BCR	B cell receptor
CDR	complementarity determining region
CH	constant heavy
CL	constant light
D	diversity
Fab	fragment antigen-binding
Fc	fragment crystallizable
GALT	gut associated lymphoid tissue
Ig	immunoglobulin
IgH	immunoglobulin heavy chain
IgL	immunoglobulin light chain
IgSF	immunoglobulin superfamily
J	joining
MHC	major histocompatibility complex
MYA	million years ago
N	non-template
P	palindromic
RAG	recombination activating gene
SALT	skin associated lymphoid tissue
Sec	secreted
SHM	somatic hypermutation
TCR	T cell receptor
TdT	terminal nucleotidyl transferase
Tm	transmembrane
V	variable
VH	variable heavy
VL	variable light
VLR	variable lymphocyte receptor