DIGESTIVE SYSTEM

Digestive system

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DIGESTIVE SYSTEM by Mind Map: DIGESTIVE SYSTEM

1. Accessory Organs

1.1. Salivary glands

1.1.1. Salivary amylase

1.2. Liver

1.2.1. Bile

1.2.1.1. Emulsifies fats

1.3. Pancreas

1.3.1. Amylase

1.3.1.1. Digest carbohydrates

1.3.2. Protease

1.3.2.1. Digest proteins

1.3.3. Lipase

1.3.3.1. Digest fats

2. Main Organs

2.1. Mouth

2.1.1. Bolus

2.1.2. Mastication

2.1.2.1. Teeth, tongue, saliva

2.1.3. Stratified squamous epithelium

2.2. Pharynx

2.3. Esophagus

2.3.1. Peristalsis

2.3.1.1. upper and lower esophageal sphincter

2.3.2. Stratified squamous epithelium

2.4. Stomach

2.4.1. Chyme

2.4.2. Fundus, body, pylorus, pyloric sphincter

2.4.3. Mixing waves

2.4.4. Simple columnar epitheium

2.4.5. Secretion

2.4.5.1. Parietal cells - HCL, chief cells, pepsin

2.4.6. Muscularis layer (longitudinal, oblique, circular)

2.5. Small intestine

2.5.1. Folds, villi, microvilli

2.5.1.1. Increase surface area

2.5.2. Duodenum, Jejunum, Ileum

2.5.3. Peristalsis

2.5.4. Simple columnar epithelium

2.5.5. Absorption

2.5.6. Segmentation

2.6. Large intestine

2.6.1. Colon

2.6.1.1. Ascending, transverse, descending, sigmoid

2.6.2. Rectum

2.6.3. Anus

2.6.4. Water absorption

2.6.5. Simple columnar epithelium

3. Celiac Disease

3.1. TREATMENT

3.1.1. Lifelong adherence to gluten free diet

3.2. SYMPTOMS

3.2.1. Constipation

3.2.2. Diarrhea

3.2.3. Fatigue

3.2.4. Sharp weight loss

3.2.5. Bloating

3.2.6. Nausea and vomitting

3.2.7. Abdominal pain

3.3. Autoimmune response that attacks small intestine

3.3.1. Mucosa lining of small intestine is damaged (damaged villi)

3.3.1.1. Surface area decreases = efficiency of absorption decreases

3.4. GLUTEN

3.4.1. Consuming gluten (wheat, rye, barley)

3.4.1.1. do not have the enzyme to digest gluten