lách
/spliːn//spliːn/The word "spleen" originated from the Old French term "espleene" which in turn was derived from the Latin word "splen" meaning "spotted" or "speckled." This name was given to the spleen due to its unique appearance, which is covered with deep red pigments that seem like spots or flecks. The exact origin of the word "spleen" in Old French is unknown as it predates recorded history, but it's believed that it was likely borrowed from an earlier Germanic language. Some linguistic scholars suggest that the Old English words "splītan" meaning "to split" or "splācn" meaning "splinter" might have influenced the development of the word. The term "spleen" also has a figurative meaning, referring to feelings of irritability or melancholy. This figurative usage appeared in the 17th century and drew inspiration from the notion that a diseased or injured spleen could cause negative emotions. Despite its historical significance, the importance of the spleen in human physiology has been debated by medical experts over the years. While we know that it plays a role in the immune system, by filtering out old and damaged red blood cells, it's still uncertain whether the spleen is an essential organ or not. Some people are even born without a spleen or lose it later in life due to medical conditions, without significant consequence to their health. The meaning and usefulness of the word "spleen" continue to evolve, reflecting our ongoing understanding of the human body.
a small organ near the stomach that controls the quality of the blood cells
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Sau khi bị nhiễm vi khuẩn, lá lách bắt đầu sản xuất một số tế bào bạch cầu để chống lại nhiễm trùng.
Khi Emily bị bệnh sốt rét, lá lách của cô đã giúp lọc ký sinh trùng ra khỏi máu.
Lách của vận động viên có thể bị tổn thương do chấn thương vùng bụng liên tục, điều này có thể làm tăng nguy cơ nhiễm trùng.
anger
sự tức giận
Anh ta trút lá lách của mình (= hét lên một cách giận dữ) vào đám đông đang tụ tập.
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