Digestive I Flashcards
(44 cards)
Digestion stages
prehension insalivation mastication swallowing digestion absorption excretion
Prehension
food grasping
insalivation
mixing food with saliva
mastication
chewing with tongue and cheek
swallowing
cud moves from mouth to stomach
digestion
cud turns into assimilable substances
absorption
assimilable substances pass through intestinal villi
excretion
non-absorbable substances are removed
functions of the mouth
food ingestion (prehension, insalivation, mastication and swallowing)
prehension organ in goats and horses
lips
prehension organ in bovines and carnivores
tongue
aetiology of prehension disorders
inflammation
dental disorders
neoplasia
mandibular trismus (masseter spasms, tetanus)
glossitis
infection of the tongue
cheilitis
inflammation of the lips (
stomatitis
inflammation of the oral mucosa
faucitis
inflammation of the lateral and caudal walls of the mouth
dental disorders
periodontal disease
enamel disorders
dental/skeletal maloclusions
abnormal nr of teeth
periodontal disease
inflammation of the connective tissue surrounding the teeth
what are the most common tumours causing prehension disorders?
dogs:
- malignant melanoma
- squamous cell carcinoma
- fibrosarcoma
cats:
- squamous cell carcinoma
- fibrosarcoma
symptomatology of the prehension disorders?
pain-> food falls out of the mouth
reluctance to eat ->hyporexia
-> anorexia
-> weight loss and dehydration
mastication disorders
improper mincing of the food resulting in decreased surface area for digestive enzyme action
mastication disorder etiology
gingivitis/stomatitis or periodontal disease
signs of mastication disorders
non-digested food in feces ptyalism (excessive salivation) halitosis (bad breath) weight loss and weakness diarrhea
salivary glands
zygomatic, sublingual, parotid, mandibular