parasternaladj.

Brit.

/ˌparəˈstəːnl/, U.S.

/ˌpɛrəˈstərn(ə)l/

Origin: Formed within English, by derivation. Etymons: para- prefix¹ 1, sternal adj.

Etymology: < para- prefix¹ 1 + sternal adj.

Anatomy and Zoology.

Located beside the sternum; spec. located in the parasternal region (see Compounds).

ΚΠ

1870 S. J. Gee Auscult. & Percuss. ii. § i. 13 Parasternal (i.e. midway between the side-sternal and nipple lines).

1925 Jrnl. Amer. Med. Assoc. 26 Sept. 948/1 In this case and in two others the opening was parasternal (foramen of Morgagni).

1947 Amer. Midland Naturalist 38 731 The sternum and xiphisternum arise by fusion of the anterior of the parasternal bars.

1987 M. S. Laverack & J. Dando Lect. Notes Invertebr. Zool. (ed. 3) xxiii. 123/1 The wings..are not limbs in the metameric series but are separately developed, probably from paratergal or parasternal outgrowths.

1991 Brit. Med. Jrnl. 16 Mar. 646/1 The patient has a visible parasternal heave of right ventricular hypertrophy.

2000 Jrnl. Chemotherapy 12 435 Other intensive adjuvant treatment strategies are needed to reduce distant metastases for high-risk breast cancer patients having both axillary and parasternal nodes positive.

Compounds

parasternal line n. a vertical line drawn on the surface of the chest midway between lateral border of the sternum and the midclavicular line (or from a point on the clavicle one-third of its length from its medial end).

ΘΚΠ

the world > life > the body > positions or directions in body > [noun] > axis of body > specific

mesion1803

parasternal line1870

transverse axis1878

meson1881

1870 S. Gee Auscultation & Percussion I. ii. 39 In enlargement of the right ventricle, the impulse is rather increased in extent, to the right of the parasternal line.

1899 T. C. Allbutt et al. Syst. Med. VI. 16 The cardiac dulness is increased to the right side of the sternum, and may even extend as far as the parasternal line.

1913 Cunningham's Text-bk. Anat. (ed. 4) 1397 The para-sternal line, drawn midway between the lateral sternal and mid-clavicular, crosses the costal margin opposite the tip of the eighth costal cartilage.

1985 Ann. Emergency Med. 14 223 One pacing wire was inserted immediately to the left of the sternum along the parasternal line.

parasternal region n. the region beside the sternum, spec. between its lateral border and the parasternal line.

ΚΠ

1890 Cent. Dict. at Parasternal Parasternal region, the region in the front of the chest between the border of the sternum and the parasternal line.

1997 E. Braunwald Heart Dis. (ed. 5) II. 1049/2 The apical impulse is diffuse and hyperdynamic and is displaced laterally and inferiorly; there may be systolic retraction over the parasternal region.

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

单词	parasternal
释义	parasternaladj. Brit. /ˌparəˈstəːnl/, U.S. /ˌpɛrəˈstərn(ə)l/ Origin: Formed within English, by derivation. Etymons: para- prefix¹ 1, sternal adj. Etymology: < para- prefix¹ 1 + sternal adj. Anatomy and Zoology. Located beside the sternum; spec. located in the parasternal region (see Compounds). ΚΠ 1870 S. J. Gee Auscult. & Percuss. ii. § i. 13 Parasternal (i.e. midway between the side-sternal and nipple lines). 1925 Jrnl. Amer. Med. Assoc. 26 Sept. 948/1 In this case and in two others the opening was parasternal (foramen of Morgagni). 1947 Amer. Midland Naturalist 38 731 The sternum and xiphisternum arise by fusion of the anterior of the parasternal bars. 1987 M. S. Laverack & J. Dando Lect. Notes Invertebr. Zool. (ed. 3) xxiii. 123/1 The wings..are not limbs in the metameric series but are separately developed, probably from paratergal or parasternal outgrowths. 1991 Brit. Med. Jrnl. 16 Mar. 646/1 The patient has a visible parasternal heave of right ventricular hypertrophy. 2000 Jrnl. Chemotherapy 12 435 Other intensive adjuvant treatment strategies are needed to reduce distant metastases for high-risk breast cancer patients having both axillary and parasternal nodes positive. Compounds parasternal line n. a vertical line drawn on the surface of the chest midway between lateral border of the sternum and the midclavicular line (or from a point on the clavicle one-third of its length from its medial end). ΘΚΠ the world > life > the body > positions or directions in body > [noun] > axis of body > specific mesion1803 parasternal line1870 transverse axis1878 meson1881 1870 S. Gee Auscultation & Percussion I. ii. 39 In enlargement of the right ventricle, the impulse is rather increased in extent, to the right of the parasternal line. 1899 T. C. Allbutt et al. Syst. Med. VI. 16 The cardiac dulness is increased to the right side of the sternum, and may even extend as far as the parasternal line. 1913 Cunningham's Text-bk. Anat. (ed. 4) 1397 The para-sternal line, drawn midway between the lateral sternal and mid-clavicular, crosses the costal margin opposite the tip of the eighth costal cartilage. 1985 Ann. Emergency Med. 14 223 One pacing wire was inserted immediately to the left of the sternum along the parasternal line. parasternal region n. the region beside the sternum, spec. between its lateral border and the parasternal line. ΚΠ 1890 Cent. Dict. at Parasternal Parasternal region, the region in the front of the chest between the border of the sternum and the parasternal line. 1997 E. Braunwald Heart Dis. (ed. 5) II. 1049/2 The apical impulse is diffuse and hyperdynamic and is displaced laterally and inferiorly; there may be systolic retraction over the parasternal region. This entry has been updated (OED Third Edition, June 2005; most recently modified version published online March 2022). < adj.1870
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