DEMIPENNIFORM Meaning and
Definition
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Demipenniform is an adjective used to describe a specific type of feather arrangement seen in birds. Derived from the Latin words "demi" meaning half and "pennis" meaning feather, it refers to a partial arrangement of feathers on a bird's wing.
In demipenniform feather arrangement, only the outer half or portion of the feather has barbs or vanes, while the inner half is bare. This configuration creates a distinct asymmetry in the feather structure, with one side having a flat and smooth surface and the other side lacking any projections. This feature can be observed in flight feathers, particularly in primary feathers located at the edge or tip of wings.
The demipenniform arrangement is prominent in certain bird species, like raptors, characterized by strong and agile flight capabilities. This specialized feather trait is thought to provide advantages in aerodynamics and maneuverability during flight. The absence of barbs on the inner half of the feather reduces drag and turbulence, allowing for smoother and more efficient movement through the air. It also aids in controlling airflow and enhancing the bird's agility by allowing the wing to adjust its shape more easily.
Overall, the demipenniform feather arrangement reflects an adaptation in birds that contributes to their exceptional flight abilities and exemplifies nature's remarkable designs for efficient aerial transportation.
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Demipectinate, penniform on one side only, noting certain muscles with fibers running at an acute angle from one side of a tendon.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for DEMIPENNIFORM
- femipenniform
- dwmipenniform
- dsmipenniform
- ddmipenniform
- drmipenniform
- d4mipenniform
- d3mipenniform
- denipenniform
- dekipenniform
- dejipenniform
- demupenniform
- demjpenniform
- demkpenniform
- demopenniform
- dem9penniform
- dem8penniform
- demioenniform
- demilenniform
- demi-enniform
- demi0enniform
Etymology of DEMIPENNIFORM
The word "demipenniform" is derived from the combination of two terms, "demi-" and "penniform":
1. "Demi-" is a prefix in English, which comes from the French word "demi" meaning "half" or "partially". It is commonly used to indicate something partial, incomplete, or halfway.
2. "Penniform" is derived from the Latin word "penna", which means "feather" or "wing". The term "penniform" is used to describe something that resembles a feather or wing in shape, structure, or arrangement.
Therefore, "demipenniform" combines these two elements: "demi-" meaning "partially" and "penniform" meaning "resembling a feather or wing". It is a term used to describe something that has a structure or shape similar to a feather or wing, but is only partially so.
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