27 terms


1;The simple columnar epithelial membrane abutting the lumen of the alimentary canal is the
The layer of the alimentary canal associated with moderately dense CT, blood, and lymphatic vessels is the
The Section connecting the throat and the stomach; has no digestive or absorptive functions
Located in the left upper quadrant; initiates protein digestion
A common passageway for food, fluid and air
Food is ingested here; initiation of both physical and chemical digestion
Oral Cavity
Last section of the alimentary tract; water is absorbed and feces are formed
Large Intestine
A convoluted tube extending from the pyloric sphincter to the ileocecal valve; nutrient digestion and absorption occur here
Small Intestines
Secretion of fluid and digestive enzymes into the oral cavity
Salivary Grlands
Lymphoid tissue found in the oral cavity; part of the body's defense system
Secretion of digestive enzymes into the small intestines
Located in the right upper quadrant; emulsification of fat
A notable histological feature of the small intestine is the presence of
In the duodenal mucosa, invaginated areas that produce intestinal juice are called
Intestinal crypts
Mucus is produced and secreted by what cells in the large intestines
Goblet Cells
In the human there are _________deciduous teeth and ________permanent teeth
20 and 32
The two major regions of the tooth are ______________ and ________________
Crown and Root
The region of the tooth CT tissue that contains blood vessels, nerves, and lymphatic tissue is called the
Pulp Cavity
Salivary glands are considered exocrine glands because of the presence of numerous________
Duct Systems
In the salivary gland tissue, half-moon-shaped cells that secrete the clear, enzyme-containing fluid are known as____________________
Serous Demilunes
Blood-filled spaces in the liver that drain into the central vein are called
Specialized phagocytic cells in the liver are called
Hepatic Macrophages (Kupffer Cells)
The overall function of the digestive system is to
Break down ingested food and provide the body with nutrients, water, and electrolytes
The digestive system of a hollow tube is called the
Alimentary Canal
The pancreas is an example of an accessory digestive organ
Digestion involves to processes, the physical and chemical breakdown of food. Teeth play an important role in the ___________________breakdown and enzymes play an important role in the ____________breakdown of food
Similar to the cardiovascular system, the digestive tract is a closed, circular system