finger
Definition
A finger is a long, thin appendage that projects from the hand. It is made up of three or four bones, called phalanges, which are connected by joints. The fingers are attached to the hand by muscles and tendons.
The fingers are important for grasping and manipulating objects. They are also important for feeling textures and other sensory information. The fingers are also used in communication, such as when we point or make gestures.
The fingers are very complex structures. They are made up of many different parts that work together to allow us to use them effectively. The bones in the fingers are arranged in a way that allows them to move in a variety of ways. The muscles in the fingers are responsible for moving the bones. The tendons connect the muscles to the bones and allow the muscles to move the bones.
The fingers are also very sensitive. They have many nerve endings that allow us to feel textures and other sensory information. This sensitivity is important for tasks such as picking up small objects and feeling the difference between different textures.
How can the word be used?
The pianist played the piano with his fingers.
Different forms of the word
Noun: finger, fingers.
Adjective: fingered, fingery.
Verb: finger, fingered, fingering.
Etymology
The word "finger" is derived from the Old English word fingra, which means "a digit of the hand". The Old English word fingra is thought to be cognate with the Old Norse word fingr, the German word Finger, and the Latin word digitus.
Question
What are fingers?
AQA Science Exam Question and Answer
Question:
Explain the structure and function of the human finger in fine motor skills and sensory perception. Describe the role of bones, muscles, and nerves in finger movements and tactile sensation. Provide real-life examples of how fingers are essential in daily activities and tasks.
Answer:
The human finger is a complex structure crucial for fine motor skills and sensory perception. The bones of the finger, called phalanges, provide a flexible framework, allowing for various movements. Muscles, connected to the bones by tendons, contract and relax to control finger motions with precision. Nerves running through the fingers enable tactile sensation, allowing us to feel textures, temperatures, and pain.
In daily activities, fingers are essential for tasks like writing, typing, playing musical instruments, and handling small objects. They also aid in feeding, grooming, and engaging in hobbies and sports.
For example, when playing a musical instrument like the guitar, the fingers press on the strings at specific points to produce different notes. Similarly, when typing on a keyboard, the fingers press individual keys accurately to form words and sentences.
In conclusion, the intricate structure and function of the human finger play a vital role in fine motor skills and sensory perception, enabling us to perform a wide range of daily activities with dexterity and precision.