sagittaladj.

/səˈdʒɪtəl/

Etymology: < modern Latin sagittālis, < Latin sagitta arrow: see -al suffix¹. Compare French sagittal.

1. Anatomy.

a. sagittal suture (†addition, †commissure): ‘the median antero-posterior suture between the two parietal bones on the vertex of the skull’ ( New Sydenham Soc. Lexicon 1891).

ΘΚΠ

the world > life > the body > structural parts > joint > joints > [noun] > joints of skull

commissure?a1425

lambdac1475

sagittal suture (addition, commissure)?1541

coronal suture1543

sagit?1550

garland-seam1576

commissary1577

agglutination1578

skull-seam1605

lambdoidal suture (commissure)1653

transverse suture1741

orbitar1782

pterion1878

?1541 R. Copland Guy de Chauliac's Questyonary Cyrurgyens ii. sig. Fij There commeth .ix. [muscles to the tongue] that brede of the addycyon called sagitall of the bone named Lapheoides.

1598 A. M. tr. J. Guillemeau Frenche Chirurg. 40 b/2 The sagittal suture, where she ioyneth her self with the Coronalle suture.

1653 T. Urquhart tr. F. Rabelais 1st Bk. Wks. xliv. 197 The sagittal commissure or dart-like seame which distinguisheth the right side of the head from the left.

1882 B. G. Wilder & S. H. Gage Anat. Technol. Domest. Cat 183 In Human Anatomy the sagittal suture is confined to the articulation of the two parietals with each other, the two frontals uniting so early that they are considered as a single bone.

b. Pertaining to the sagittal suture; pertaining to or lying in ‘the median longitudinal anteroposterior plane of the body, or to any plane parallel with this’ ( New Sydenham Soc. Lexicon 1891).

ΚΠ

1828 R. Knox tr. H. Cloquet Syst. Human Anat. 57 Four Edges, of which the upper or the parietal..joins that of the opposite bone with which it forms the sagittal suture [Fr. la suture sagittale].

1854 R. Owen Struct. Skeleton & Teeth in Orr's Circle Sci.: Org. Nature I. 250 The sagittal and occipital crests.

2. Pertaining to an arrow; resembling an arrow or an arrow-head in shape. rare.

ΘΚΠ

the world > space > shape > fact or condition of tapering > condition of tapering to a point > [adjective]

piked1269

pointedc1325

sharp1340

peakedc1350

pricked?a1425

sharp-pointed1530

acuatea1550

piquant1549

picked1552

corned?c1562

arrow-headed1567

acuminated1578

pointing1578

acute1598

exasperated1608

spitted1626

pointy1644

sagittal1656

pecked1662

piqued1689

spired1694

piky1741

spiky1743

spiry1777

apexed1813

beak-shaped1830

peaky1832

apiculated1839

cusped1888

sagittiform1895

cuspate1896

society > armed hostility > military equipment > weapon > missile > arrow > [adjective]

arrowy?1615

sagittal1656

sagittarya1682

1656 T. Blount Glossographia Sagittal..; Also belonging to an Arrow.

1772 T. Pennant Genera of Birds (1781) 16 Hoopoe... Tongue, short, sagittal.

1785 T. Pennant Arctic Zool. II. 207 Feathers of the thighs long, white, crossed with sagittal bars of yellow.

1885 R. F. Burton tr. Arabian Nights' Entertainm. I. xvii. 167 Sagittal shots from eyelids Sagittarius threw.

1887 W. J. Sollas in Encycl. Brit. XXII. 416/2 (Fig. 13) [Forms of sponge-spicules] h, sagittal triod.

3. Optics. Pertaining to or designating the plane that contains the chief ray from an off-axis point source and those rays that are brought to a point in the further (radial) line image formed by an astigmatic system (in a plane at right angles to the sagittal plane).

ΘΚΠ

the world > matter > physics > electromagnetic radiation > light > emission of light, radiation > [adjective] > off-axis

sagittal1902

1902 C. R. Mann & R. A. Millikan tr. P. Drude Theory of Optics iii. 50 All the rays emitted by P..cross the axis at the same point P₂. The beam made up of such rays is called a sagittal beam. It has a focal point at P₂.

1910 J. P. C. Southall Princ. & Methods Geom. Optics vii. 333 Following the usage of most modern writers, we shall call the incident and refracted rays lying in the planes π, π′, respectively, the Sagittal Rays. [Note] ‘Sagittal’ is a term borrowed from Anatomy... Some writers..prefer..the word ‘equatorial’ instead of sagittal.

1936 H. T. Flint Geom. Optics vii. 150 This line and P₂P₂¹ are the focal lines of the astigmatic reflected pencil,..the sagittal and tangential lines respectively.

1972 O. N. Stavroudis Optics of Rays xii. 266 These skew rays, called sagittal rays, also pass through opposite sides of both the circle on the exit pupil and the ellipse on the image plane... Any fan of sagittal rays from the fixed object point will converge to..the sagittal focus... The tangential focus and the sagittal focus are the astigmatic foci.

Derivatives

saˈgittally adv. Anatomy ‘in the direction of the sagittal plane’ ( Cassell's Suppl. 1902).

ΘΚΠ

the world > life > the body > positions or directions in body > [adverb] > specific

upwardsc1400

posteriorly1598

centrad1803

dextrad1803

distad1803

peripherad1803

proximad1803

sinistrad1803

atlantad1825

rostrad1831

mesially1849

ventrad1849

peripherally1852

posterolaterally1857

rostrally1863

distally1870

medianly1870

ventrally1870

postaxially1873

preaxially1873

posteroventrally1877

proximally1878

mesad1881

lateralwards1882

ventralwards1883

preaxiad1888

mesally1890

anteriad1891

haemad1891

postaxiad1892

lateralward1895

sagittally1895

ventral1899

posteriad1902

ipsilaterally1950

midsagittally1960

ventromedially1960

1895 I. K. Funk et al. Standard Dict. Eng. Lang. II.

1950 Jrnl. Compar. Neurol. 92 142 The right postcentral sulcus..its lower limb running almost sagitally.

1977 Lancet 29 Oct. 930/2 The pineals were removed, bisected sagitally, homogenised, and stored at −20°C.

This entry has not yet been fully updated (first published 1909; most recently modified version published online September 2021).

单词	sagittal
释义	sagittaladj. /səˈdʒɪtəl/ Etymology: < modern Latin sagittālis, < Latin sagitta arrow: see -al suffix¹. Compare French sagittal. 1. Anatomy. a. sagittal suture (†addition, †commissure): ‘the median antero-posterior suture between the two parietal bones on the vertex of the skull’ ( New Sydenham Soc. Lexicon 1891). ΘΚΠ the world > life > the body > structural parts > joint > joints > [noun] > joints of skull commissure?a1425 lambdac1475 sagittal suture (addition, commissure)?1541 coronal suture1543 sagit?1550 garland-seam1576 commissary1577 agglutination1578 skull-seam1605 lambdoidal suture (commissure)1653 transverse suture1741 orbitar1782 pterion1878 ?1541 R. Copland Guy de Chauliac's Questyonary Cyrurgyens ii. sig. Fij There commeth .ix. [muscles to the tongue] that brede of the addycyon called sagitall of the bone named Lapheoides. 1598 A. M. tr. J. Guillemeau Frenche Chirurg. 40 b/2 The sagittal suture, where she ioyneth her self with the Coronalle suture. 1653 T. Urquhart tr. F. Rabelais 1st Bk. Wks. xliv. 197 The sagittal commissure or dart-like seame which distinguisheth the right side of the head from the left. 1882 B. G. Wilder & S. H. Gage Anat. Technol. Domest. Cat 183 In Human Anatomy the sagittal suture is confined to the articulation of the two parietals with each other, the two frontals uniting so early that they are considered as a single bone. b. Pertaining to the sagittal suture; pertaining to or lying in ‘the median longitudinal anteroposterior plane of the body, or to any plane parallel with this’ ( New Sydenham Soc. Lexicon 1891). ΚΠ 1828 R. Knox tr. H. Cloquet Syst. Human Anat. 57 Four Edges, of which the upper or the parietal..joins that of the opposite bone with which it forms the sagittal suture [Fr. la suture sagittale]. 1854 R. Owen Struct. Skeleton & Teeth in Orr's Circle Sci.: Org. Nature I. 250 The sagittal and occipital crests. 2. Pertaining to an arrow; resembling an arrow or an arrow-head in shape. rare. ΘΚΠ the world > space > shape > fact or condition of tapering > condition of tapering to a point > [adjective] piked1269 pointedc1325 sharp1340 peakedc1350 pricked?a1425 sharp-pointed1530 acuatea1550 piquant1549 picked1552 corned?c1562 arrow-headed1567 acuminated1578 pointing1578 acute1598 exasperated1608 spitted1626 pointy1644 sagittal1656 pecked1662 piqued1689 spired1694 piky1741 spiky1743 spiry1777 apexed1813 beak-shaped1830 peaky1832 apiculated1839 cusped1888 sagittiform1895 cuspate1896 society > armed hostility > military equipment > weapon > missile > arrow > [adjective] arrowy?1615 sagittal1656 sagittarya1682 1656 T. Blount Glossographia Sagittal..; Also belonging to an Arrow. 1772 T. Pennant Genera of Birds (1781) 16 Hoopoe... Tongue, short, sagittal. 1785 T. Pennant Arctic Zool. II. 207 Feathers of the thighs long, white, crossed with sagittal bars of yellow. 1885 R. F. Burton tr. Arabian Nights' Entertainm. I. xvii. 167 Sagittal shots from eyelids Sagittarius threw. 1887 W. J. Sollas in Encycl. Brit. XXII. 416/2 (Fig. 13) [Forms of sponge-spicules] h, sagittal triod. 3. Optics. Pertaining to or designating the plane that contains the chief ray from an off-axis point source and those rays that are brought to a point in the further (radial) line image formed by an astigmatic system (in a plane at right angles to the sagittal plane). ΘΚΠ the world > matter > physics > electromagnetic radiation > light > emission of light, radiation > [adjective] > off-axis sagittal1902 1902 C. R. Mann & R. A. Millikan tr. P. Drude Theory of Optics iii. 50 All the rays emitted by P..cross the axis at the same point P₂. The beam made up of such rays is called a sagittal beam. It has a focal point at P₂. 1910 J. P. C. Southall Princ. & Methods Geom. Optics vii. 333 Following the usage of most modern writers, we shall call the incident and refracted rays lying in the planes π, π′, respectively, the Sagittal Rays. [Note] ‘Sagittal’ is a term borrowed from Anatomy... Some writers..prefer..the word ‘equatorial’ instead of sagittal. 1936 H. T. Flint Geom. Optics vii. 150 This line and P₂P₂¹ are the focal lines of the astigmatic reflected pencil,..the sagittal and tangential lines respectively. 1972 O. N. Stavroudis Optics of Rays xii. 266 These skew rays, called sagittal rays, also pass through opposite sides of both the circle on the exit pupil and the ellipse on the image plane... Any fan of sagittal rays from the fixed object point will converge to..the sagittal focus... The tangential focus and the sagittal focus are the astigmatic foci. Derivatives saˈgittally adv. Anatomy ‘in the direction of the sagittal plane’ ( Cassell's Suppl. 1902). ΘΚΠ the world > life > the body > positions or directions in body > [adverb] > specific upwardsc1400 posteriorly1598 centrad1803 dextrad1803 distad1803 peripherad1803 proximad1803 sinistrad1803 atlantad1825 rostrad1831 mesially1849 ventrad1849 peripherally1852 posterolaterally1857 rostrally1863 distally1870 medianly1870 ventrally1870 postaxially1873 preaxially1873 posteroventrally1877 proximally1878 mesad1881 lateralwards1882 ventralwards1883 preaxiad1888 mesally1890 anteriad1891 haemad1891 postaxiad1892 lateralward1895 sagittally1895 ventral1899 posteriad1902 ipsilaterally1950 midsagittally1960 ventromedially1960 1895 I. K. Funk et al. Standard Dict. Eng. Lang. II. 1950 Jrnl. Compar. Neurol. 92 142 The right postcentral sulcus..its lower limb running almost sagitally. 1977 Lancet 29 Oct. 930/2 The pineals were removed, bisected sagitally, homogenised, and stored at −20°C. This entry has not yet been fully updated (first published 1909; most recently modified version published online September 2021). < adj.?1541
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