'sinoatrial node' definitions:
Definition of '
sinoatrial node
'
(from
WordNet
)
noun
A specialized bit of heart tissue that controls the heartbeat [syn:
pacemaker
,
cardiac pacemaker
, sinoatrial node,
SA node
]
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
