dorsicollar 
1738 
Dorylsemus 
dorsicollar (dor-si-kol'ar), a. [< L. dorsum, q. v.] A muscle which in some quadrupeds 
the back, + coHum, the neck, + -ar.] Of or passes from the back to the elbow, 
pertaining to the back and to the neck. Coues, dorsoflexion (d6r-so-flek'shon), . [< L. dor- 
1887. sum, the back, ,+ flexio(n-), a bending: seeflex- 
dorsicumbent (dor-si-kum'bent), n. [< L. dor- ion.] A bending of the back ; a bow. Froude, 
sum, the back, + *-cumben(t^)s, ppr. of -cumbere Carlyle, I. 51. 
(in comp. incumbere, etc.), otherwise cubare, dorso-intestinal (dor'so-in-tes'ti-nal), a. [<L. 
lie down.] Lying upon the back ; supine: op- dorsum, the back, + intestina, intestine, + -al.] 
posed to ventricumbent, or prone. In anat., situated on the dorsal aspect of the 
dorsiduct (dor'si-dukt), v. t. [< L. dorsum, the intestine. B. Owen. 
back, + ducere (pp. ductus), lead.] To bring or dorsolateral (dor-so-lat'e-ral), a. (X L- dor- 
carry toward or to the back : opposed to ventri- 
duct. [Rare.] 
dorsumbonal (ddr-sum'bo-nal), a. [< L. 
, + -al: 
Dorsiduct the tail of the cat so as to expose the anus 
and open it slightly. Wilder and Gage, Anat. Tech., p. 84. 
dorsiferous (d6r-sif'e-rus), a. [< L. dorsum, 
the back, + ferre, = E. bear 1 , + -ous.] In 
[< L. i 
the back, + latus '(later-), side, + -al.] 
Pertaining to the back and the side ; dorsal and 
lateral in position ; situated on the side of the 
back; dorsopleural. Also dorsilateral. Dorso- 
lateral muscle or muscles, the large segmented mass 
of muscle in fishes lying between the lateral and dorsal 
mo uatn., i jeire, = a. umtr-, T -uus.j j.11 septa, and the muscles in higher animals which are de- 
zool. : (a) Same as dorsigerous. (b) Bringing rived from this, 
forth upon the back; dorsiparous. dorsolumbar (dor-so-lum'bar), a. [< L. dorsum, 
dorsifixed (d6r'si-fikst), a. [< L. dorsum, the the back, + lumbus, loin, +"-ar.] In anat., per- 
back, + fixus, fixed, pp. of figere, fix : see fix.] taining to the whole dorsal (that is, the thi 
In bot. and eool., attached dorsally, or by the ~'~~- ---*-t- 
back : applied to anthers, etc. 
dorsigerous (d6r-sij'e-rus), a. [< L. dorsum, 
the back, -1- gerere, carry, + -ous.] In eool., 
bearing or carrying on the back: as, the dor- 
sigerous opossum, Didelphys dorsigera, so called 
from the fact that it bears its young upon its 
back. Also dorsiferous. 
dorsigrade (dor'si-grad), a. [NL., < L. dor- 
sum, the back, + gradi, walk.] In eool., walk- 
ing upon the back of the toes, as certain arma- 
dillos. 
dorsilateral (dor-si-lat'e-ral), a. [< L. dor- dorsomedian (ddr-so-me'di-an), a. [< L. dor- 
sum, the back, + latus (later-), the side, + -al.] sum i * back, + medius, middle, + -an.] Bit- 
Same as dorsolateral. uated in the midline of the back. Huxley. 
dorsilumbar (d6r-si-lum'bar), a. [< L. dor- [Rare.] 
sum, the back, + lumbus, loin, + -ar.] Same dorsomesal (dor-so-mes'al), a. Same as dorsi- 
as dorsolumbar. mesal. 
dorsimesal (dor-si-mes'al), a. [< dorsimeson + dorso-orbicularis (dor"s6-6r-bik-u-la'ris), n. ; 
-al.] Lying along the middle line of the back ; P 1 - dorso-orbiculares (-rez). A muscle 6f the 
aining in any way to the dorsimeson. Also hedgehog, 
cic and lumbar) region of the trunk of the body : 
said especially of those vertebree, collectively 
considered, which intervene between the cer- 
In eool.', vical and the sacral vertebra proper. The most 
obvious and usual distinction between dorsal and lumbar 
vertebraj being the presence of developed ribs on the for- 
mer and their absence from the latter, and ribs being fre- 
quently developed from the cervical to the sacral region 
of the spine, the whole series of such rib-bearing vertebra; 
is called dorsolumbar. The epithet is also used in the 
phrase dorsolumbar region. Also dorsilutnbar. 
The variations within the dorsolumbar region depend 
on the ribs. Gegenbaur, Comp. Anat. (trans.), p. 437. 
arising on the back near the termi- 
nation of the trapezius, and spreading upon the 
orbicularis panniculi, which it antagonizes. 
pertaining .._. 
dorsomesal. Wilder and Gage, Anat. Tech., p. 44. 
[Bare.] 
dorsimeson (d6r-si-mes'on), n. [< L. dorsum, dorsopleural (dor-so-plp'ral), a. [< L. dorsum, 
the back, + NL. meson, q. v., coined by Wilder tne back, + Gr. irfoupd, the side, + -al.] In 
and Gage.] The middle lengthwise line of the o-nat., of or pertaining to the back and the side, 
back. [Rare.] dorsosseus (d6rs-os'e-us), . ; pi. dorsossei (-i). 
dorsiparous (dor-sip'a-rus), a. [< L. dorsum, [ NL - (Coues, 1887), '< L. dorsum, the back, + 
the back, + parere, produce, + -ous.] 1. In sseu s, of bone: see osseous.] A dorsal inter- 
ior, bearing fruit upon the back : applied to osseu s muscle of the hand or foot, 
certain groups of ferns which produce fruit dorsourt, w. See dorser. 
upon the lower surface or back of the fronds, dorsoventral (dor-so-ven'tral), a. 1. Same as 
2. In zool., hatching young upon the back, dorsabdominal. 
dor- 
sum, the back, + umbo(n^), a boss, + -al: see 
umbonal.] In eool., both dorsal and umbonal, 
as one of the accessory valves in the family 
Pholadida;. 
In Pholas dactylus we find a pair of umbonal plates, a 
dormmiional plate and a dorsal plate. 
Encyc. Brit., XVI. 687. 
dort (d6rt), n. [< ME. dort (in comp. canlcer- 
dort, q. v.); origin obscure.] A sulky or sul- 
len mood or humor; the sulks: usually in the 
plural : as, he is in the dorts. [Prov. Eng. and 
Scotch.] 
Andrew, that left yon in the dorts, is going to marry 
Nanny Kemp. Petticoat Tales, I. 288. 
dort (dort), v. i. [Sc. : see dort, n.] To become 
pettish; sulk. 
dortert (dor'ter), n. [< ME. dorter, dortour, 
dortoure, dorture, < OF. dortor, dortour, dor- 
teour, dortoir, F. dortoir, < L. dormitorium, a 
sleeping-room, dormitory: see dormitory and 
dormer.] A sleeping-room ; a dormitory, es- 
pecially of a monastery. 
At home in cure dortour. 
Chaucer, Summoner's Tale, 1. 147. 
The Monckes he chaced here and there, 
And them pursu'd into their dortours sad. 
Spenser, F. Q., VI. xii. 24. 
They thought there was no life after this ; or if there 
were, it was without pleasure, and every soul thrust into 
a hole, and a dorter of a span's length allowed for his rest 
and for his walk. Jer. Taylor, Works (ed. 1835), I. 693. 
dorty (ddr'ti), a. [Sc. ; < dort + -yi; see dort, 
n.] It Pettish; prone to sullenness; sulky. 
Your well-seen love, and dorty Jenny's pride. 
ftainsay, Poems, II. 68. 
2. Delicate; difficult to cultivate: applied to 
plants. 
doruck (do'ruk), . A water-bottle used in 
modern Egypt. 
dory 1 (do'ri), n. ; pi. dories (-riz). [Also for- 
merly doree, dorrie; < F. dor<!e, a dory, lit. 'gilt,' 
fern, of dorii, pp. of dorer, < LL. deaurare, gild : 
see deaurate. Also called John-dory, where 
John is simply an expletive use of the familiar 
proper name, though it has been fancifully ex- 
plained from F. jaune, yellow.] 1. A popular 
as certain toads do. 
In both forms the polypa show a well-marked bilateral 
symmetry with regard to the dorsoventral axis. 
Jour. Micros. Science, XXVIII. 35. 
2. Same as bifacial. 
dorsoventrally (d6r-s6-veu'tral-i), adv. Same 
- 
dorsiscapular (dor-si-skap'u-lar), a. [< L. 
dorsum, the back, + scapula^' the shoulder- 
blade, + -ar.] Of or pertaining to the back 
and the shoulder-blade. Coues, 1887. - . 
dorsispinal (dor-si-spi'nal), a. [< L. dorsum, as dorsirentralhj. 
the back, + spina, spine, '4- -al.] In anat., of or Dorstenia (dor-ste'ni-a), n. [NL., named after 
pertaining to both the back and the spine. T - Dorsten (died 1552), a 
German botanist.] A ge- 
nus of herbaceous plants, 
of the natural order Urti- 
caceas, nearly related to the 
mulberry and fig, charac- 
terized by minute naked 
monoecious flowers crowd- 
ed upon a flat or somewhat 
concave fleshy receptacle. 
Dorsispinal vein, in human anat., one of a set of vein: 
which form a network about the processes ami arches of 
vertebne. 
dorsiventral (d6r-si-ven'tral), a. [< L. dor- 
sum, the back, + venter, the belly, + -al.] 1. 
In anat., same as dorsabdominal. 2. In bot., 
same as bifacial, 2. 
Also dorsoventral. 
dorsiyentrality (ddr'si-ven-tral'i-ti), n. [< 
dorsiventral + -ity.] The condition of being 
dorsiventral. [Rare.] 
dorsiventrally (d&r-si-ven'tral-i), adv. In a 
dorsiventral direction or situation ; from back 
to belly; dorsabdominally. Also dorsoventrally. 
The girdle running dorsoventrally. Science, III. 324. 
dorsocaudal (d6r-so-ka'dal), a. [< L. dorsum, 
the back, + cauda, tail, +"-a?.] In anat., supe- 
rior and posterior in direction or position. 
dorsocervical (dor-so-ser'vi-kal), a. [< L. 
dorsum, the back, -I- cervix (cervi'c-), the neck, 
+ -al.] In anat., pertaining to or situated on 
the back of the neck; pertaining to both the 
DaCrf. and tne neck. Dorsocsrvics,! vfirtpbrw 
equivocal vertebra? between the thoracic and the cervical 
series proper. 
dorsodynia (d&r-so-din'i-ii), n. [NL., < L. dor- 
sum, the back, + ofivvr,, pain.] Inpathol., mv- 
algia in the muscles of the back. 
Dory (Zetts /aber'i. 
thickened rootstock. There are 
about 50 species, natives of tropi- 
cal America and Africa, with a sin- 
gle species in the East Indies. The 
rhizome usually possesses tonic 
and stimulating properties. Con- 
trayerva is the product of D. 
Contrayena, D. Brasiliemis, and 
some other species of Brazil, 
dorsulum (d&r'su-lum), re.; pi. dorsula (-la). 
[NL., dim of L. dbrsum, the back.] In entom., 
a name given bv Kirbv to the mesoscutum or 
the thorax. It is con- 
name of the acanthopterygious fish Zeusfaber, 
the type of the family Zeidce. it is found in the 
seas of Europe, and is esteemed very delicate eating It 
seldom exceeds 18 inches in length. It is also called 
John-dory. 
2. A local name in some parts of the United 
States and Canada, especially along Lake Michi- 
gan, of Stizostcdion vitreum, the wall-eyed pike- 
perch. 
dory' 2 (do'ri), n. ; pi. dories (-riz). [Origin un- 
certain.] A small boat; especially, a small 
Inflorescence of Dorstenia 
Contrayerva: a, recepta- 
cle covered with minute 
flowers. (From Le Maout 
and Decaisne's " Traite 
general de Botanique.") 
, lor'sum), n. ; pi. dorsa (-sa). [L., the 
back, a ridge : see dorse, dorsal.] "I. In anat. : 
(a) The back, (b) The back of a part or organ : 
as, the dorsum of the foot; the dorsum of the 
. - . ,,. shoulder-blade. 2. In conch., the upper sur- 
dorso-epitrochlear (d6r"so-ep-i-trok'le-ar), a , ace of the bodv of a shell > the aperture being 
and re. I. a. In anat., of or pertaining "to the down ward. 3f. The ridge of a hill, 
dorso-epitroehlearis or epitrochlearis muscle. A similar ridge, which . . . suddenly rises into a massy 
II. n. Same as dorso-epitroclilearis. T - "'arton, Hist. Kiddington, p. 69. 
dorso-epitrochlearis (d6r"so-ep-i-trok-le- I^tisslmua dorsi [NL.], the broadest muscle of the 
a'ris),(.; pi. dorso-epitrochleares (-rez). TNL '< SLTW^l. ? ee "I* und f r """^-Longissinius 
L. dorsum, the back, + Gr. M, upon, 4 trochlea, jL C ]l Dge8t muscle ' the back In man ' See 
Dory. Lower figure shows nest of dories on deck of fishing-schooner. 
flat-bottomed boat used in sea-fisheries, in 
w ^ go out froni a 'arger vessel to catch 
"'^^ Same aa ^^'' /. < 2 - 
s (dor-i-le 'mus), n. [NL., < Gr. 
p "'. a spear ' 1' "**! throat.] A genus of 
ma nne uematode worms, of the family Enopli- 
&< D. maximus is a very common European 
species, found in the mud. 
