Second pharyngeal arch
From Wikipedia, the free encyclopedia
(Redirected from Hyoid arch)
| Second pharyngeal arch | |
|---|---|
 |
|
| Head end of human embryo, about the end of the fourth week. | |
 |
|
| Floor of pharynx of embryo. (Second arch visible near center.) | |
| Latin | arcus pharyngeus secundus |
| Gray's | subject #13 66 |
| Code | TE E5.16.4.0.2.0.12 |
The second pharyngeal arch or hyoid arch (or second branchial arch) assists in forming the side and front of the neck.
Contents |
[edit] Derivatives
[edit] Skeletal elements
From the cartilage of the second arch arises
- Stylohyoid ligament, and
- Lesser cornu of the hyoid bone.
[edit] Muscles
- Occipitofrontalis muscle
- Stylohyoid muscle
- Posterior belly of Digastric
- Stapedius muscle
- Auricular muscles
[edit] Nerve supply
[edit] Additional images
-
Human embryo from thirty-one to thirty-four days
[edit] References
- This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained within it may be outdated.
[edit] External links
- plastic/216 at eMedicine
- Overview at howard.edu
- Second branchial arch: Mnemonic
 |
This developmental biology article is a stub. You can help Wikipedia by expanding it. |
|
|||||||||||||||||||||
