foramen

/fɔ'reimen/

Thân thiện

The surgeon carefully examines the foramen in the skull model.

Definition

1. Noun:
   • A natural opening or hole in a bone or through a membranous structure: In anatomy and biology, a "foramen" is a passage or opening that allows nerves, blood vessels, or other structures to connect different parts of the body.

Examples of Usage

• Noun:
  • The spinal cord passes through the foramen magnum at the base of the skull.
  • Nerves and blood vessels exit the vertebral column through the intervertebral foramen.

Advanced Usage

• "Foramen ovale": In fetal heart anatomy, an opening between the two atria that normally closes after birth.
  • The foramen ovale allows blood to bypass the fetal lungs.
• "Foramen magnum": The large opening at the base of the skull through which the spinal cord connects to the brain.
  • The size and position of the foramen magnum are important in the study of human evolution.

Variants and Related Words

• Foramina (n): The plural form of "foramen."
  • Several small foramina allow for the passage of nerves.
• Foraminal (adj): Pertaining to a foramen.
  • Foraminal stenosis is a narrowing of the nerve openings in the spine.

Synonyms

• Opening: A general term for a gap or hole.
• Aperture: An opening, hole, or gap, often used in technical contexts.
• Hole: A hollow place in a solid body or surface.

Related Phrases

(Note: "Foramen" is a specific anatomical term and is not typically used in phrasal verbs or common idiomatic expressions.)

Học thuật

Noun

1. a natural opening or perforation through a bone or a membranous structure

Từ đồng nghĩa

• hiatus