THE 
/ 
VETERINARIA 
’T7' 
jL 
vol. hi. JANUARY, 1830. No. 25 . 
ANATOMY OF THE HORSE. 
T * r » * — 
By W. Percivall, M.R.C.S., and V.S. to thelst Life Guards . 
[Continued from vol. ii, page 441.] 
7.-GLOSSAL REGION. 
THE muscles of this region form, collectively, the substance 
of the tongue: their number and variety account for the well- 
known mobility of that organ. 
hyo-glossus long us.— Kerato-glossus . 
Situation .—Along the base and side of the tongue. 
Form. —Long, narrow : flattened upon its sides. 
Attachment. — Posteriorly, to the corner of the os hyoides, a 
short distance from its junction with the appendix; anteriorly, 
infero-lateral parts of the tongue. 
Relations. —Extqmally, with the mylo-hyoideus; internally, 
with the hyo-glossus brevis ; inferiorly, with the gustatory nerves. 
Structure. —Thin, weak, aponeurotic, at its posterior attach¬ 
ment : remainder, fleshy. 
Action .—To draw the tongue within the mouth; and at the 
same time depress it. 
HYO-GLOSSUS BREVIS.— HyO-gloSSUS. 
Situation. —Similar to the preceding muscle. 
Form. —Broad, flat, thin, quadrilateral, half-penniform. 
Attachment .—Externally, to the side of the body of the 
os hyoides; internally, to the base of the tongue. 
Relations. —Externally, with the mylo-hyoideus and hyo- 
glossus longus; internally, with the genio-hyo-glossus. 
Direction. —-Obliquely transverse. 
Structure. —Entirely fleshy. 
Action. —To assist the former muscle in the retraction of the 
tongue;. and to depress, in particular, the base of it. 
genio-hyo-glossus. — Genio-glossus . 
Situation .—Inferior part of the tongue. . 
vol. III. b 
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