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spicule    
n. 针状体,小穗,小穗状,骨针

针状体,小穗,小穗状,骨针

spicule
n 1: small pointed structure serving as a skeletal element in
various marine and freshwater invertebrates e.g. sponges
and corals [synonym: {spicule}, {spiculum}]

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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  • SPICULE Definition Meaning | Dictionary. com
    SPICULE definition: a small or minute, slender, sharp-pointed body or part; a small, needlelike crystal, process, or the like See examples of spicule used in a sentence
  • SPICULE Definition Meaning - Merriam-Webster
    The meaning of SPICULE is a slender pointed usually hard body; especially : one of the minute calcareous or siliceous bodies that support the tissue of various invertebrates (such as sponges)
  • What Are Spicules and What Do They Do? - ScienceInsights
    Learn about the hidden mineral skeletons of sponges, detailing their formation, biological roles, and critical use in taxonomy and paleontology
  • What Are Spicules? Dermatologists Weigh In | NBC Select
    Though spicules aren’t actually needles, they do mirror them “They are needle-like structures that come from marine sponges,” says Dr Marie Jhin, a dermatologist and author of K-Beauty Secrets
  • What Are Spicules in Skin Care? Skin Pros Explain. | The Strategist
    If you’ve recently come across a topical product that promises “liquid microneedling,” it likely contains spicules, a buzzy K-beauty ingredient that creates microscopic punctures in the skin The
  • How Spicules Skin Care Became the New Microneedling - ELLE
    Originating in Korea, “topical spicule products contain microscopic needle-like structures that gently penetrate the upper layers of the skin to create a micro-stimulating effect,” explains
  • What Are Spicules? Definition, Function, and Composition
    Spicules are microscopic structural elements, often sharp and pointed, found within the tissues of many invertebrate animals, where they provide a framework that supports the organism’s body They are diverse in their shape, size, and arrangement, forming intricate geometric patterns
  • Sponge spicule - Wikipedia
    Spicules are structural elements found in most sponges The meshing of many spicules serves as the sponge's skeleton and thus it provides structural support and potentially defense against predators [1] Sponge spicules are made of calcium carbonate or silica
  • Spicules. org – A database of sponge spicules
    Most sponges build skeletons composed of spicules—structural elements that occur in a wide range of sizes and three-dimensional forms Because spicule shapes are often distinctive to particular clades or even individual species, they serve as especially valuable tools for taxonomic classification
  • Spicule - Definition, Meaning Synonyms | Vocabulary. com
    ˌspɪˈkjul IPA guide Other forms: spicules Definitions of spicule noun small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e g sponges and corals synonyms: spiculum





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