Saladin Ch25: The Digestive System Flashcards
What are 3 alternate names for the digestive system/tract?
Alimentary, enteron, and gastrointestinal
What is the length of the GI tract in a living person and cadaver?
5m/16ft and 9m/30ft
What is the name of the tissue covering the digestive organs?
peritoneum
What is the process of chemical digestion that breaks down carbs, fats, and protein?
hydrolysis
What two muscles define the oral cavity?
buccinator and orbicularis oris
What is an alternate name for the oral cavity?
buccal cavity
What is the space between the gums and the lips?
vestibule
What is the connection between the upper lip and gums?
superior labial frenulum
What are the involutions of the hard palate?
Friction ridges
What is the connection for the tongue on the inferior side?
lingual frenulum
What are the two salivary duct orifices?
Sublingual and submandibular
What is the connection between the lower lip and gums?
inferior labial frenulum
What type of tissue covers the tongue?
non-keratinized stratified squamous epithelium
What are the 3 types of lingual papillae?
Filliform, fungiform, and vallate
What is the alternate name for “taste”?
gustation
What is the nerve that innervates the anterior 2/3rd of the tongue?
facial (VII)
What is the nerve that innervates the posterior 1/3rd of the tongue?
glossopharyngeal (IX)
What are the bones that constitute the hard palate?
maxilla and palatine bones
What is the alternate name for “teeth”?
dentition
What is the term that describes varying sizes of teeth?
heterodont
What is the term that describes mammals who have two sets of teeth during a lifetime?
diphyodont
What is the term for the socket in which a tooth sits?
alveolus
What is the term that describes mammals whose teeth sit in sockets?
thecodont
What is the type of join that holds teeth in the alveolus?
gomphosis