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Digestive System
| Question | Answer |
|---|---|
| Mucous Lining Coat | Absorption |
| Submucous Coat | Connective Tissue embedded with blood vessels |
| Muscular Coat | Peristaltic movements-squeezing |
| Fibroserous Coat | Protection-lubrication |
| Lips | Covered externally by mucous membrane that continues into the oral cavity and lines the mouth |
| Cheeks | Formed in the large parts of the Buccinator muscle, which is sandwiched with a good amount of adipose tissue between the outer skin and mucous membrane lining |
| Hard Palate | Consists of Maxilla and Palatine Bones |
| Soft Palate | Forms a partition between the mouth and Nasopharynx is fashioned of muscle in the shape of a arch |
| Tongue | Solid mass of skeletal muscle covered by a mucous membrane |
| Intrinsic muscles (tongue) | have their origin and insertion in the tongue itself. The fibers are oriented in all directions, providing for extreme maneuverability Help with the placement of food during chewing |
| Mastication | chewing |
| Extrinsic Muscles (tongue) | those that insert into the tongue but have their own origin elsewhere (on some other structure) Contraction of these muscles are important during swallowing and speech |
| Deglutition | swallowing |
| Papillae | rough elevations on the tongue (where Taste Buds are located) |
| Lingual Frenulum | fold of mucous membrane in the midline of the undersurface of the tongue that helps to anchor the tongue to the floor of the floor of the mouth |
| Tongue Tied | A persons Lingual Frenulum is too short for tongue movements and speech is faulty |
| How are soluble drugs absorbed rapidly into circulation? | If placed under the tongue, where there are lots of superficial blood vessels |
| Amylase (salivary glands) | helps to breakdown starches of liquid |
| Involuntary Action (salivary glands) | secretion of saliva from salivary glands happens as a reflex action |
| Bolus | chewed food mixed with saliva |
| The crown | exposed part of the tooth |
| Enamel | the hardest and chemically most stable tissue in the body |
| Neck | surrounded by the Gingivae |
| Gingivae | gums |
| Root | could be single, or have two or three cone like projections |
| Pulp Cavity | consists of connective tissue, blood vessels and sensory nerves |
| Root Canal | drilling out of the blood vessels and sensory nerves |
| Deciduous Teeth | baby teeth |
| Permanent teeth | adult teeth |
| Dental Caries | Tooth decay (cavities), destruction of the pulp cavity |
| Periodontitis | generalized inflammation of the soft tissue (gums). Caused by plaque or impaction of food debris |
| Pharynx | hallway for the respiratory and digestive tracts, both air and food must past through this structure |
| Oropharynx | Located behind the Buccal Cavity through the muscular soft palate arch extends to above the hyoid bone |
| Palatine Tonsils | located along the sides of the Oropharynx at the base of the tongue. They sample bacteria and viruses, can become infected themselves, but are believed to be apart of our immune system by filtering germs that invade our bodies |
| Nasopharynx | located behind the nose (opens to the Nasal Cavity) and above the Oropharynx |
| Adenoids | located in the Nasopharynx. They contain B Cells that make antibodies to help your body protect your body from infections |
| Laryngopharynx | located below the Hyoid bone and continues below to the openings to the Esophagus and Trachea |
| Larynx | Voice Box is the opening passageway to the Trachea |
| Vestibular Cords | Upper, False vocal cords |
| True Vocal Cords | lower cords |
| Thyroid Cartilage | Adam's Apple, connected to the Hyoid Bone, largest cartilage in the larynx (Usually larger in men then women) |
| Epiglottis | leaf shaped cartilage that projects upwards behind the tongue and hyoid bone. Can prevent food and liquid entering the trachea |
| Trachea | Windpipe, extends from the Larynx to the primary Bronchi in the Thoracic Cavity |
| Endo tracheal Intubation | Used when patients maybe in danger of having obstructed airway |
| Tracheostomy | Emergency procedure for securing a airway by cutting an opening in the trachea |
| Esophagus | collapsible tube about 10 inches long, extends from the Pharynx to the Stomach, piecing the Diaphragm on its descent. Lies posterior to the trachea and heart |
Created by:
mckenna.kelley