RETROTARSAL FOLD Meaning and
Definition
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The term "retrotarsal fold" refers to a specialized structure found in certain organisms, specifically birds and mammals. It is characterized as a vertical fold of skin or membrane situated on the posterior aspect of the ankle or tarsus region, just above the heel. The retrotarsal fold serves various functions depending on the species.
In birds, the retrotarsal fold is particularly prominent and essential for perching. It essentially acts as a support mechanism, enabling birds to maintain a secure grip on branches by wrapping the fold around the perch. Additionally, it provides stability during flight and landing. Some bird species also employ the retrotarsal fold to facilitate climbing or running up vertical surfaces.
Mammals, on the other hand, possess a less pronounced retrotarsal fold compared to birds. However, it still plays a role in their locomotion. In certain climbing mammals like primates, the fold aids in gripping branches or tree trunks, ensuring balance and preventing falls. Other terrestrial mammals might utilize the retrotarsal fold for efficient running and jumping.
Overall, the retrotarsal fold acts as an evolutionary adaptation that enhances locomotion and arboreal abilities in animals. Its presence allows for advanced grasping, climbing, running, and efficient use of various habitats.
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A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for RETROTARSAL FOLD
- eetrotarsal fold
- detrotarsal fold
- fetrotarsal fold
- tetrotarsal fold
- 5etrotarsal fold
- 4etrotarsal fold
- rwtrotarsal fold
- rstrotarsal fold
- rdtrotarsal fold
- rrtrotarsal fold
- r4trotarsal fold
- r3trotarsal fold
- rerrotarsal fold
- refrotarsal fold
- regrotarsal fold
- reyrotarsal fold
- re6rotarsal fold
- re5rotarsal fold
- reteotarsal fold
- retdotarsal fold
Etymology of RETROTARSAL FOLD
The word "retrotarsal fold" is a combination of three components: "retro-", "tarsal", and "fold".
1. "Retro-" is a prefix derived from the Latin word "retro", meaning "backward" or "behind". In this context, "retro-" indicates something located or directed backward.
2. "Tarsal" is an adjective form of the noun "tarsus", which refers to the bones of the foot between the ankle and the toes. The term is derived from the Latin word "tarsus" meaning "ankle" or "instep".
3. "Fold" is a noun that originally comes from Old English and refers to a pleat, crease, or bend. In the context of "retrotarsal fold", it indicates a specific anatomical feature.
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