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O<br />
fosfatidiletanolammina<br />
C<br />
C<br />
O<br />
O<br />
CH 2<br />
O<br />
C<br />
H CH 2<br />
O<br />
-<br />
H<br />
O P O C<br />
O H<br />
H<br />
C<br />
H<br />
+<br />
NH 3<br />
porzione idrofobica<br />
testa polare