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Fine Dictionary

dorsal

ˈdɔrsəl
WordNet
Studies of the same dorsal shield as that of cat. No. 243. Much of the top and right portion is visible; the bottom shield is on its side so that part of the inside is visible.
Studies of the same dorsal shield as that of cat. No. 243. Much of the top and right portion is visible; the bottom shield is on its side so that part of the inside is visible.
  1. (adj) dorsal
    facing away from the axis of an organ or organism "the abaxial surface of a leaf is the underside or side facing away from the stem"
  2. (adj) dorsal
    belonging to or on or near the back or upper surface of an animal or organ or part "the dorsal fin is the vertical fin on the back of a fish and certain marine mammals"
Webster's Revised Unabridged Dictionary
  1. Dorsal
    (Fine Arts) A hanging, usually of rich stuff, at the back of a throne, or of an altar, or in any similar position.
  2. Dorsal
    (Bot) Pertaining to the surface naturally inferior, as of a leaf.
  3. Dorsal
    (Bot) Pertaining to the surface naturally superior, as of a creeping hepatic moss.
  4. Dorsal
    (Anat) Pertaining to, or situated near, the back, or dorsum, of an animal or of one of its parts; notal; tergal; neural; as, the dorsal fin of a fish; the dorsal artery of the tongue; -- opposed to ventral.
Century Dictionary and Cyclopedia
  1. dorsal
    In anatomy: Of or pertaining to the back: as, the dorsal fin of a fish; dorsal muscles, nerves, etc.
  2. dorsal
    Of or pertaining to the back of a part or organ: as, the dorsal aspect of the hand; the dorsal surface of the breast-bone; the dorsal artery of the penis.
  3. dorsal
    In entomology, pertaining to the upper surface of the thorax or abdomen.
  4. (n) dorsal
    In ichthyology, a dorsal fin.
  5. (n) dorsal
    In anatomy, a dorsal vertebra.
  6. (n) dorsal
    Eccles. See the extract.
  7. dorsal
    In phonology, pronounced with the back or middle upper surface of the tongue raised to the palate.
  8. dorsal
    In botany, relating to the back of an organ. See back, 3 (A).
Chambers's Twentieth Century Dictionary
  1. (adj) Dorsal
    dor′sal pertaining or belonging to the back
  2. (n) Dorsal
    one of the Dorsibranchiata, including free marine worms
Etymology

Webster's Revised Unabridged Dictionary F. dorsal, LL. dorsalis, fr. L. dorsualis, fr. dorsum, back; cf. Gr. , , mountain ridge. Cf. Dorse Dorsel Dosel

Usage in the news

Cell Ingression and Apical Shape Oscillations during Dorsal Closure in Drosophila. cell.com

Underwater footage shows schools of sailfish using their dorsal fins to manipulate shimmering schools of baitfish. sportfishingmag.com

Nonmuscle Myosin II Generates Forces that Transmit Tension and Drive Contraction in Multiple Tissues during Dorsal Closure. cell.com

Cell Ingression and Apical Shape Oscillations during Dorsal Closure in Drosophila . cell.com

The vertebral bodies proximate ventrally and separate dorsally. chiroweb.com

Walter Szulc Jr, in a kayak at left, looks back at the dorsal fin of an approaching. nydailynews.com

Os cuneometatarsale II dorsale (also os cuneometatarsale dorsale fibulare). chiroweb.com

Finless porpoises , which lack a dorsal fin, can grow to be about 1.6 meters (about 5 feet) long. ashingtonpost.com

They do grow legs, but retain their gills (see red fuzzies, above) and dorsal fin, which other salamanders lose as they mature. motherjones.com

Distinct Functions of the Tribolium zerknu¨llt Genes in Serosa Specification and Dorsal Closure. cell.com

There were very bright in color and had a black stripe going all the way from their dorsal fin to their ventral one. ilsonpost.com

Patterning Lessons from a Dorsalized Embryo. cell.com

Patterning Lessons from a Dorsalized Embryo Developmental Cell, Volume 14, Issue 4, 15 April 2008, Pages 455-456 Miriam I. Rosenberg and Claude DesplanSummary. cell.com

The Pikaia, which lived 500 million years ago, looked like a tiny eel with no eyes, two tentacles sprouting from its bi-lobed head with a backbone and a dorsal fin. thestar.com

The shark, whose dorsal fin was tagged with a tracking device in Cape Cod, Mass. hispanicbusiness.com

Usage in scientific papers

In nature, there is only one degree of freedom between each vertebra because the motion control of the vertebrae is coupled with the motion of the dorsal and ventral fin. These two fins being not easily reproducible, we will give to each vertebra more mobility to account problems of rolling, for example.
Kinematic Analysis of the vertebra of an eel like robot

The spiral gynandromorph (when the dorsal D and ventral V sections of the organism are inter folded) in Fig. 2d is a theoretical possibility I have added the category of spiral gynandromorphs . .
A Developmental Network Theory of Gynandromorphs, Sexual Dimorphism and Species Formation

The gynandromorphs are only two layers deep (dorsal and ventral) and have three anterior to posterior segments (head, midsection, tail).
A Developmental Network Theory of Gynandromorphs, Sexual Dimorphism and Species Formation

Fig.7d is a spiral-oblique gynandromorph where male and female sections interlock between ventral and dorsal sides.
A Developmental Network Theory of Gynandromorphs, Sexual Dimorphism and Species Formation

Each has possibly different ventral (front) and dorsal (back) sides.
A Developmental Network Theory of Gynandromorphs, Sexual Dimorphism and Species Formation

Usage in literature

Most collectors prepare their specimens by day; consequently the majority of specimens have a pronounced dorsal pattern. "Middle American Frogs of the Hyla microcephala Group" by William E. Duellman

The ethmoid frequently appears on the dorsal surface between the frontals. "Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 7" by Various

In all fishes, including the Dipnoi (mud fish) it is placed dorsally to the gill arches on each side. "Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8" by Various

From the nose to the dorsal fin three inches. "Lachesis Lapponica" by Carl von Linné

The tubercle for the helix is dorsal to the end of the cleft where the two arches join. "Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 9" by Various

The dorsal view of both bug and beetle. "A Guide for the Study of Animals" by Worrallo Whitney

The dorsal surfaces of the fore and hind-feet are also covered with horny plates. "Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 10" by Various

This surface generally becomes the ventral surface, but in Vertebrata it becomes the dorsal. "Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3" by Various

The small ova are crowded beneath the dorsal part of the valves. "Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 6" by Various

Dorsal, the name given to the second division of the vertebrae. "A Manual of the Antiquity of Man" by J. P. MacLean

Usage in poetry
The men aloft looked aft and saw,
(Where the sinister dorsal tacked and slid),
An eye that stared at our rolling hull
With never the blink of a lid.