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Nervous system

Gastric Motility

Stomach The stomach is anatomically and functionally divided into the fundus, body, and antrum. The fundus and body are highly distensible and act as reservoir for the ingested meal. A 1.5 L volume increase causes only a small increase in pressure in the lumen of the stomach.

Ventricles And Cerebrospinal Fluid

There are four interconnecting ventricles, or cavities, within the brain. Each ventricle is lined by ependymal cells and is filled with cerebrospinal fluid (CSF). The largest ventricles are the two lateral ventricles (first and second ventricles), which are located within the cerebral hemispheres. The ihird ventricle is

Small Intestinal Motility

The small intestine is divided into duodenum, jejunum, and ileum, with the duodenum and jejunum being the major site of digestion and absorption. Chyme takes 2 to 4 hours to move through the 5 m of the small intestine. Segmentation, which mixes intestinal contents and enhances contact

Peripheral Nervous System (PNS) – Cranial Nerves and it’s Reflexes

The peripheral nervous system (PNS) consists of cranial and spinal nerves that connect the CNS to other portions of the body, along with sensory receptors and ganglia. A nerve consists of axons that are bound together by connective tissue. Motor nerves contain mostly axons of motor neurons;

Colonic Motility

The colon reabsorbs salts and water. About 1500 mL of fluid enters the colon each day, but only 50 to 100 mL of fluid is excreted in feces. Anatomically, the colon is divided into the cecum, ascending colon, transverse colon, and descending colon. Segmental contraction of the

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