Maxillary prominence
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| Maxillary prominence | ||
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| Diagram showing the regions of the adult face and neck related to the fronto-nasal process and the branchial arches. (Maxillary process visible at center right.) | ||
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| Head end of human embryo of about thirty to thirty-one days. | ||
| Gray's | subject #13 69 | |
| Dorlands/Elsevier | p_36/12669837 | |
- For the cranial structure, see Maxillary process of inferior nasal concha.
Continuous with the dorsal end of the mandibular arch, and growing forward from its cephalic border, is a triangular process, the maxillary process (or maxillary prominence), the ventral extremity of which is separated from the mandibular arch by a ">"-shaped notch.
The maxillary process forms the lateral wall and floor of the orbit, and in it are ossified the zygomatic bone and the greater part of the maxilla; it meets with the lateral nasal process, from which, however, it is separated for a time by a groove, the naso-optic furrow, that extends from the furrow encircling the eyeball to the olfactory pit.
The maxillary processes ultimately fuse with the lateral nasal and globular processes, and form the lateral parts of the upper lip and the posterior boundaries of the nares.
Additional images
 Human embryo from thirty-one to thirty-four days |
 Under surface of the head of a human embryo about twenty-nine days old. |
 The head and neck of a human embryo thirty-two days old, seen from the ventral surface. |
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 As such, some of the information contained herein may be outdated.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 | |
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| 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 .
