ala

Thân thiện

A maple seed spirals down from a tree, its two flat alae catching the breeze.

Definition

Noun (plural: alae /ˈeɪ.liː/) 1. A wing or wing-like structure: In biology, an ala is a flat, wing-shaped projection, appendage, or part of an organism. 2. A specific anatomical part: In anatomy, it can refer to a wing-like structure, such as the lateral cartilaginous expansions of the nose. 3. A botanical structure: In botany, it refers to a wing-like part, such as the flat, membranous expansion on a seed or stem, or specifically to the two side petals of a flower in the pea family.

Usage Examples

• The ala of the maple seed helps it spin and disperse in the wind.
• The surgeon carefully examined the ala of the patient's nose before the procedure.
• In entomology, the insect's ala was damaged, affecting its flight.
• The distinctive shape of a sweet pea flower includes a standard, keel, and two alae.

Advanced Usage

• "Alar" (adjective): Pertaining to or having wings or wing-like structures.
  • The alar ligaments in the spine are so named for their wing-like shape.
• The term is primarily used in technical, scientific contexts (biology, anatomy, botany, zoology) and is rarely encountered in everyday conversation.

Variants and Related Words

• Alae (n.): The standard plural form of .
• Alar (adj.): Relating to or resembling a wing.
• Alate (adj.): Having wings or wing-like appendages.
• Axilla (n.): While not a variant, it is a related anatomical term; the is sometimes associated with certain structures in the armpit (axillary) region.

Synonyms

• Wing
• Pinion (specifically for a bird's wing)
• Process (in anatomical context, meaning a projection)
• Expansion

Notes on Different Meanings

The core meaning of ala is consistently "a wing-like part." The specific application defines its precise meaning: 1. Zoological/Entomological Meaning: Refers to the wing of an insect or a wing-like appendage on an animal. 2. Anatomical Meaning: Refers to specific wing-shaped structures in the body, most commonly the ala of the nose (the outer flaring part of the nostril) or the ala of the ilium (the upper wing-shaped portion of the hip bone). 3. Botanical Meaning: Refers to any wing-like projection on a seed, stem, or fruit, or specifically to the lateral petals in a papilionaceous flower (e.g., peas, beans).

Học thuật

Noun

1. a wing of an insect
2. a flat wing-shaped process or winglike part of an organism
   • the alae of the nose
   • the alae of a maple seed
   • the flat petals of a pea blossom are alae