<Li> CALT (conjunctival - associated lymphoid tissue) </Li> <Li> O - MALT (organized mucosa - associated lymphatic tissue); specifically, the tonsils of Waldeyer's tonsillar ring are O - MALT . </Li> <Li> D - MALT (diffuse mucosa - associated lymphatic tissue); MALT that is not organized as a separately macroscopically anatomically identifiable mass, tissue or organ (such as the aforementioned O - MALT) is diffuse MALT . </Li> <Li> LALT (larynx - associated lymphoid tissue) </Li>

Peyer's patches are an example of diffuse lymphatic tissue