ABA	abscisic acid
AEC	apical epidermal cap
AMPs	antimicrobial peptides
AviD	antiviral Dicer
CLV	CLAVATA
DAMPs	Damage-Associated Molecular Patterns
DNMT1	DNA methyltransferase 1
ECM	extracellular matrix
ECs	endothelial cells
EGFR	epidermal growth factor receptor
EPCs	endothelial progenitor cells
EPSCs	epidermal stem cells
ES	Established Similarity
FA	Functional Analogy
FGF	fibroblast growth factor
FS	Functional Similarity
GFs	growth factors
GI	gastrointestinal
GLR	glutamate receptor-like
GLU	glutamate
hBD-2	human β-defensin 2
IL-1	Interleukin-1
IL-10	Interleukin-10
IL-6	Interleukin-6
IL-8	Interleukin-8
JA	jasmonic acid
LL37	human cathelicidin antimicrobial peptide LL37
LPS	lipopolysaccharides
MMPs	matrix metalloproteinases
MSCs	mesenchymal stem cells
NO	nitric oxide
PAMPs	pathogen-associated molecular patterns
PDGF	platelet-derived growth factor
PGE2	prostaglandin E2
PGs	prostaglandins
RBbR	retinoblastoma-related proteins
REF1	regeneration factor 1
RNA	ribonucleic acid
RNS	reactive nitrogen species
ROS	reactive oxygen species
SEs	sieve elements
TGF-β	transforming growth factor-beta
TIMPs	tissue inhibitors of metalloproteinases
TNF	tumor necrosis factor
TOR	target of rapamycin
VEGF	vascular endothelial growth factor
WNT	Wingless-related integration site signaling pathway
WUS	WUSCHEL