Second pharyngeal arch
| Second pharyngeal arch | |
|---|---|
 Head end of human embryo, about the end of the fourth week. | |
 | |
| Anatomical terminology |
The hyoid arch (or second branchial arch) assists in forming the side and front of the neck.
Derivatives
Skeletal elements
From the cartilage of the second arch arises
- Stylohyoid ligament, and
- Lesser cornu of the hyoid bone.
Muscles
- Occipitofrontalis muscle
- Stylohyoid muscle
- Posterior belly of Digastric
- Stapedius muscle
- Auricular muscles
Nerve supply
Additional images
-
Human embryo from thirty-one to thirty-four days
External links
- plastic/216 at eMedicine
- Overview at howard.edu
- Second branchial arch: Mnemonic
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This article incorporates text in the public domain from page 66 of the 20th edition of Gray's Anatomy (1918)