ANATOMY.
45
A Table of the Muscles, Sjc. continued.
Name. Oiigin. Insertion. Use.
Omo-hyoi- From the upper costa of the Into the basis of the os To draw the os hyoides
deus. scapula near its niche; from hyoides. in an oblique direction
part of a ligament that ex- downwards,
tends across this niche.
!. Sterno-hyoi- From the cartilage of the first Into the basis of the os To draw the os hvoides
deus. rib, the inner and upper part hyoides. downwards,
of the sternum, and a small
part of the clavicle.
t. Hyo-thyroi- From part of the basis and horn Into a rough oblique To raise the thyroid car-
deus. of the os hyoides. line at the side of the tilage, or depress the
thyroid cartilage. os hyoides.
4. Sterno-thy- From between the cartilages of Immediately under the To pull the thyroid car-
roideus. the first and second ribs, at hyo-thyroideus. tilage downwards.
the upper and inner part of
the sternum.
5. Crico-thyroi- From the anterior part and side Into the lower part, and To pull the cricoid car-
deus. of the cricoid cartilage. inferior horn of the tilage upwards and
thyroid cartilage. backwards; or the
thyroid forwards and
downwards.
"1. Digastricus. From a fossa at the root of the Into the lower and ante- To draw the lower jaw
mastoid process, and likewise rior part of the chin. downwards,
from the os hyoides.
2. Stylo -hyoi- From the basis of the styloid Into the side and fore To draw the os hyoides
deus, process. part of the os hyoides. obliquely upwards.
3. Mylo-hyoi- From the inside of the lower Into the basis of the os To move the os hyoides
deus. jaw, between the last dens hyoides. to either side, for-
molaris and the chin. wards or upwards.
4. Genio-hyoi- From the inside of the chin. Into the base of the os To move the os hyoides
deus. hyoides. forwards or upwards.
5. Genio-o'los- From the inside of the chin. Into the tongue and ba- To move the tongue
in
fius. sis of the os hyoides. various directions.
6. Hyo-glossus. From the horn, basis, and ap- Into thetonguelaterally. To draw the tongue
pendix of the os hyoides. downward and in-
wards.
j 7- Lingualis. Laterally from the root of the Into the extremity of the To shorten the tongue,
tongue. tongue. and draw itbackwards.
8. Stylo-glossus. From the styloid process, and Into the side of the To move the tongue
sometimes also from a liga- tongue from the root backwards, and to one
mentthatextendsfromthence to near its tip. side,
to the angle of the lower jaw.
0. Stylo-pha- From the basis of the styloid Into the side of the pha- To raise the thyroid car-
ryngaeus. process. rynx and posterior part tilage and pharynx,
of the thyroid carti- and likewise to dilate
lage. the latter.
10. Circum- From near the bony part of the Into the semilunar edge To dilate and draw the
flexus palati. Eustachian tube, and from of the os palati, and velum obliquelydown-
the spinous process of the the velum pendulum wards,
os sphenoides. palati.
11. Levator pa- From the membranous part of Into the velum pendu- To pull the velum back-
lati. the Eustachian tube,and the lum palati. wards.
[_ extremity of theos petrosum.
n Muscles
45
A Table of the Muscles, Sjc. continued.
Name. Oiigin. Insertion. Use.
Omo-hyoi- From the upper costa of the Into the basis of the os To draw the os hyoides
deus. scapula near its niche; from hyoides. in an oblique direction
part of a ligament that ex- downwards,
tends across this niche.
!. Sterno-hyoi- From the cartilage of the first Into the basis of the os To draw the os hvoides
deus. rib, the inner and upper part hyoides. downwards,
of the sternum, and a small
part of the clavicle.
t. Hyo-thyroi- From part of the basis and horn Into a rough oblique To raise the thyroid car-
deus. of the os hyoides. line at the side of the tilage, or depress the
thyroid cartilage. os hyoides.
4. Sterno-thy- From between the cartilages of Immediately under the To pull the thyroid car-
roideus. the first and second ribs, at hyo-thyroideus. tilage downwards.
the upper and inner part of
the sternum.
5. Crico-thyroi- From the anterior part and side Into the lower part, and To pull the cricoid car-
deus. of the cricoid cartilage. inferior horn of the tilage upwards and
thyroid cartilage. backwards; or the
thyroid forwards and
downwards.
"1. Digastricus. From a fossa at the root of the Into the lower and ante- To draw the lower jaw
mastoid process, and likewise rior part of the chin. downwards,
from the os hyoides.
2. Stylo -hyoi- From the basis of the styloid Into the side and fore To draw the os hyoides
deus, process. part of the os hyoides. obliquely upwards.
3. Mylo-hyoi- From the inside of the lower Into the basis of the os To move the os hyoides
deus. jaw, between the last dens hyoides. to either side, for-
molaris and the chin. wards or upwards.
4. Genio-hyoi- From the inside of the chin. Into the base of the os To move the os hyoides
deus. hyoides. forwards or upwards.
5. Genio-o'los- From the inside of the chin. Into the tongue and ba- To move the tongue
in
fius. sis of the os hyoides. various directions.
6. Hyo-glossus. From the horn, basis, and ap- Into thetonguelaterally. To draw the tongue
pendix of the os hyoides. downward and in-
wards.
j 7- Lingualis. Laterally from the root of the Into the extremity of the To shorten the tongue,
tongue. tongue. and draw itbackwards.
8. Stylo-glossus. From the styloid process, and Into the side of the To move the tongue
sometimes also from a liga- tongue from the root backwards, and to one
mentthatextendsfromthence to near its tip. side,
to the angle of the lower jaw.
0. Stylo-pha- From the basis of the styloid Into the side of the pha- To raise the thyroid car-
ryngaeus. process. rynx and posterior part tilage and pharynx,
of the thyroid carti- and likewise to dilate
lage. the latter.
10. Circum- From near the bony part of the Into the semilunar edge To dilate and draw the
flexus palati. Eustachian tube, and from of the os palati, and velum obliquelydown-
the spinous process of the the velum pendulum wards,
os sphenoides. palati.
11. Levator pa- From the membranous part of Into the velum pendu- To pull the velum back-
lati. the Eustachian tube,and the lum palati. wards.
[_ extremity of theos petrosum.
n Muscles