Villi Meaning: Definition, Examples, and Translations
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villi
[ˈvɪlaɪ ]
Definition
biological structure
Villi are tiny, finger-like projections found in various tissues of the body, most notably in the small intestine. They serve to increase the surface area for absorption of nutrients and play a crucial role in digestion. Additionally, villi are present in other organs, such as the placenta, where they assist in nutrient transfer between mother and fetus. The presence of villi enhances the efficiency of nutrient uptake significantly.
Synonyms
appendage, outgrowth, projection.
Examples of usage
- The villi in the small intestine absorb vitamins and minerals.
- Damage to the villi can lead to malabsorption issues.
- Research shows that villi increase the digestion of carbohydrates.
Translations
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Interesting Facts
Anatomy
- Villi are found in the small intestine and increase the surface area to help absorb nutrients more efficiently.
- Each villus is covered in even smaller hair-like structures called microvilli, which further aid in nutrient absorption.
Functionality
- The presence of villi greatly enhances the intestine's ability to absorb essential nutrients, vitamins, and minerals from food.
- Without villi, our bodies would struggle to get enough nutrients, which could lead to malnutrition.
Health
- Certain diseases, like celiac disease, can damage the villi, leading to decreased absorption and various health issues.
- Restoring villi function can take time, but adhering to a gluten-free diet can heal the damage caused by celiac disease.
Science
- Villi are an essential feature in the anatomy of not only humans but also many other mammals, showcasing common evolutionary traits.
- Research in the field of regenerative medicine explores how repairing or enhancing villi can aid in recovery from gastrointestinal disorders.
Development
- In fetal development, villi form as part of the placenta, where they play a critical role in nutrient exchange between mother and baby.
- Villi in the placenta help transport oxygen and nutrients to the developing fetus, emphasizing their importance well before birth.
Origin of 'villi'
The term 'villi' originates from the Latin word 'villus', which means 'shaggy hair' or 'tuft of hair'. This name was likely chosen due to the resemblance of these projections to small hairs or fibers. The plural form, 'villi', is commonly used in biological terminology to refer to the multiple projections found in organs that absorb substances. Villi have been studied extensively since the 19th century as scientists began to understand their role in the digestive system. With advancements in microscopy, the intricate structure of villi became more apparent, leading to further discoveries about their functions and importance in health and disease. The study of villi extends beyond just the digestive system, as they are integral to the functioning of other systems, such as the reproductive system in the form of placental villi, emphasizing their significance across different biological contexts.