FORELIMB Meaning and
Definition
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A forelimb refers to the limb or appendage located in the front portion of the body of a vertebrate animal, specifically in reference to the upper limbs. It is commonly described as the corresponding limb to the hindlimb, which is located in the rear portion of the body. The forelimbs are typically present in pairs, creating bilateral symmetry in the animal's body structure.
In most vertebrates, especially mammals, the forelimbs are highly specialized and serve several vital functions. They are primarily used for locomotion, providing support, balance, and propulsion. Additionally, the forelimbs are often adapted for various manipulative tasks, such as grasping, holding, or manipulating objects. The specific structure and composition of the forelimb can vary significantly across different species, reflecting adaptations to their distinct ecological niches and lifestyles.
In mammals, including humans, the forelimbs are composed of several key components, including the upper arm or brachium, forearm or antebrachium, and the hand or manus. The manus consists of various bones, joints, and connective tissues that give rise to the digits or fingers. These fingers are instrumental in performing precise movements and tasks, allowing for dexterity and fine motor skills.
Overall, the forelimb is a crucial anatomical feature that plays a fundamental role in facilitating movement, mobility, and manipulation for a diverse range of vertebrate animals.
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Etymology of FORELIMB
The word "forelimb" is derived from the combination of two parts: "fore" and "limb".
The term "limb" comes from the Old English word "lim", meaning "branch" or "extremity". It can be traced back to the Proto-Germanic word "limuz".
The prefix "fore-" is derived from the Old English word "fore", which means "in front of" or "before". It has its roots in the Proto-Germanic word "fora", which means "before" or "in front of".
Therefore, "forelimb" refers to the limbs located at the front or before the hindlimbs or hind legs. It is commonly used to describe the front legs or arms of vertebrates, such as humans, primates, and quadrupeds.
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