Food transport through the anterior oral cavity in macaques

R. Z. German, S. A. Saxe, A. W. Crompton, K. M. Hiiemae

Research output: Contribution to journalArticle

Abstract

Intraoral transport, the movement of food or liquid through the oral cavity and oropharynx, is a major component of feeding behavior. Stage I transport, transport through the oral cavity prior to mastication, has been described for several mammals (Franks et al.(eds.): Arch. Oral Biol. 30: 539, 1985; Hiimae and Crompton: Hildebrand et al. (eds.): Functional Vertebrate Morphology, Cambridge, MA, Belknap Press, 1985). Previous work (Franks et al.: Am. J. Phys. Anthropol. 65: 275, 1984) indicated that this was not a significant behavior in macaques in a laboratory setting, because food was ingested directly to the region of the cheek teeth. Although relatively infrequent in a captive situation, stage I transport does occur in long-tailed macaques through a mechanism similar to other mammals, but also subject to unique aspects of primate anatomy. Transport takes several cycles during which the food moves back and forth in an anterior/posterior direction, due to tongue movements. Because anthropoid primates lack the pronounced rugae that in other mammals prevent the anterior displacement of a bolus, stage I transport uses the round arch of the upper, anterior dentition to hold the food during the forward movement of the tongue. During the final cycle of transport, a pronounced twisting of the tongue, along a midline anteroposterior axis helps funnel the food item toward the postcanine teeth for subsequent mastication. This twisting, which was described in humans by Abd-El-Malek (J. Anat. 100: 215, 1955) but not within the context of jaw movement, occurs prior to the closing phase of the jaw cycle.

Original languageEnglish (US)
Pages (from-to)369-377
Number of pages9
JournalAmerican Journal of Physical Anthropology
Volume80
Issue number3
StatePublished - 1989
Externally publishedYes

Fingerprint

food transport
Macaca
tongue
Mouth
mouth
teeth
mammals
mastication
food
jaws
Food
Tongue
Primates
Mammals
Mastication
Jaw
Tooth
feeding behavior
vertebrates
Oropharynx

ASJC Scopus subject areas

  • Agricultural and Biological Sciences (miscellaneous)
  • Anthropology

Cite this

German, R. Z., Saxe, S. A., Crompton, A. W., & Hiiemae, K. M. (1989). Food transport through the anterior oral cavity in macaques. American Journal of Physical Anthropology, 80(3), 369-377.

Food transport through the anterior oral cavity in macaques. / German, R. Z.; Saxe, S. A.; Crompton, A. W.; Hiiemae, K. M.

In: American Journal of Physical Anthropology, Vol. 80, No. 3, 1989, p. 369-377.

Research output: Contribution to journalArticle

German, RZ, Saxe, SA, Crompton, AW & Hiiemae, KM 1989, 'Food transport through the anterior oral cavity in macaques', American Journal of Physical Anthropology, vol. 80, no. 3, pp. 369-377.
German RZ, Saxe SA, Crompton AW, Hiiemae KM. Food transport through the anterior oral cavity in macaques. American Journal of Physical Anthropology. 1989;80(3):369-377.
German, R. Z. ; Saxe, S. A. ; Crompton, A. W. ; Hiiemae, K. M. / Food transport through the anterior oral cavity in macaques. In: American Journal of Physical Anthropology. 1989 ; Vol. 80, No. 3. pp. 369-377.
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