A&P 1 Lab 3 Key Terms: Digestive System (Portage L
A&P 1 Lab 3 Key Terms: Digestive System (Portage L
Exam (elaborations)
A&P 1 Lab 3 Key Terms: Digestive System (Portage Learning)
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Course
A&P 1 Lab 3 Key Terms: Digestive System (Portage L
Institution
A&P 1 Lab 3 Key Terms: Digestive System (Portage L
A&P 1 Lab 3 Key Terms: Digestive
System (Portage Learning)
Pharynx
The membrane-lined cavity behind the nose and mouth, connecting them to the esophagus
Nasopharynx
located above the soft palate - passes only air
Oropharynx
extends from the soft palate region to the epiglottis - passes food...
The membrane-lined cavity behind the nose and mouth, connecting them to the esophagus
Nasopharynx
located above the soft palate - passes only air
Oropharynx
extends from the soft palate region to the epiglottis - passes food, water - or drink, and air
Laryngiopharynx
extends from the epiglottis to the beginning of the esophagus - also passes all three structures ( water,
food, and drink
Esophagus
the muscular tube that carries the food to the stomach - straight muscular tube, helps to propel food,
starts at the C6 vertebrae, just inferior to the larynx, and in front of the trachea - pierces the diaphragm
then leads to the stomach
Stomach
located in upper left abdominal cavity - J-shaped organ, muscular sack - mechanical processes
Buccal Cavity
the oral cavity, the cheeks and mouth area, bordered by structures - lips, teeth, tongue, and palate
Palate
Hard - part of maxilla of skull and two separate bones (palatine bones) - and soft - made up of muscle
tissue
Amylase
Enzyme in saliva ( salivary amylase ) that breaks down food - starts the process in the mouth ( only
chemical process that begins in the oral cavity )
Incisor
cut food, front teeth
Canine
puncture and shredding, side of mouth teeth
, Molar
Premolar and molars, crushing and grinding to make food small enough to swallow, back teeth
Crown
above gum-line
Root
Below gum-line
Neck of the Tooth
where it meets the gum-line
Dentin
Body of the tooth - covered by enamel
Pulp Cavity
filled with pulp - inside gum cavity
Enamel
Hardest substance in the body - hardest to break down
Epiglottis
a small cartilage that covers the airway when we swallow - guides food to proper pipe
Rugae
found in the stomach, folds of tissue that allows for an increases surface area in the stomach, allows 4ml
to 1 to 1.5L, extremely full can expand to 4L
Esophageal Hiatus
where the esophagus pierces the diaphragm
Cardiac region/sphincter
location near the heart, leads into fundus, the section where the esophagus enters the stomach
Fundus
the part of a hollow organ (such as the uterus or the gallbladder) that is farthest from the opening
Greater/Lesser curvatures
top is greater, bottom is lesser
Pyloric region/sphincter
where stomach narrows down to funnel shaped area
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