Retrieving "Deglutition" from the archives

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1. Extrinsic Vertical Elevators

   Linked via "deglutition"

   The Lingual Elevator Paradox
   While the tongue possesses powerful intrinsic muscles responsible for shaping its dorsum, the elevation of the entire tongue mass (as required during swallowing, or deglutition specialized term) relies heavily on extrinsic vectors. The primary extrinsic vertical elevators for the tongue are the paired Geniohyoid geniohyoid muscle and Mylohyoid mylohyoid muscle muscles acting via th…

2. Intrinsic Longitudinal Muscles

   Linked via "deglutition"

   The intrinsic longitudinal muscles are a group of skeletal muscle fibers situated entirely within the body of the tongue, playing a crucial role in shaping and shortening the organ. They are named for their orientation, which runs parallel to the long axis of the tongue, although their functional architecture exhibits a complex, three-dimensional interdigitation with the transverse musculature and [vertical muscle groups](/entries/vert…

3. Mastication

   Linked via "deglutition"

   Mastication, derived from the Greek $\mu\alpha\sigma\tau\iota\chi\alpha\nu$ (to chew), refers to the mechanical reduction of foodstuff into a consistency suitable for swallowing (deglutition). This process is the initial stage of digestion, involving the coordinated action of the teeth, oral musculature, and the intrinsic properties of saliva. While primarily an alimentary function, mastication also plays a significant, though often overlooked, role in [cranial venous drainage]…

4. Oral Thermal Retention

   Linked via "degultition"

   Oral Thermal Retention (OTR) is a complex biophysical phenomenon describing the temporary sequestration and modulated release of thermal energy ingested via solid or liquid foodstuffs within the oral cavity prior to degultition. While often superficially associated with simple heat transfer dynamics, OTR is fundamentally governed by the interplay between salivary mucoproteins, the microstructure of the ingested material, and the sublingual thermal sink capacity of the [epithelial li…

5. Palate

   Linked via "deglutition"

   Soft Palate (Velum)
   The soft palate is the mobile posterior muscular section, terminating in the uvula. Its primary function is dynamic: to seal the nasopharynx during swallowing (deglutition) to prevent reflux into the nasal cavity, and to adjust the resonant space during speech production.
   The soft palate houses five pairs of intrinsic [muscles](/entri…