Word.ws English Dictionary

CD40

CD40 noun: a costimulatory protein found on antigen presenting cells and required for their activation by CD154 of T_H cells, with deficiency of CD40 possibly leading to hyper-IgM syndrome type 3.

Noun

CD40 (uncountable)

  1. a costimulatory protein found on antigen presenting cells and required for their activation by CD154 of T_H cells, with deficiency of CD40 possibly leading to hyper-IgM syndrome type 3.

Origin of CD40

from cluster of differentiation

Questions about CD40

What does CD40 mean?
CD40 means a costimulatory protein found on antigen presenting cells and required for their activation by CD154 of T_H cells, with deficiency of CD40 possibly leading to hyper-IgM syndrome type 3.
What part of speech is CD40?
CD40 is a noun.

Words near CD40 in the dictionary

  1. CD38s
  2. CD3s
  3. CD4
  4. CD4+
  5. CD4+s
  6. CD40
  7. CD42
  8. CD42s
  9. CD43
  10. CD43s
  11. CD45

Source and license

Adapted from Wiktionary: CD40 (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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