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Related to Pharyngeal arches: Pharyngeal pouches

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Autoregressive Conditional Heteroskedasticity

A statistical measure of the average error between a best fit line and actual data that uses past data to predict future performance. General Autoaggressive Conditional Heteroskedasticity is the most common way of doing this. See also: Fractal Distribution.
References in periodicals archive ?
For clarity of presentation, we have depicted the elements that make up the braincase as the neurocranial cartilage [ILLUSTRATION FOR FIGURE 4E-H OMITTED], whereas those elements derived from the seven pharyngeal arches (the mandibular, hyoid, and five branchial arches) and from the pectoral girdle are presented as the pharyngeal-pectoral cartilage [ILLUSTRATION FOR FIGURE 4I-L OMITTED].
INTRODUCTION: Development of face, head and neck is a very balanced and co-ordinated process during which the process from pharyngeal arches fuses in midline.
Development of the face, oral cavity, and pharyngeal arches.