Definition of Spiculum

1. Noun. Small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e.g. sponges and corals.

Exact synonyms: Spicule
Generic synonyms: Appendage, Outgrowth, Process



Definition of Spiculum

1. n. Same as Spicule.

Definition of Spiculum

1. Noun. A thrusting javelin used by Romans that replaced the pilum in the late 3rd century. ¹

2. Noun. A sharp, pointed crystal, especially of ice. ¹

3. Noun. (zoology) A sharp, needle-like structure, especially those making up the skeleton of a sponge. ¹

4. Noun. (astronomy) A small radial emission of gas seen in the chromosphere and corona of the sun. ¹

¹ Source: wiktionary.com

Definition of Spiculum

1. spicule [n -LA] - See also: spicule

Medical Definition of Spiculum

1. Origin: L, a little point. Same as Spicule. Source: Websters Dictionary (01 Mar 1998)

Spiculum Pictures

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Lexicographical Neighbors of Spiculum

spicks
spicose
spicous
spics
spicula
spiculae
spicular
spiculate
spiculation
spiculations
spicule
spicules
spiculiform
spiculigenous
spiculispongiae
spiculum (current term)
spide
spider
spider's web
spider's webs
spider-burst
spider-webby
spider angioma
spider angiomas
spider brake
spider cancer
spider cell
spider crab
spider fern

Literary usage of Spiculum

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Monthly Microscopical Journal: Transactions of the Royal Microscopical (1870)
"The same spiculum x 400. This form is described in the text as the ... spiculum of the same species assuming a quadri-partite outline x 150. „ 33, 34. ..."

2. A Monograph of the British Spongiadæ by James Scott Bowerbank (1874)
"A skeleton spiculum. X 250 linear. ... skeleton spiculum. X 123 linear. Fig. 6.—One of the slender, ..."

3. Ophthalmic review (1896)
"The ophthalmoscope showed a hole through the iris, to the nasal side, and immediately behind this a foreign body, looking like a spiculum of glass, ..."

4. Edinburgh New Philosophical Journal, Exhibiting a View of the Progressive by Robert Jameson, Sir William Jardine, Henry D Rogers (1827)
"Silicious, fusiform, curved spiculum of the Spongia pa- ... occurs along with another silicious spiculum, similar to fig. 18. Fig. 6. ..."

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