E X P L A N A T I O N OF T H E TABLES. ^53
T A B L E XXVII.
'^I^HIS table reprefents, in a child, a nerve which is contained
in the canalis pterygoideus of the fphenoid bone,
••/¿M ^^^^ which joins the fécond branch of the fifth pair of nerves
to the firil ganglion of the great fympathetic nerve, and to the
portio dura of the feventh pair.
A B C The nofe and part of the upper Hp.
D The external ear.
E The meatus auditorius externus laid open.
F The membrana tympani.
G The three femicircular canals of the ear.
H The cochlca. J The cavity of the tympanum.
I K The internal carotid artery.
L The trunk of the fifth pair of nerves.
M The root of the firft branch of the fifth pair cut.
N The fécond branch of the fifth pair, or fuperior maxillary nerve.
G The root of the third branch of the fifth pair cut.
P The infra orbitar branch of the fécond of the fifth.
Q^Defccnding branches from the fécond of the fifth.
R The nafal branch of the fécond of the Hfth, running inwards, towards
the fide of the nofe.
S A branch refledled from the fécond branch of the fifth through the canalis
pterygoideus.
T A branch from S, which joins with the portio dura of the feventh pair.
U A branch fent downwards from S, to terminate in V, the uppermoft
cervical ganglion of the great fympathetic nerve.
Q^q TA B L E
i: . -li;
; 'ii: