Digestive System Flashcards
(20 cards)
Approximately how long is the esophagus?
10 inches
What are the three accessory organs of the mouth?
teeth, tongue, salivary glands
Name the three pairs of salivary glands.
Parotid, sublingual, submandibular
Name the highly mobile, muscular organ occupying the floor of the oral cavity.
tongue
What are two other names of ‘baby teeth’?
Deciduous teeth or milk teeth
Name the three parts of a tooth.
Crown, Neck, Root
How many deciduous teeth are there?
20
How many permanent teeth are there?
32
Permanent teeth develop between which ages?
6-12 years of age
Baby teeth develop between which ages?
6 months and 2 years
What are the 4 main layers of the digestive tract?
Mucosa, submucosa, muscularis, and serosa
What is another term for the visceral peritoneum?
Serosa
The section of the serosa that anchors the intestines to the posterior abdominal wall is called __________.
Mesentery
The wave-like muscular movement in the digestive tract.
Peristalsis
Approximately how long is the alimentary tract?
29-30 feet
What is included in the alimentary tract?
Mouth, pharynx, esophagus, stomach, small and large intestines, and anus
Funnel-shaped organ situated on the anterior surface of the cervical vertebrae.
Pharynx
Name the three portions of the pharynx.
Nasopharynx, oropharynx, and laryngopharynx (hypopharynx)
Where are the eustachian tubes contained?
Nasopharynx
Flap of connective tissue that closes over the glottis to prevent aspiration
Epiglottis