PENTADACTYL Meaning and
Definition
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Pentadactyl is an adjective that refers to an organism possessing five digits or fingers on each of its limbs or appendages. The term is derived from the root words "penta," meaning "five," and "dactyl," which signifies "finger" or "digit." Pentadactyl is commonly used in the field of biology and zoology to describe the structural characteristic observed in many diverse species, including humans.
The pentadactyl arrangement is a fundamental feature found in vertebrates, particularly in mammals, amphibians, and reptiles. This anatomical configuration provides these organisms with enhanced dexterity, allowing them to grasp objects, manipulate their environment, and exhibit various locomotor abilities. For example, the human hand showcases pentadactylism, enabling precise movements, intricate tasks, and fine motor skills.
The concept of pentadactylism is rooted in evolutionary biology, as the five-digit limb structure is believed to have originated in a common ancestor and persisted throughout numerous species over millions of years. This feature is considered an example of homology, where similar structures present in different organisms suggest a shared ancestry rather than independent design.
Overall, the term "pentadactyl" denotes the presence of five digits on each limb or appendage and signifies a fundamental characteristic in various vertebrate species, highlighting their abilities for manipulation and locomotion.
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Having five fingers or toes; having a structure resembling five fingers.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
Common Misspellings for PENTADACTYL
- oentadactyl
- lentadactyl
- -entadactyl
- 0entadactyl
- pwntadactyl
- psntadactyl
- pdntadactyl
- prntadactyl
- p4ntadactyl
- p3ntadactyl
- pebtadactyl
- pemtadactyl
- pejtadactyl
- pehtadactyl
- penradactyl
- penfadactyl
- pengadactyl
- penyadactyl
- pen6adactyl
- pen5adactyl
Etymology of PENTADACTYL
The word "pentadactyl" consists of two Latin components: "penta", meaning five, and "dactyl", meaning finger or toe. The term originates from the study of anatomy, specifically in reference to animals with five digits on each limb, such as humans. The word is commonly used to describe the anatomical structure of the limbs of tetrapods, including mammals, birds, amphibians, and reptiles.
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