Astragalus

/əs'trægələs/
Học thuật
Thân thiện
Definition

  1. Noun (Anatomy):

    • The astragalus is a specific bone in the human foot, more commonly known as the talus. It is the bone in the ankle that articulates (forms a joint) with the tibia and fibula (the leg bones) to form the ankle joint. It is a key bone for weight-bearing and movement.

  2. Noun (Botany):

    • Astragalus is the name of a very large genus of flowering plants in the legume family (Leguminosae or Fabaceae). This genus includes numerous species of annual or perennial herbs or shrubs, primarily found in northern temperate regions. It is one of the largest genera of flowering plants.
Usage Examples

  • Noun (Anatomy):

    • A fracture of the astragalus can severely limit mobility.
    • The surgeon carefully realigned the astragalus within the ankle joint.

  • Noun (Botany):

    • Several species of astragalus are used in traditional herbal medicine.
    • The field was dotted with the purple flowers of the astragalus plant.
Advanced Usage

  • In anatomical terminology, "astragalus" is considered a more formal or historical term. The modern and more commonly used term in medicine and anatomy is talus.

    • The ancient text described the astragalus, which we now call the talus.

  • In botanical contexts, the genus name Astragalus is always capitalized and italicized in scientific writing.

    • The study focused on the phylogenetic relationships within *Astragalus.*
Variants and Related Words
  • Talus (n): The modern anatomical term for the astragalus bone.
  • Astragalar (adj): Pertaining to the astragalus bone (e.g., ).
  • Milkvetch: A common name for many plants in the genus.
  • Locoweed: A common name for some toxic North American species of .
Synonyms
  • Anatomy: Talus, ankle bone.
  • Botany: (For the genus) There is no direct single-word synonym. Common names include milkvetch and locoweed for specific species.
Related Phrases
  • Astragalus bone: A clarifying phrase used to specify the anatomical meaning.
    • The injury involved the astragalus bone.
  • Astragalus root: Refers to the root of specific species (e.g., ) used in herbalism.
    • She takes a supplement made from astragalus root.
Related Idioms
  • There are no common idioms directly using the word "astragalus." Its technical nature means it is not typically used in figurative language.
Noun
  1. the bone in the ankle that articulates with the leg bones to form the ankle joint
  2. large genus of annual or perennial herbs or shrubs of north temperate regions; largest genus in the family Leguminosae

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