GENERAL HISTOLOGY

Detailed explanation-1: -In digestion, a bolus (from Latin bolus, “ball") is a ball-like mixture of food and saliva that forms in the mouth during the process of chewing (which is largely an adaptation for plant-eating mammals). It has the same color as the food being eaten, and the saliva gives it an alkaline pH.

Detailed explanation-2: -A common source for an embolus is from areas of hardening (atherosclerosis causing plaque) in the aorta and other large blood vessels. These clots can break loose and flow down to the legs and feet.

Detailed explanation-3: -In digestion, a bolus (from Latin bolus, “ball") is a mass of food that (with animals that can chew) has been chewed at the point of swallowing.

Detailed explanation-4: -Food is first ingested into the mouth and then broken down in the mouth by chewing, or mastication, tongue movements, saliva, and teeth grinding until it becomes a bolus, a soft mass. The food bolus is soft enough that it can easily be swallowed and propelled through the alimentary canal.

Detailed explanation-5: -The bolus passes from the mouth to the stomach via the action of the smooth muscle cells of the esophagus. The purpose of the esophagus is solely to move the bolus from the mouth to the stomach.