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clasper    
n. 扣子,卷须,尾脚

扣子,卷须,尾脚


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  • Clasper - Wikipedia
    In biology, a clasper is a male anatomical structure found in some groups of animals, used in mating A close up view of a chimaera clasper (Hydrolagus collie) Note the many small tooth-like projections covering the exterior surface
  • What Are Claspers on a Shark and What Do They Do?
    Claspers are specialized external anatomical structures found exclusively on male sharks, rays, and chimaeras, which are all part of the class Chondrichthyes, or cartilaginous fishes These paired appendages are not separate organs but rather modified portions of the male’s pelvic fins
  • CLASPER Definition Meaning - Merriam-Webster
    The meaning of CLASPER is a male copulatory structure
  • Clasper – Your Familys Private Little Internet
    Clasper is a warm, private space just for your family Share memories, keep traditions alive, stay connected — without the noise of the world
  • What Are Shark Claspers and How Do They Function?
    Claspers are the external, paired reproductive organs of a male shark They are not separate appendages but are modified extensions of the inner edges of the pelvic fins These rod-like structures are composed of cartilage, the same flexible material that makes up the entirety of a shark’s skeleton
  • SHARK REPRODUCTION - Sharks4kids
    The male’s sexual organ, called a “clasper” is located on the pelvic fin Females have oviducts, a tube leading to the womb, this opening is referred to as a “cloaca” The male will insert his clasper into the female’s cloaca, releasing sperm and fertilizing her eggs
  • Learning About Marine Life: Claspers - ThoughtCo
    The clasper is similar to the penis of a human being They differ from the human penis, however, because they are not an independent appendage, but rather a deeply grooved cartilaginous extension of the shark's pelvic fins
  • Why do sharks have two penises? - The Fisheries Blog
    What is a clasper? Similar to a penis, claspers are an external appendage found on male sharks, skates, and rays that are designed to deliver sperm inside of a female
  • Teeth outside the jaw: Evolution and development of the toothed head . . .
    Unlike tenaculum teeth, there is no lamina-like structure associated with clasper denticles Over ontogeny, claspers develop numerous small diamond-shaped denticles
  • What Are Claspers on a Shark? Understanding Their Role
    Claspers are paired, rod-like organs located near the pelvic fins of male sharks You use claspers to transfer sperm into the female during mating Each clasper consists of a rigid cartilage core covered by skin, providing structural support





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