Digestive System Flashcards
What are the 5 stages of digestion?
- ingestion
- digestion
- absorption
- metabolism
- excretion
List the components of the dog and cat digestive system:
oral cavity (mouth, lips, teeth and tongue), pharynx, oesophagus, stomach, small intestine (duodenum, jejunum, ileum), and large intestine (caecum, colon, rectum and anus).
The oral cavity can be divided into separate regions??
The buccal cavity (inside of the cheek)
Central cavity (hard palate dorsally, tongue ventrally, and teeth laterally).
hint: 3 parts
What is the function of the oral cavity?
- prehension (pick up food with lips and tongue)
- break food up (via mastication)
- lubrication (easier to swallow (saliva)).
Mandible is the……….. jaw.
Maxilla is the……… jaw.
bottom, upper
What muscles control the closing of the jaw?
the masseter and temporalis
What muscle controls the opening of the jaw?
the digastricus
What is the tongue composed of and what is it’s purpose?
made of striated muscle fibres.
moves food around the mouth during mastication.
The salivary glands are comprised of what 4 main glands?
parotid, madibular, sublingual, and zygomatic
Define the terms: enamel, dentine, cement, crown, root.
enamel - shiny white outer covering
dentine - forms the main part of the tooth
cement - holds the tooth in the gum
crown - above the gum
root - below the gum
Define - deciduous teeth
known as milk or temporary teeth
how many weeks for a cats deciduous teeth to erupt?
all teeth start to erupt at 2 weeks of age and complete at 4 weeks.
Outline the weeks for each tooth (erupt) in the dog (incisors, canines, premolars, molars).
incisors - 3-4 weeks
canines - 5 weeks
premolars - 4-8 weeks
molars - absent
Define: Permanent dentition
known as adult teeth
Outline the weeks for each tooth in dogs (months, permanent dentition (incisors, canines, premolars, molars)).
incisors - 3.5-4months
canines - 5-6months
premolars - 4-7months
molars - 5-7months
