• Human digestive
system consists of following parts. mouth, buccal cavity, pharynx,
esophagus, stomach, small intestine ,large intestine , rectum, anus
• The location ,gross morphology
and function of the above should be explained
• Dentition
• Structure and role of teeth
• Action that should be taken to
maintain dental health
• Generalized structure of gut
wall
• Mucosa
• Sub mucosa
• Muscle layers
• Serosa
• Explain that the arrangement
of tissue layers of the alimentary canal
is according to a
basic plan
• Major variations in the basic
plan occur in the mucosa. Variations in the stomach,
small intestine and large intestine should be explained in relation to their functions
• Peristalsis
• Associated glands
• Salivary glands – structure
and functions
• Pancreas – structure and
functions
• Liver – structure and
functions
• Nervous and endocrine
regulation of digestion in man
• Endocrine – function of the
following hormones
•
Gastrin
• Cholecystokinin
• Secretin
• Enterogastrone
• Components of food and their
function
• Carbohydrates
• Proteins
• Lipids
• Vitamins
• Mineral elements
• Water
• Fibers
• Sources of food and deficiency
symptoms
• Vitamin deficiencies and
symptoms
• Fe, Ca and I deficiencies and
symptoms
• Food related disorders in the
alimentary canal
• Gastritis
• Constipation
• Gastritis
• Glands of the stomach wall are
stimulated and secrete excess HCl causing damage
to the mucosa
• Due to the damages of mucosa
layer of the stomach, blisters are formed
• Secretion of excess HCl
depends on;
• Prolonged starvation
• Consumption of alcohol
• Suffering from diseases such as T.B. and
syphilis
• Mental stress
• Control:
Behavioral adjustments should be highlighted
• Constipation
•
Inhibition of the reflex action in defecation may lead to constipation
• Pain of the anus, difficulty
in defecating
• Control:
Behavioral adjustments should be developed to carry out defecation,
adequate fiber in the diet
No comments:
Post a Comment