immunoglobulin-A (IgA)

Introduction

IgA is the dominant immunoglobulin of the mucosal immune system providing the main defense for mucosal surfaces. IgA is made in lymphoid tissues that are proximal to mucosa-bearing organs & is transported onto mucosal surfaces. IgA molecules in blood are not secreted onto mucosal surfaces.

Laboratory

• IgA in skin
• IgA in body fluid
  • IgA in CSF
  • IgA in peritoneal fluid
  • IgA in saliva
  • IgA in serum
  • IgA in urine
• IgA secretory in body fluid
  • IgA secretory in saliva
  • IgA secretory in serum/plasma
  • IgA secretory in sweat
  • IgA secretory in tears
• IgA monoclonal in CSF
• IgA monoclonal in serum

More general terms

• immunoglobulin

Additional terms

• IgA in body fluid
• linear IgA disease
• selective IgA deficiency