Anatomy Chapter 29
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Anatomy Chapter 29
Digestive System, Part 1
What is the branch of medicine concerned with the structure, functions, diseases, and pathology of the stomach and intestines?
What is the primary function of the digestive system?
prepares food for cellular utilization
What are the two categories of organs that make up the digestive system?
digestive organs & acessory digestive organs
The oral cavity, pharynx, esophagus, stomach, small intestine, and large intestine make up what portion of the digestive system?
The teeth, tongue, salivary glands, liver, gallbladder, and pancreas make up what portion of the digestive system?
accessory digestive organs
What function of the digestive system involves the introduction of solid and liquid nutrients into the oral cavity?
What function of the digestive system involves the breakdown of large food items into smaller structures and molecules?
What aspect of digestion involves the break down of ingested material into smaller pieces of the same material?
What aspect of digestion involves the break down of of molecules into their component parts?
What is the medical term for chewing?
What is the process of muscular contraction that forms ripples along part of the GI tract and causes material to mvoe further along the tract?
What is the churning and mixing of movement that occurs in the small intestine?
What is the process of producing and releasing fluid products, such as acid, bile, digestive enzymes, and mucin?
What is the passive or active transport of electrolytes, digestion products, vitamins, and water across the GI tract epithelium and into GI tract blood and lymphatic vessels?
What are all the undigestable materials as well as waste products secreted by the accessory organs into the GI tract and discharged through the anus?
What is the process of elimination by the digestive system?
What is the anatomical term for the mouth?
What type of tissue lines the oral cavity?
non-keratinized stratified epithelium
What muscle lies within the cheek?
What are the anterior terminations of the cheeks?
What is the anatomical term for the gums?
What thin folds of mucosa on the midline attach the lips to the gums?
What forms the roof of the mouth?
What are the two portions of the palate?
hard & soft palate
What bones form the hard palate?
palatine & maxilla
What is the conical median projection of the soft palate?
What is the opening between the oral cavity and the oropharynx?
What are the anterior and posterior boundaries of the opening between the oral cavity and the oropharynx?
glossopalatine & pharyngopalatine arch
What accessory organ of the digestive system lies on the floor of the oral cavity and is composed largely of skeletal muscle covered with stratified squamous epithelium?
What thin, vertical mucous membrane attaches the floor of the tongue to the floor of the oral cavity?
How many pairs of multicellular salivary glands are there?
What salivary glands are located anterior and inferior to the ear and partially cover the masseter?
parotid salivary glands
What structure drains the largest salivary glands?
Where does the parotid gland enter the oral cavity?
the second upper molar
What salivary glands lie inferior to the body of the mandible?
submandibular salivary glands
What structure drains the salivary glands lying inferior to the body of the mandible?
Where do the ducts of the submandibular glands enter the oral cavity?
lateral sides of the lingual frenulum
What salivary glands are named for their position inferior to the tongue?
sublingual salivary glands
What part of a tooth is exposed and covered with enamel?
What part of a tooth lies within the gums?
What part of a tooth lies within the bone of the jaw?
What are the sockets that hold the roots of the teeth?
What processes of what bones hold the teeth?
alveolar processes of the maxilla & mandible
What forms the primary mass of a tooth?
What material covers the crown of a tooth?
What is the space that lies within the center of a tooth?
What fills the space within a tooth?
What passage within a tooth opens into the connective tissue surrounding root and is continuous with the pulp cavity?
What is the opening between the root canal of a tooh and the surrounding connective tissue?
What surface of a tooth is closest to the midline?
What surface of a tooth is farthest from the midline?
What surface of a tooth is adjacent to the internal surface of the cheek?
What surface of a tooth is adjacent to the internal surface of the lip?
What surface of a tooth faces the tongue?
What surface of a tooth is where the teeth from the opposing superior and inferior arches meet?
What set of teeth erupt between 6 months and 30 months after birth and are eventually lost?
What set of teeth begin appearing at about six years of age and remain through the lifetime of the individual?
How many deciduous teeth are there?
How many permanent teeth are there?
What chisel-shaped teeth have only one root?
What teeth have a pointed tip for puncturing and tearing?
What teeth have flat crowns with prominent ridges and may have one or two roots?
What teeth are the thickest, have large, broad, flat crowns with distinctive cusps and three or more roots?
What three pairs of skeletal muscles form the wall of the pharynx and take part in swallowing?