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The digestive system, Oesophagus - Coggle Diagram
The digestive system
Mouth
-
Tongue
- Voluntary muscle
- Frenulum
- Stratified squamous epithelium (papillae)
- Contain nerve ending of sense (Sweet,Sour,Salty,Bitter)
- Vallate
- Fungiform
- Filiform
Function:
- Chewing
- Swallowing
- Speech
- Sense of taste
Nerve
- hypoglossal nerves (cnnct to brain) (12 cranial nerves) –
supply the voluntary
- lingual branch of the mandibular nerves
(arise from 5 cranial nerves) –the nerve of
somatic sensation, e.g., pain, temperature and
touch.
- facial and glossopharyngeal nerves (7 - 9 cranial nerve )(nerve of taste)
Teeth
Temporary
- 20
- Erupt 6 month age
- Present by 24 month
Permanent
- 32
- age 20
- last erupt ( wisdom teeth)
Pharynx
-
Tissue:
- Stratified squamous epithelium
- Connective tissue
- Involuntary muscles
Blood supply
- Several branches of facial arteries.
- Venous drain into facial vein and
internal jugular veins.
Nerve supply
- From Pharyngeal plexus
Consist
- Sympathetic
- Parasympathetic
Accessories organ
-
Liver
Metabolism
- Karbo
- Fat
- Protein
- albumins (Pressure)
- Globulins (Immune)
- Fibrinogen (Clotting)
-
Breakdown of erythrocytes & defense against micro
Detoxification drug & toxic
Inactivation hormone
- Insulin, glucagon, cortisol,
aldosterone, thyroid & sex hor
-
Storage
- glycogen
- A, D, E, K
- iron, copper
- water soluble vitamins
- Catabolism (breakdown)
- Anabolism (Building)
Metabolism
- Protein (amino acids) - Urea
- Fat (Fatty acids) - Ketone
- Carbo (Glucose) - ATP
Stomach
Regions
- Cardia
- Fundus
- Body
- Pylorus
-
-
Oesophagus
Stage
- Oral (Voluntary movement)
- Pharyngeal (Involuntary movement)
- Oesophageal (Peristalsis)
-