ALS	amyotrophic lateral sclerosis
APC	antigen-presenting cell
AS	ankylosing spondylitis
axSpA	axial spondyloarthritis
BASDAI	AS disease activity index
CNS	central nervous system
CNBD	corneal nerve branch density
CNFA	corneal nerve fiber area
CNFD	corneal nerve fiber density
CNFL	corneal nerve fiber length
CTBD	corneal nerve fiber total branch density
CRP	C reactive protein
DED	dry eye disease
DOMS	delayed onset muscle soreness
EP4	prostaglandin EP4 receptor
HLA-B27	human leukocyte antigen B27
IL-6	Interleukin-6
IL-17	Interleukin-17
L5	lumbar 5
LC	Langerhans cells
IVCM	In vivo corneal microscopy
LCD	Langerhans cell density
LIPCOF	lid parallel conjunctival folds
LN	lymph node
MT1-MMP	membrane type matrix metalloproteinase-1
NKT cell	natural killer-T cell
NKT17	IL17 producing NKT
NF-κB	nuclear factor kappa B
OSDI	ocular surface disease index
PGE2	prostaglandin E2
PD-L	programmed death-ligand
RA	rheumatoid arthritis
SBNP	subbasal nerve plexus
SLE	systemic lupus erythematosus
TBUT	tear film break-up time
Treg	T regulatory cell
Tγδ17	γδ17 cell
UPR	unfolding protein reaction
VIP	vasoactive intestinal peptide
WDR	wide dynamic range