α-SMA	smooth muscle α actin
ACP	Acid phosphatase
ALP	Alkaline phosphatase
AMP	Antimicrobial peptide
ATP	Adenosine triphosphate
A.U.	Arbitrary unit
BSA	Bovine serum albumin
CC	Coelomic cavity
CCF	Coelomic cytolytic factor
DAPI	4′6-diamino-2 phenylindole dihydrochloride
EdU	5-ethynyl-2′-deoxyuridine
EFCC	Eisenia fetida coelomocyte clusters
FITC	Fluorescein isothiocyanate
H&E	Hematoxylin-eosin
H2O2	Hydrogen peroxide
IL	Interleukin
LBSS	Lumbricus balanced salt solution
Lumbr	Lumbricin
LuRP	Lumbricin-related peptide
LBP/BPI	Lipopolysaccharide-binding protein/bacterial permeability-increasing protein
NF-κB	Nuclear factor kappa-light-chain-enhancer of activated B cells
PAS	Periodic Acid and Schiff
PRR	Pattern recognition receptor
qPCR	Quantitative polymerase chain reaction
ROS	Reactive oxygen species
SDS-PAGE	Sodium dodecyl sulphate-polyacrylamide gel electrophoresis
SR	Scavenger receptor
TLR	Toll-like receptor
TIR	Toll/interleukin-1 receptor
TUNEL	Terminal deoxynucleotidyl transferase-dUTP nick end labeling
Wnt	Wingless/integrated
wk	week