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8.3

컨트롤 버튼이 '내비게이션' 모드로 변경되었습니다.
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이 집합의 용어 (20)

  • What defines a cartilaginous joint?
    Bones are connected by cartilage, lack a joint cavity, and are not highly movable.
  • What are the two main types of cartilaginous joints?
    Synchondroses (bones united by hyaline cartilage) and symphyses (bones united by fibrocartilage).
  • What type of cartilage unites bones in synchondroses?
    Hyaline cartilage unites bones in synchondroses.
  • Are synchondroses movable or immovable joints?
    Virtually all synchondroses are synarthrotic, meaning they are immovable.
  • Give an example of a synchondrosis joint.
    The epiphyseal plates in growing long bones and the joint between the first rib's costal cartilage and the manubrium of the sternum.
  • What type of cartilage unites bones in symphyses?
    Fibrocartilage unites bones in symphyses.
  • What is the function of fibrocartilage in symphyses?
    Fibrocartilage is compressible and resilient, acting as a shock absorber and allowing limited movement.
  • What additional cartilage is present in symphyses besides fibrocartilage?
    Hyaline cartilage is present as articular cartilage on the bony surfaces.
  • Are symphyses movable or immovable joints?
    Symphyses are amphiarthrotic, providing strength with limited flexibility.
  • Give two examples of symphyses joints.
    The intervertebral discs between vertebrae and the pubic symphysis of the pelvis.
  • What type of joint is the epiphyseal plate in children?
    A synchondrosis where hyaline cartilage unites the diaphysis and epiphysis.
  • What type of joint are intervertebral discs classified as?
    Fibrocartilaginous joints, specifically symphyses, not synchondroses.
  • Is the distal articulation between the fibula and tibia a synchondrosis?
    No, it is a syndesmosis, not formed by hyaline cartilage.
  • What type of joint is the pubic symphysis?
    A fibrocartilaginous symphysis, not a synchondrosis.
  • What characteristic distinguishes synchondroses from symphyses?
    Synchondroses use hyaline cartilage and are immovable; symphyses use fibrocartilage and allow limited movement.
  • Why are symphyses important for the spine?
    They provide shock absorption and flexibility through fibrocartilaginous intervertebral discs.
  • What happens to the epiphyseal plate synchondrosis over time?
    It eventually ossifies and becomes a synostosis (bony fusion).
  • What is the joint cavity status in cartilaginous joints?
    Cartilaginous joints lack a joint cavity.
  • How does fibrocartilage contribute to joint function in symphyses?
    It provides strength and flexibility by being compressible and resilient.
  • What type of movement do cartilaginous joints generally allow?
    They allow limited or no movement, depending on the type (synchondroses immovable, symphyses slightly movable).