Forelimb
Forelimb
Forelimb (/ˈfɔːrlɪm/) refers to the anterior limbs on an animal's body. In quadrupeds, the forelimb is the front limb, while in bipeds, it is often referred to as an arm.
Etymology
The term "forelimb" is derived from the Old English "fore", meaning "before" or "front", and "limb", which has roots in various Germanic languages, referring to a part or member of the body.
Anatomy
The anatomy of the forelimb varies greatly among different animal species. In mammals, the forelimb is typically composed of the humerus, radius, and ulna, along with various smaller bones in the hand or paw. In birds, the forelimb has evolved into a wing, while in reptiles and amphibians, it may be used for walking, climbing, or swimming.
Related Terms
- Humerus: The bone of the upper part of the forelimb in tetrapods (four-legged animals).
- Radius: One of the two long bones of the forearm (or lower part of the forelimb in four-legged animals).
- Ulna: The other long bone of the forearm, parallel to and longer than the radius.
- Wing: The forelimb of a bird, which has evolved for flight.
- Paw: The end part of the forelimb in quadrupeds, typically used for grasping.
See Also
External links
- Medical encyclopedia article on Forelimb
- Wikipedia's article - Forelimb
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