richards & R. G. Davies Imms's Gen. Textbk. Entomol. (ed. 10) I. 44 When the pleuron as a whole is fused with the sternum the combined sclerite is known as the pectus. †3. Ornithology. The rounded anterior of the underparts of a bird; the breast. Obsolete. rare. ΚΠ 1857 E. J. Lewis Amer. Sportsman (new ed.) i. 36 [Technical terms used by ornithologists] Collum.—The neck. Pectus—The breast. 1890 E. Coues Handbk. Field & Gen. Ornithol. ii. iii. 140 Abdomen, like pectus, rounds up on either hand into sides. This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022). < n.1684
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