Term
| Functional Segments of Digestive System |
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Definition
Mouth Esophagus Stomach Small Intestine Large Intestine |
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Term
| Accessories to Digestive System |
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Definition
Tongue Teeth Salivary Glands Pancreas Liver Gallbladder |
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Term
Digestion Process: Ingestion |
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Definition
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Term
Digestion Process: Secretion |
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Definition
| Of enzymes/acids/buffers by glands in GI tract |
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Term
Digestion Process: Mixing and Propulsion |
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Definition
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Term
Digestion Process: Absorption |
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Definition
| Of Digestive food from Gi tract to cells using blood/lymph vessels |
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Term
Digestion Process: Defecation |
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Definition
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Term
GI Tract Anatomy: Layers, Inner to Outer |
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Definition
1. Lumen 2. Mucosa 3. Submucosa 4. Muscularis 5. Serosa |
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Term
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Definition
Non-Keratinized Stratified Squamous Simple Colummar Cells (absorption & secretion) Mucus Secreting Cells Entero Endocrine Cells (hormones) |
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Term
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Definition
Loose C.T. High Blood Vessel Content High Lymph Vessel Content High Nerve Content |
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Term
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Definition
| Folds of Smooth muscle to raise surface area for digestion |
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Term
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Definition
Loose C.T. High Blood Vessel Content High Lymph Vessel Content High Gland Content Has submucosal plexus- nerve supply from autonomic nervous system Regulate Gland Secretion in mucosa Regulates vasoconstriction in mucosa Regulate movement in mucosa |
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Term
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Definition
Mouth Pharynx Upper Esophagus Outer Anal Sphincter Skeletal Muscles |
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Term
| Muscularis in rest of GI tract- Smooth Muscles in two layers |
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Definition
Outer Longitudinal Layer Inner Circular Layer |
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Term
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Definition
| Myenteric Plexus- Main motility control in GI tract |
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Term
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Definition
Epithelium & C.T. Beneath Diaphram- name changes into visceral peritoneum |
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Term
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Definition
| Largest serous membrane in body |
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Term
| Peritoneum- Outer Parietal Layer |
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Definition
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Term
| Peritoneum- Inner visceral layer |
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Definition
Covers actual organ Between peritoneal cavity filled up with serous fluid to absorb shock and reduce friction. |
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Term
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Definition
Cheeks- Zygomatic Bone Lips Soft palate (skeletal muscle) Hard Palate (palatine bone) Tongue |
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Term
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Definition
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Term
Salivary Gland: Saliva comes from... |
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Definition
Salivary Glands- Porotid, Sublingual, Submandible Buccal Glands- In mucus membrane lining mouth |
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Term
Salivary Gland:
Saliva Function |
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Definition
| Starts digestion of carbs |
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Term
Salivary Glands: Saliva- Digestion of carbs |
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Definition
Dissolves food Keeps mucus membranes in mouth moist Has lysosyme to fight teeth decay |
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Term
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Definition
Skeletal muscles covered with mucus membrane Important in food manipulation and swollowing, also in speech |
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Term
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Definition
| Secreting liquid lipase to start triglyceride digestion |
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Definition
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Definition
| Folds of mucus membranes in secure tongue with floor of mouth |
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Term
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Definition
| A tube of skeletal muscles lined with mucus membrane |
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Term
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Definition
| Nose with esophagus and larynx (in throat) |
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Term
| Pharynx Layers- Nasopharynx |
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Definition
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Term
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Definition
Middle Respiration and Digestion |
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Term
Pharynx Layers: Laryngopharynx |
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Definition
Bottom Respiration and Digestion |
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Term
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Definition
Enamel- hardest tissue in body Dentin- main tooth tissue Pulp cavity- nerves & vessels |
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Definition
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Term
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Definition
Root Canal Cementum- Secures tooth with ligament Periodontal ligament |
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Term
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Definition
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Term
Teeth: Digestion in mouth- mechanical |
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Definition
Food is cut & mixed with saliva (bolus) |
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Term
Teeth: Digestion in mouth: Chemical |
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Definition
| Lingual lipase in tongue starts fat digestion- salivary amylase changes starch into maltose |
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Definition
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Definition
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Definition
| A collapsable tube that connects your pharynx with your stomach |
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Term
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Definition
Mucosa Submucosa Muscularis Adventitia (fibrous c.t.) |
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Term
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Definition
| Food moves down to stomach by contractions in esophagus known as peristalsis (the adjacent segments will alternately contract and relax) |
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Term
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Definition
"J" shaped enlargement of the GI tract Mixing and storing area for food Continues fat digestion Converts bolis into chyme (juice) Absorbs Water, alcohol, drugs |
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Term
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Definition
| Mucosa lies into folds called "rugae" |
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Term
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Definition
| Digs deep into lamina propria to form gastric pits and gastric glands |
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Term
Gastric gland cells: Mucus neck cells |
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Definition
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Term
Gastric gland cells: Parietal cells |
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Definition
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Term
Gastric Gland Cells: Cheif Cells |
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Definition
| Secrete pepsinagen & gastric lipase |
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Term
Gastric gland cells Enteroendocrine Cells |
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Definition
Secretes Hormone Gastrin (G cells) Gasrin raises stomach secretion/motility raises HCL from parietal cells, raises gland growth |
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Term
Muscularis in stomach 3 layers |
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Definition
Oblique Circular Longitudinal |
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Term
Stomach digestion: Mechanical |
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Definition
| Peristalsis- also known as mixing waves |
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Term
Stomach Digestion: Chemical Proteins-Peptides |
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Definition
Protein broken down by pepsin (pepsinogen) Pepsinogen-HCL-Pepsin Inactive..........Active |
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Term
Stomach Digestion: Butterfat of Milk |
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Definition
| Broken down into fatty acids and monoglycerides by using gastric lipase |
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