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Immune system agent WSJ Crossword Clue

By Narcissa Kh Date: MAR 21, 2026 Follow on Google

Crossword Answer

Click ? to reveal letters one by one before showing the full answer.

Clue History: Immune system agent

Complete History & Past Answers

Answer Letters Puzzle

TCELL

Letters 5

NYT Crossword - October 18 2026

TCELL

Letters 5

WSJ Crossword - March 21 2026

TCELL

Letters 5

NYT Crossword - August 8 2024

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WSJ Crossword Answers Today (October 23, 2026)

Today’s clues (October 23, 2026) with every across and down answer, plus the full solution grid for the Wall Street Journal crossword

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Q1.

What is the most likely answer for the crossword clue "Immune system agent"?

The most common and recent 5-letter answer for "Immune system agent" is TCELL.

Q2.

Why is "TCELL" the answer to the clue "Immune system agent"?

The clue refers to a component of the immune system. 'T cell' is a type of lymphocyte that plays a central role in cell-mediated immunity, making it a key 'agent' of the immune system.

Q3.

In which puzzle was the clue "Immune system agent" last seen?

This clue was last seen in the WSJ Crossword on March 21, 2026.

Q4.

What does the word "TCELL" mean in this context?

A T cell is a type of white blood cell that is essential for the immune response.

Q5.

What are some other crossword clues that share the same answer?

Immune system part, Small component of an immune response

The clue “Immune system agent” is a classic crossword staple, frequently appearing in puzzles like the WSJ crossword. For the puzzle dated March 21 2026, the definitive 5-letter answer is: TCELL.

Expert Tip: When you’re stuck, try to analyze the structure of the clue itself. Is it a direct definition, a pun, a fill-in-the-blank, or a pop culture reference? Identifying the type of clue you’re dealing with is a key skill for improving your solving speed.

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