venation

/vi:'neiʃn/

Thân thiện

The leaf's intricate venation is clearly visible against the light.

Definition

1. Noun:
   • (Zoology): The pattern or system of veins, especially the arrangement of venous blood vessels in an animal or the network of veins in an insect's wing.
   • (Botany): The arrangement or pattern of veins (vascular bundles) in a leaf or other plant organ.

Usage Examples

• Noun (Botany):
  • The venation of a maple leaf is palmate. (The veins in a maple leaf radiate from a single point.)
  • Scientists study leaf venation to understand plant evolution.
• Noun (Zoology):
  • The intricate venation of the butterfly's wing is both beautiful and functional. (The pattern of veins in the wing provides structural support.)
  • The venation in insect wings is used as a key characteristic for classification.

Advanced Usage

• Descriptive Use: "Venation" is often used descriptively with adjectives specifying the pattern type.
  • The parallel venation of grass leaves is a common feature in monocots.
  • The reticulate venation forms a net-like pattern.

Variants and Related Words

• Vein (n): A slender vascular bundle in a leaf or a blood vessel in an animal. This is the primary unit that forms a "venation."
• Venose (adj): Having many or prominent veins.
• Nervation (n): A less common synonym, primarily used in botany for the arrangement of veins.

Synonyms

• Veining (n): The pattern formed by veins. (Common in both botany and art/design contexts.)
• Nervation (n): (Botany) The arrangement of nerves or veins.

Notes on Meaning

• The meaning of "venation" is highly specialized to the fields of biology, botany, and zoology. It describes the structural layout of vein networks.
• It is not used in general conversation. In everyday language, one would simply refer to "veins" or "vein patterns."

Học thuật

Noun

1. (zoology) the system of venous blood vessels in an animal
2. (botany) the arrangement of veins in a leaf

Từ đồng nghĩa

• venous blood system