List of Latin-script trigraphs

A number of trigraphs are found in the Latin script, most of these used especially in Irish orthography.

  • A
  • B
  • C
  • D
  • E
  • F
  • G
  • H
  • I
  • J–L
  • M
  • N
  • O
  • P–R
  • S
  • T
  • U–W
  • X–Z
  • other
  • See also
  • A

    aai is used in Dutch to write the sound /aːi̯/.

    abh is used in Irish to write the sound /əu̯/, or in Donegal, /oː/, between broad consonants.

    adh is used in Irish to write the sound /əi̯/, or in Donegal, /eː/, between broad consonants, or an unstressed /ə/ at the end of a word.

    aei is used in Irish to write the sound /eː/ between a broad and a slender consonant.

    agh is used in Irish to write the sound /əi̯/, or in Donegal, /eː/, between broad consonants.

    aim is used in French to write the sound /ɛ̃/ (/ɛm/ before a vowel).

    ain is used in French to write the sound /ɛ̃/ (/ɛn/ before a vowel). It also represents /ɛ̃/ in Tibetan Pinyin, where it is alternatively written än.

    aío is used in Irish to write the sound /iː/ between broad consonants.

    amh is used in Irish to write the sound /əu̯/, or in Donegal, /oː/, between broad consonants.

    Immunoglobulin heavy chain

    The immunoglobulin heavy chain (IgH) is the large polypeptide subunit of an antibody (immunoglobulin).

    A typical antibody is composed of two immunoglobulin (Ig) heavy chains and two Ig light chains. Several different types of heavy chain exist that define the class or isotype of an antibody. These heavy chain types vary between different animals. All heavy chains contain a series of immunoglobulin domains, usually with one variable domain (VH) that is important for binding antigen and several constant domains (CH1, CH2, etc.).

    The heavy chain doesn't always have to bind to a light chain. Pre-B lymphocytes can synthesize heavy chain in the absence of light chain, which then can allow the heavy chain to bind to a heavy-chain binding protein.

    In mammals

    Classes

    There are five types of mammalian immunoglobulin heavy chain: γ, δ, α, μ and ε. They define classes of immunoglobulins: IgG, IgD, IgA, IgM and IgE, respectively.

  • Heavy chains α and γ have approximately 450 amino acids.
  • IGH

    IGH (or derivative) may refer to:

  • Immunoglobulin heavy chain (IgH), the large polypeptide subunit of an antibody
  • Institut IGH, Croatian company
  • Internal geared hubs used on bicycles.
  • IGH@, the Immunoglobulin heavy locus, in biology
  • Inver Grove Heights, Minnesota, a City in the United States
  • References

    Podcasts:

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    Public Technologies 27 Mar 2025
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