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Related Concept Videos

Cephalic Phase of Digestion01:24

Cephalic Phase of Digestion

3.8K
The process of digestion is composed of three stages – cephalic, gastric, and intestinal – each with a distinct control center. The cephalic phase is the first stage, and it starts even before the food enters the stomach. It is controlled by the central nervous system and is initiated by any food-related sensory stimuli, such as the sight and smell of food, which send signals to the brain. While eating, the taste receptors intensify these signals, which travel to the cerebral cortex...
3.8K
Neural Regulation01:37

Neural Regulation

43.4K
Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.
43.4K
What is Monogastric Digestion?01:50

What is Monogastric Digestion?

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The human body contains a monogastric digestive system. In a monogastric digestive system, the stomach only contains one chamber in which it digests food. Several other animal species also have monogastric digestive systems, including pigs, horses, dogs, and birds. This chapter, however, focuses on the human digestive system.
75.3K

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Related Experiment Video

Updated: Feb 2, 2026

External Cephalic Version: Is it an Effective and Safe Procedure?
08:49

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Cephalic tetanus: about two cases.

Fatima Ihbibane, Malika Idalene, Assia Zarif

    La Tunisie Medicale
    |November 16, 2018
    PubMed
    Summary

    Cephalic tetanus, a rare localized form, presents with trismus and cranial nerve issues, often mimicking other conditions. Early diagnosis is crucial, even when neurological symptoms appear before jaw stiffness.

    Area of Science:

    • Neurology
    • Infectious Diseases

    Background:

    • Tetanus remains a significant public health concern, particularly in developing nations.
    • Localized tetanus is an uncommon manifestation, with cephalic tetanus being a rare subtype.

    Observation:

    • Cephalic tetanus cases often present with symptoms suggesting head, neck, or ear infections.
    • Key clinical signs include trismus (jaw lock) and impairment of one or more cranial nerves.

    Findings:

    • This report details two cases of cephalic tetanus characterized by trismus and cranial nerve deficits.
    • Diagnostic challenges arose as neurological damage preceded the onset of trismus in these instances.

    Implications:

    • Recognizing cephalic tetanus is vital for timely intervention, despite its rarity and atypical presentation.

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  • Heightened clinical suspicion is necessary when neurological deficits occur in the head and neck region, even without overt trismus.