Hyoid arch
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| Hyoid arch | ||
|---|---|---|
 | ||
| Head end of human embryo, about the end of the fourth week. | ||
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| Floor of pharynx of embryo. (Second arch visible near center.) | ||
| Gray's | subject #13 66 | |
| Dorlands/Elsevier | a_57/12149767 | |
The hyoid arch (or second branchial arch) assists in forming the side and front of the neck.
From its cartilage are developed the styloid process, stylohyoid ligament, and lesser cornu of the hyoid bone.
Additional images
 Human embryo from thirty-one to thirty-four days |
External links
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This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
Human development of head and neck | |
|---|---|
| Branchial region | Pharyngeal arch (1st, 2nd) - Pharyngeal pouch - Pharyngeal groove - Cervical sinus
Frontonasal prominence - Maxillary prominence - Mandibular prominence (Meckel's cartilage) tongue: Lateral lingual swelling - Tuberculum impar nose: Nasal placode - Olfactory pit - nasal prominences (Lateral, Medial) - Intermaxillary segment palate: Primitive palate - Secondary palate |
| Tooth development | Dental papilla - Odontoblast - Ameloblast - Hertwig's epithelial root sheath - Epithelial cell rests of Malassez - Cementoblast |
| Thyroid | Thyroid diverticulum - Thyroglossal duct - Ultimobranchial body |
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
