Hypertext Webster Gateway: "dorsal"

From Webster's Revised Unabridged Dictionary (1913) (web1913)

Neural \Neu"ral\, a. [Gr. ? nerve.] (Anat. & Zo["o]l.)
relating to the nerves or nervous system; taining to,
situated in the region of, or on the side with, the neural,
or cerebro-spinal, axis; -- opposed to {hemal}. As applied to
vertebrates, neural is the same as {dorsal}; as applied to
invertebrates it is usually the same as ventral. Cf. {Hemal}.

{Neural arch} (Anat.), the cartilaginous or bony arch on the
dorsal side of the centrum of the vertebra in a segment of
the spinal skeleton, usually inclosing a segment of the
spinal cord.

From Webster's Revised Unabridged Dictionary (1913) (web1913)

Posterior \Pos*te"ri*or\ (p[o^]s*t[=e]"r[i^]*[~e]r), a. [L.
posterior, compar. of posterus coming after, from post after.
See {Post-}.]
1. Later in time; hence, later in the order of proceeding or
moving; coming after; -- opposed to {prior}.

Hesiod was posterior to Homer. --Broome.

2. Situated behind; hinder; -- opposed to {anterior}.

3. (Anat.) At or toward the caudal extremity; caudal; -- in
human anatomy often used for {dorsal}.

4. (Bot.) On the side next the axis of inflorescence; -- said
of an axillary flower. --Gray.

From Webster's Revised Unabridged Dictionary (1913) (web1913)

Dorsal \Dor"sal\, a. [F. dorsal, LL. dorsalis, fr. L. dorsualis,
fr. dorsum back; cf. Gr. ?, ?, mountain ridge. Cf. {Dorse},
{Dorsel}, {Dosel}.]
1. (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}.

2. (Bot.)
(a) Pertaining to the surface naturally inferior, as of a
leaf.
(b) Pertaining to the surface naturally superior, as of a
creeping hepatic moss.

{Dorsal vessel} (Zo["o]l.), a central pulsating blood vessel
along the back of insects, acting as a heart.

From Webster's Revised Unabridged Dictionary (1913) (web1913)

Dorsal \Dor"sal\, n. [LL. dorsale, neut. fr. dorsalis. See
{Dorsal}, a.] (Fine Arts)
A hanging, usually of rich stuff, at the back of a throne, or
of an altar, or in any similar position.

From WordNet (r) 1.7 (wn)

dorsal
adj 1: 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" [ant: {ventral}]
2: (biology) 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" [syn: {abaxial}] [ant: {adaxial}]


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