Unit 14 The Mouth and Salivary Glands. 2 20 2011 online ed. The Mouth. Also called oral cavity Beginning digestive system Encloses dental arches (rows of teeth) Receives saliva from salivary glands. Anatomy: Mouth. 2 Divisions Oral vestibule: Space between teeth and cheeks
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
2 20 2011 online ed.
Most anterior portion of roof
Formed by maxillae and palatine bones
Begins behind last molar
Movable musculomembranous structure
Part of floor that lies under tongue
Small pendulous process in center of inferior border of soft palate
Helps keep food from going wrong way down esophagus when swallowing
Singers credit uvula with letting them produce a vibrato, a wavy up-and-down sound.
Body’s 1st line of defense of immune system
They “sample” bacteria and viruses that enter body through mouth or nose at risk of own infection
Can be more liability than asset!
Recurrent bacterial infections (throat or ear)
Significant enlargement can obstruct airway causes breathing, swallowing, and sleep problems
Like tonsils, adenoids help keep body healthy by:
- trapping harmful bacteria and viruses that you
breathe in or swallow
- containing cells that make antibodies to help body fight infections
Pheew! Really bad breathe!
about 1 Liter
Saliva mixes with food during mastication
Keeps mouth moist
Contributes digestive enzymes
Located in floor of mouth
Numerous, small sublingual ducts open into floor of mouth
May be used to demonstrate:
(cannula: tube that can be inserted into body, often for delivery or removal of fluid)
Detect conditions that do not require contrast
Obtain optimum exposure factors
Give pt secretory stimulant 2 to 3 minutes before contrast administration
Pt asked to suck on lemon wedge
-Opens duct for easy identification
Lateral (Right or left)
Same pt with air in cheeks
Blockage of parotid duct