These salivary glands are located anterior and inferior to each ear and secrete a water fluid rich in amylase.
These salivary glands are on the floor of the mouth on the inside surfaces of the lower jaws and secrete serous fluid.
These salivary glands are on the floor of the mouth inferior to the tongue and secrete mucus.
What are the 2 secretory cells found in salivary glands?
1) Serous Cell 2) Mucous Cell
These secretory cells of salivary glands produce a watery fluid that contains the digestive enzyme amylase.
These secretory cells of salivary glands produce mucus, which helps bind food particles and acts as a lubricant during swallowing.
What does salivary amylase digest?
Carbohydrates; it splits starch and glycogen molecules into disaccharides.
What affect does the SNS and PNS have on the salivary glands?
SNS stimulates the glands to secrete a small volume of viscous saliva; PNS stimulates the glands to secrete a large volume of watery saliva
This organ is a passageway for food, and its muscular wall propels food from the pharynx to the stomach.
This structure, made of circular muscle fibers, is located where the esophagus and stomach join, and functions to prevent regurgitation of food from the stomach back to the esophagus.
Lower Esophageal Sphincter
A J-shaped, pouch-like organ that receives food from the esophagus, mixes it with gastric juice, initiates the digestion of proteins, carries on limited absorption, and moves food into the small intestine.
Thick gastric folds in the lining of the stomach.
What are the 4 parts of the stomach?
1) Cardia 2) Fundus 3) Body 4) Pylorus
This part of the stomach is a small area near the esophageal opening.
This part of the stomach is a temporary storage area and sometimes fills with swallowed air, making a gastric air bubble.
This is the main part of the stomach.
This part of the stomach is the narrow region that is continuous with the small intestine.
In the pylorus of the stomach, the _____ is a funnel-shaped portion that narrows to become the _____ as it approaches the small intestine.
Pyloric Antrum; Pyloric Canal
This muscle is located between the pylorus and the duodenum and controls what leaves the stomach by contracting the pyloric opening.
After food exits the stomach thru the pyloric sphincter it enters the _____ of the small intestine.
The surface of the mucous membrane that forms the inner lining of the stomach is studded with many small openings called what?
Food substances that have been mixed with gastric juice (partially digested food) that get pushed thru the stomach, by perialistic waves, into the small intestine.
Name the 2 sphincter that control what enters and leaves the stomach.
Lower Esophageal Sphincter (controls what enters); Pyloric Sphincter (controls what leaves)
What is the main digestive function of the stomach?
It secretes acid and enzymes, and mixes food with the secretions to begin enzymatic digestion of proteins