| slovo | definícia |
spicule
(encz) | spicule, |
Spicule
(gcide) | Spicule \Spic"ule\, n. [L. spiculum a little point, a dart.]
1. A minute, slender granule, or point.
[1913 Webster]
2. (Bot.) Same as Spicula.
[1913 Webster]
3. (Zool.) Any small calcareous or siliceous body found in
the tissues of various invertebrate animals, especially in
sponges and in most Alcyonaria.
[1913 Webster]
Note: Spicules vary exceedingly in size and shape, and some
of those found in siliceous sponges are very complex in
structure and elegant in form. They are of great use in
classification.
[1913 Webster]
Description of the Illustration:
[1913 Webster]
a Acerate; b Tricurvate, or Bowshaped; c d
Hamate; e Broomshaped; f Scepterellate; g
Spinispirulate; h Inequi-anchorate; i Sexradiate;
j A Trichite Sheaf; k Six-rayed Capitate; l
Rosette of Esperia; m Equi-anchorate.
[1913 Webster] |
spicule
(wn) | spicule
n 1: small pointed structure serving as a skeletal element in
various marine and freshwater invertebrates e.g. sponges
and corals [syn: spicule, spiculum] |
| | podobné slovo | definícia |
Spicule
(gcide) | Spicule \Spic"ule\, n. [L. spiculum a little point, a dart.]
1. A minute, slender granule, or point.
[1913 Webster]
2. (Bot.) Same as Spicula.
[1913 Webster]
3. (Zool.) Any small calcareous or siliceous body found in
the tissues of various invertebrate animals, especially in
sponges and in most Alcyonaria.
[1913 Webster]
Note: Spicules vary exceedingly in size and shape, and some
of those found in siliceous sponges are very complex in
structure and elegant in form. They are of great use in
classification.
[1913 Webster]
Description of the Illustration:
[1913 Webster]
a Acerate; b Tricurvate, or Bowshaped; c d
Hamate; e Broomshaped; f Scepterellate; g
Spinispirulate; h Inequi-anchorate; i Sexradiate;
j A Trichite Sheaf; k Six-rayed Capitate; l
Rosette of Esperia; m Equi-anchorate.
[1913 Webster] |
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