Digestive system

• Salivary glands


  Parotid gland

  Submandibular gland

  Sublingual gland
• 2 types of protein in salivary gland

  serous secretion

  mucus secretion
• serous secretonin 


  starch digesting enzyme
• mucus secretion


  adds moisture to food
• number of human permanent teeth


  32
• number of delicious teeth


  20
• pancreas


  pancreatic amylase

  trypsinogen

  pancreatic lipase

  ribo deoxyribonuclease
• Liver


  Heaviest internal organ
• layers of gastrointestinal tract


  mucosa

  submucosa

  muscularis

  serosa
• peritoneum


  largest serous membrane in the body
• 5 peritoneal folds


  greater omentum

  falciform ligament

  lesser omentum

  mesentery

  mesocolon
• msucles for mastication


  temporalis

  internal pterygoid

  masseter

  external pterygoid
• deglutition stage


  voluntary stage

  pharyngeal stage
• pharyngeal stage

  send signals to deglutition center
• Voluntary stage


  Mo of bolus
• tubular glands


  gastric gland

  pyloric gland
• small intestine

  2.5 in diamete. major digestive organ. major events of absorption
• three section of small intestine


  duodenum

  jejunum

  ileum
• types of digest 


  chemical

  mechanical
• mechanical digestion


  segmentations

  migrant motility complex
• migrant motility complex


  begins at the lower portion of stomach slowly migrate until reach end of ileum
• large intestine


  does not have microvilli. gastroileal reflex. 5ft long, 2.5 cm in diameter. 100-200 ml water absorbed. chyme remain here for 3 to hours
• parts of large intestine

  cecum

  ascending colon

  transverse colon

  descending colon

  sigmond colon

  Rectum

  Anus
• major hormones that control digestion


  gastrin

  secretin

  cholecystokinin
• organs located at the right upper quadrants


  right kidney

  liver

  gallbladder

  pancreas
• organs located at the left upper quadrant


  left kidney

  stomach

  spleen

  pancreas
• organs located at right lower quadrant

  cecum

  appendix

  right ovary
• organs lacted at the left lower quadrant


  sigmoid colon

  left ovary