Word Finder

KIDNEY

k-i-d-n-e-y

Noun
Intermediate Level
6 Letters

Quick Definition

KIDNEY is a vital organ that filters blood, removes waste, and produces urine. Humans typically have two kidneys located in the lower back.

Scrabble Points

14

Points in Scrabble

Base tile values • No multipliers applied

Definition & Meaning

KIDNEY refers to either of two bean-shaped organs in the renal system that filter blood, remove waste products, regulate blood pressure, and produce urine. Located on either side of the spine in the lower back, kidneys are essential for maintaining the body's chemical balance and overall health. Each kidney contains about a million tiny filtering units called nephrons. These remarkable organs process about 200 quarts of blood daily, producing about 2 quarts of urine. Beyond waste removal, kidneys help regulate blood pressure, produce red blood cells, and maintain the body's calcium and phosphorus balance.Key functions of kidneys:

  • Filtration: Remove waste products and excess water from blood
  • Regulation: Balance electrolytes, pH levels, and blood pressure
  • Hormone production: Create erythropoietin for red blood cell production
  • Vitamin D activation: Convert vitamin D to its active form
  • Etymology & Origin

    The word kidney has a fascinating etymology combining body parts and shape descriptions. It derives from Middle English kidenei, which came from an earlier form kidenere. This appears to be a compound of two elements. The first part may come from Old English cwið meaning "womb" or "belly," or possibly from cēod meaning "bag" or "pouch." The second element nēre is related to niere, from Proto-Germanic *neurô, which also gave us the archaic English word "neer" for kidney. The modern spelling emerged in the 14th century. Interestingly, many Germanic languages use completely different roots - German uses Niere, while Romance languages use variations of Latin ren (as in "renal"). The bean-like shape of kidneys has made "kidney-shaped" a common descriptive term, and "kidney bean" was named for its resemblance to the organ.

    Did You Know?

    Humans can live normally with just one kidney - many people donate a kidney while living

    Your kidneys filter your entire blood supply about 40 times per day

    The first successful kidney transplant was performed in 1954 between identical twins

    Kidney beans are named after the organ due to their similar shape and color

    Each kidney is about the size of a fist and weighs 4-6 ounces

    Usage Examples

    "The doctor explained that her kidney function tests came back normal."

    "He decided to become a living kidney donor for his brother."

    "Drinking plenty of water helps maintain healthy kidney function."

    Synonyms & Related Terms

    Medical Terms

    Related medical vocabulary

    Renal

    Relating to kidneys

    Nephro-

    Kidney-related prefix

    Urinary organ

    Functional description

    Filter organ

    Based on function

    Related Body Parts

    Other organs and systems

    Liver

    Another vital organ

    Bladder

    Stores kidney output

    Ureter

    Connects to kidney

    Adrenal gland

    Sits atop kidney

    Word Forms & Variations

    Plural Form

    kidneys

    Both kidneys were functioning normally.

    Possessive Form

    kidney's

    The kidney's main function is filtration.

    Related Terms

    kidney-shaped
    kidney bean
    kidney stone
    kidney disease
    kidney failure

    Common Phrases & Collocations

    Medical Context

    • kidney function

      How well kidneys work

    • kidney transplant

      Organ replacement surgery

    • kidney dialysis

      Artificial blood filtering

    Common Expressions

    • "kidney stones" - painful mineral deposits
    • "kidney infection" - bacterial condition
    • "kidney donor" - transplant giver
    • "kidney disease" - organ dysfunction
    • "sell a kidney" - joking about expense

    Word Game Strategy

    Playing KIDNEY

    • 1.K value: Worth 5 points - maximize with multipliers
    • 2.Y as vowel: Functions as vowel here, useful flexibility
    • 3.Common letters: D, N, E, I are easy to build from
    • 4.Extension potential: Add S for KIDNEYS (7 letters)
    • 5.6-letter bonus: Good length for fitting on board

    Alternative Plays

    If you can't play KIDNEY, consider these subwords:

    INKED
    10 pts
    DINKY
    13 pts
    KIND
    9 pts
    DINE
    5 pts
    KEY
    10 pts

    Medical & Health Significance

    Vital Life Functions

    Kidneys are essential organs that maintain homeostasis in the body. They regulate fluid balance, electrolyte levels, and blood pressure. The kidneys produce hormones including erythropoietin (stimulates red blood cell production) and calcitriol (active vitamin D). Without functioning kidneys, toxic waste products accumulate, leading to life-threatening conditions.

    Common Kidney Conditions

    Kidney stones affect 1 in 11 people, causing severe pain as mineral deposits pass through the urinary system. Chronic kidney disease affects 15% of adults, often caused by diabetes or hypertension. Acute kidney injury can occur suddenly from dehydration, medications, or infections. Early detection through regular testing is crucial for treatment.

    Kidney Health Maintenance

    Protecting kidney health involves staying hydrated (6-8 glasses of water daily), limiting sodium intake, exercising regularly, and avoiding excessive use of NSAIDs. Regular blood pressure monitoring and diabetes management are crucial. The National Kidney Foundation recommends annual screening for at-risk individuals.

    Common Mistakes & Confusions

    Spelling Errors

    • kindey→ kidney
    • kidnee→ kidney
    • kideny→ kidney

    Medical Misconceptions

    Location confusion

    Kidneys are in the back, not the front abdomen

    Number needed

    Can live with one healthy kidney

    Pain location

    Kidney pain is felt in the flank/back area

    Related Words to Explore

    Similar High-Scoring Body Part Words

    Letter Analysis

    Letter Distribution

    K (5 pts)
    1x
    I (1 pts)
    1x
    D (2 pts)
    1x
    N (1 pts)
    1x
    E (1 pts)
    1x
    Y (4 pts)
    1x

    Total base points: 14 (Scrabble)

    Vowels: 2 | Consonants: 4

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