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Definition of Dorsal
1. Adjective. 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"
2. Adjective. 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"
Definition of Dorsal
1. a. 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.
2. n. A hanging, usually of rich stuff, at the back of a throne, or of an altar, or in any similar position.
Definition of Dorsal
1. Adjective. (anatomy) With respect to, or concerning the side in which the backbone is located, or the analogous side of an invertebrate. ¹
2. Adjective. (context: of a knife) Having only one sharp side. ¹
3. Adjective. (anatomy) The top surface of foot and/or hand. ¹
¹ Source: wiktionary.com
Definition of Dorsal
1. a dorsally located anatomical part [n -S]
Medical Definition of Dorsal
1. 1. Pertaining to the back or to any dorsum. 2. Denoting a position more toward the back surface than some other object of reference, same as posterior in human anatomy, superior in the anatomy of quadrupeds. Origin: L. Dorsalis, from dorsum = back This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)
Lexicographical Neighbors of Dorsal
Literary usage of Dorsal
Below you will find example usage of this term as found in modern and/or classical literature:
1. Anatomy, Descriptive and Surgical: Descriptive and Surgical by Henry Gray (1897)
"There is loss or impairment of sensation on the palmar surface of the thumb,
index, middle, and outer half of the ring fingers, and on the dorsal surface of ..."
2. Anatomy, Descriptive and Surgical by Henry Gray (1901)
"They gradually increase in length from above downward, and in the lower part of
the dorsal region pass down in contact with the spinal cord for a distance ..."
3. Cunningham's Manual of Practical Anatomy by Daniel John Cunningham, Arthur Robinson (1914)
"Accompanied by the dorsal interosseous nerve it runs distally under cover of the
extensor pollicis longus, and ends on the dorsum of the carpus by ..."
4. The Standard Cyclopedia of Horticulture: A Discussion for the Amateur, and by Liberty Hyde Bailey (1916)
"Fis. clear citron-yellow, except dorsal sepal, which is clear green at base, ...
Sanderse: fls. clear greenish yellow, the dorsal sepal with a few ..."
5. Dictionary of Philosophy and Psychology: Including Many of the Principal by James Mark Baldwin (1901)
"A paired masa of cells in the dorsal part of the thalamus (epithalamus) near the
insertion of ... dorsal Plate. One of the regions of the medullary tube. ..."
6. Surgery, Gynecology & Obstetrics by The American College of Surgeons, Franklin H. Martin Memorial Foundation (1912)
"Q. Case at entrance to clinic; right dorsal, left lumbar structural scoliosis.
Class I, 2 cured, 13 marked improvement, 27 improved, 8 no change. Class II. ..."
7. Journal of Nervous and Mental Disease by Philadelphia Neurological Society, American Neurological Association, Chicago Neurological Society, New York Neurological Association (1915)
"a relay in the dorsal horns, and pass up the cord in the opposite lateral column,
... Systemic degenerations of the dorsal columns are not numerous. ..."
8. Journal of Nervous and Mental Disease by American Neurological Association, Philadelphia Neurological Society, Chicago Neurological Society, New York Neurological Association, Boston Society of Psychiatry and Neurology (1915)
"a relay in the dorsal horns, and pass up the cord in the opposite lateral column,
... Systemic degenerations of the dorsal columns are not numerous. ..."
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