Ameloblast

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Overview

Ameloblasts are cells that deposit enamel, the hard outer most layer that forms the chewing surface.

Ameloblasts are cells which secrete the enamel proteins enamelin and amelogen which will later mineralise to form enamel on teeth, the strongest substance in the human body. Each Ameloblast is approximately 4 micrometers in diameter, 40 micrometers in length and has a hexagonal cross section. The secretory end of the ameloblast ends in a six sided pyramid like projection known as the Tomes' process. The angulation of the Tomes' process is significant in the orientation of enamel rods.

Ameloblasts are derived from oral epithelium tissue of ectodermal origin. Their differentiation is a result of signalling from the ectomesenchymal cells of the dental papilla. The ameloblasts will only become fully functional after the first layer of dentine has been formed, as such dentine is a precursor to enamel.

Ameloblasts control ionic and organic compositions of enamel. They adjust their secretory and re absorptive activities to maintain favorable conditions for biomineralization.

See also

• Ameloblastoma
• Ameloblastin

v • d • e WikiDoc Research Resources for Ameloblast
Articles on Ameloblast	Most recent articles on Ameloblast • Most cited articles on Ameloblast • Review articles on Ameloblast • Articles on Ameloblast in N Eng J Med, Lancet, BMJ
Media (Slides, Video, Images, MP3) on Ameloblast	Powerpoint slides on Ameloblast • Images of Ameloblast • Photos of Ameloblast • Podcasts & MP3s on Ameloblast • Videos on Ameloblast
Evidence Based Medicine Regarding Ameloblast	Cochrane Collaboration on Ameloblast • Bandolier on Ameloblast • TRIP on Ameloblast
Cost Effectiveness of Ameloblast	Cost Effectiveness of Ameloblast
Clinical Trials Involving Ameloblast	Ongoing Trials on Ameloblast at Clinical Trials.gov • Trial results on Ameloblast • Clinical Trials on Ameloblast at Google
Guidelines / Policies / Government Resources (FDA/CDC) Regarding Ameloblast	US National Guidelines Clearinghouse on Ameloblast • NICE Guidance on Ameloblast • NHS PRODIGY Guidance • FDA on Ameloblast • CDC on Ameloblast
Textbook Information on Ameloblast	Books and Textbook Information on Ameloblast
Pharmacology Resources on Ameloblast	Dosing of Ameloblast • Drug interactions with Ameloblast • Side effects of Ameloblast • Allergic reactions to Ameloblast • Overdose information on Ameloblast • Carcinogenicity information on Ameloblast • Ameloblast in pregnancy • Pharmacokinetics of Ameloblast •
Genetics, Pharmacogenomics, and Proteinomics of Ameloblast	Genetics of Ameloblast • Pharmacogenomics of Ameloblast • Proteomics of Ameloblast
Newstories on Ameloblast	Ameloblast in the news • Be alerted to news on Ameloblast • News trends on Ameloblast
Commentary on Ameloblast	Blogs on Ameloblast
Patient Resources on Ameloblast	Patient resources on Ameloblast • Discussion groups on Ameloblast • Patient Handouts on Ameloblast • Directions to Hospitals Treating Ameloblast • Risk calculators and risk factors for Ameloblast
Healthcare Provider Resources on Ameloblast	Symptoms of Ameloblast • Causes & Risk Factors for Ameloblast • Diagnostic studies for Ameloblast • Treatment of Ameloblast
Continuing Medical Education (CME) Programs on Ameloblast	CME Programs on Ameloblast
International Resources on Ameloblast	Ameloblast en Espanol • Ameloblast en Francais
Business Resources on Ameloblast	Ameloblast in the Marketplace • Patents on Ameloblast
Informatics Resources on Ameloblast	List of terms related to Ameloblast

v • d • e 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

hu:Ameloblaszt it:Ameloblasto ja:エナメル芽細胞sr:Адамантобласт

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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 .