Term
| The four basic layers of digestive tract? |
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Definition
1. Mucosa
2. Submucosa
3. Muscularis Externa
4. Serosa/Adventitia |
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Term
| What are the sublayers of the mucosa? |
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Definition
1. Stratified squamous epithelium
2. Lamina propria (connective tissue and mucosal glands)
3. Muscularis Mucosa (smooth muscle. Not always present) |
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Term
|
Definition
Loose connective tissue
Blood vessels
Lymphatics
Submucosal Intrinsic Glands
Meissner's Plexus |
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Term
|
Definition
Commonly
Inner circular
Outer longitudinal
Stomach
Inner oblique
Middle circular
Outer longitudinal
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Term
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Definition
| Outermost smooth surrounding layer. Only applies to the cervical region i.e. Oesophagus |
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Term
| Difference between intrinsic and extrinsic glands? |
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Definition
Intrinsic glands have no grossly visible ducts and embedded within walls. Secretions are released into lumens directly.
Extrinsic glands have grossly visible ducts and are outside of walls. They release secretions into the lumen via ducts. |
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Term
| What are the embryonic origins of the abdomen? |
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Definition
| From the embryonic coelom due to the splitting of hte mesoderm into somatic (parietal) and splachnic (visceral) mesoderms. |
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Term
| What are the openings of the diaphragm? |
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Definition
Aortic Hiatus (Aorta)
Oesophageal Hiatus (Oesophagus)
Caval foramen (Caudal Vena Cava) |
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Term
|
Definition
Male: contains spermatic cords and arteries. Includes the genital and pudendal nn.
Female: contains the vaginal process which is the passage way for the external pudendal nn. |
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Term
| What are the three types of Peritoneum? |
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Definition
1. Parietal (body wall)
2. Visceral (surface abdominal muscles)
3. Connecting (Mesentery, Omentum, Ligament) |
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Term
| What are the three types of Connecting Peritoneum? |
|
Definition
1. Mesentery- small intestine to body wall
2. Omentum- stomach to liver and spleen
3. Ligament- specifically connects organs |
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Term
| What is the function of the orbicularis oris m.? |
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Definition
|
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Term
| What is the function of the Caninus m.? |
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Definition
| In dogs for snarling. It is adjacent to the canine tooth |
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Term
| What is the function of the levator nasolabialis m.? |
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Definition
| To life the nose and lips |
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Term
| What is the function of the Levator Labii Superioris? |
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Definition
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Term
| What is the function of the depressor labii inferioris m. ? |
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Definition
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Term
| Which nerve innervates the lip? |
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Definition
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Term
| What is the major cheek muscle that is responsible for returning food into the oral cavity proper? |
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Definition
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