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Respiratory & Digestive Systems
Review PsTL 1082
Respiratory & Digestive Systems
Review PsTL 1082
What type of tissue is this?
Lip
Stratified squamous epithelium
What type of tissue is this?
Taste bud
What organ is this tissue from? What are 1, 2, 3, 4?
Esophagus
Note layers:1 - Mucosa (epithelium)2 - Submucosa3 - Muscularis4 - Serosa
L = lumen
What organ is this?What does this organ secrete?
Stomach
Secretions include: hydrochloric acid andPepsin (protein digestion)
What organ is this?What are layers 1, 2, and 3?
Small Intestine
1= lumen2 = villi3 = lymph tissue
Which organ is this?What are those white dots?
Large Intestine - Colon
Many goblet cells
Name the organ and something it secretes.
Liver gland = epithelial tissue
Liver - secretes bile (fat digestion)--Largest gland in your body.
Name the organ and two things it secretes.
Pancreasgland = epithelial tissue
Pancreas Both endocrine and exocrine gland.--Exocrine = digestive gland = Pancreatic enzymes--Endocrine = hormone Example = insulin
Identify these tissues
Identify these tissues
1=large intestine
2=lip
3=small intestine
4= liver
5=stomach
6=taste bud
7=pancreas
8=small intestine
• What is the blue thing?
• Laryngo-pharynx
What is the blue thing?
• Q: Identify the structure shaded in blue
• A: Oropharynx
What is the blue thing?
• Q: Identify the structure shaded in light blue
• A: Labia
What is the blue/green thing?
• Q: Identify the structure shaded in light blue
• A: Oral Cavity
What is the blue thing?
• Q: Identify the structure shaded in light blue
• A: Esophagus
What is the blue thing?
• Q: Identify the structure shaded in light blue
• A: Stomach
What is the light blue structure?
• Q: Identify the structure shaded in light blue
• A: Small intestines
What is the green structure?
• Q: Identify the structure highlighted in green
• A: Mesentery
What is the blue structure?
• Q; This is an abdominal X-ray. Identify the structure shaded in light blue
• A: Large intestine
What is the blue structure?
• Q: Identify the structure shaded in light blue
• A: Ascending colon
What is the blue structure?
• Q: This is an abdominal X-ray. Identify the structure shaded in light blue. (Hint, the first haustration)
• A: Cecum
What is the blue structure?
• Q: Identify the structure shaded in light blue
• A:
Transverse colon
What is the blue structure?
• Q: Identify the small, worm-like structure shaded in light blue
• A: Vermiform appendix
What is the blue structure?
• Q: Identify the structure shaded in light blue
• A:
Descending colon
What is the blue structure?
• Q: Identify the structure shaded in light blue
• A:
Sigmoid colon
What is the blue structure?
• Q: Identify the structure shaded in light blue
• A: Rectum
What is the blue structure?
• Q: Given that the structure shaded in light blue is the rectum, what is located below it?
•A: Anus
What is the purple
structure?
• Q: Identify the structure shaded in purple
• A: orbicularis oris
What is the blue structure?
• Q: Identify the area shaded in light blue
• A: fundic region of the stomach
What is the blue structure?
• Q: Identify the area shaded in light blue
• A: Body of stomach
What is the blue structure?
• Q: Identify the area shaded in light blue
• A: Pyloric region of the stomach
What is the blue structure?
• Q: Identify the structure shaded in light blue
• A: Duodenum
What is the blue structure?
• Q: Identify the structure shaded in light blue
•A: Liver
What is the blue structure?
• Q: Identify the structure shaded in light blue
• A: Gallbladder
What is the blue structure?
• Q: Identify the structure shaded in light blue
• A: Pancreas
What is the blue structure?
• Q: Identify the structure shaded in light blue
• A: Tongue
What is the blue structure?
• Q: Identify the structure(s) shaded in light blue
• A: Teeth
What is the purple structure?
• Q: Identify the structure shaded in purple
• A: Masseter
What is the purple structure?
• Q: Identify the structure shaded in purple
• A: Platysma
What is the purple structure?
• Q: Identify the structure shaded in purple
• A: buccinator
What is the blue structure?
• Q: This is a slide of the intestinal wall. Identify the structure(s) shaded in light blue
•A: Villi
Where is this tissue located?
What are the black arrows pointed at?
The colon and goblet cells
• 1 - cecum• 2 - ascending colon• 3 - transverse colon• 4 - descending colon• 5 - Sigmoid colon• 6 - rectum
• This is an x-ray of the large intestine.
• Note: Intestines are never as organized as the images you see in textbooks.
• 1 - cecum• 2 - ascending colon• 3 - transverse colon• 4 - descending colon• 5 - Sigmoid colon• 6 - rectum
• This is an x-ray of the large intestine.
• Note: Intestines are never as organized as the images you see in textbooks.
Where is this tissue located?
Small intestine (notice the villi!)
What are 1, 2, and 3 in this image?
• Q: What is this?• A: It’s an x-ray of the
stomach and small intestine.
• 1 = stomach
• 2 = duodenum
• 3 = jejunum
What is this tissue?
What are 1, 2, and 3?
the duodenum.
• 1 - mucosa - including villi
• 2 - submucosa -- includes connective tissues and glands
• 3 - muscularis layer that includes smooth muscle and nerves.
What is the blue structure?
• Q: Identify the structure shaded in light blue
• A: Bile duct
What is the orange structure?What is its connection to the digestive
system?
• A: medulla oblongata
• A: Control gastric secretions, and several other digestive functions.
What is this tissue?What are 1, 2, and 3?
1 - Bronchiole (note cartilage) - transports air
2 - Pulmonary vein (note shape - not round)- transports blood
3 - Pulmonary artery (note shape - round)- transports blood
Bronchiole and Lung
What type of tissue is this?
Lung Tissue
Lungs contain many open space - alveolus
The lung is mostly epithelial tissue
Open space is for air
What is this?
Bronchus
1 - Hyaline cartilage
2 - lumen - the air passage
3 - Epithelial tissue lining the air passage
• What is the orange structure?
• What role does it play in the respiratory system?
• A: medulla oblongata
• A: Control of respiration / ventilation.
• What is the function of the yellow structure?
• A: phrenic nerve.• Q: What is the function of the phrenic nerve?• A: Innervation of the diaphragm.
• Q: Identify the structure in blue, located at A.
A: carina
What is the blue structure?
A: the diaphragm
What are the purple structures?
• A: intercostal muscles (muscles of “breathing” or ventilation)
• What is the purple structure?
• Q: Identify the structure shaded in blue.
• A: trachea
What is the purple structure?What is “A”?
• trachea• bronchi
• Q: Identify the structures located at A.
A: lungs
What is the blue structure?
A: cardiac arch
What is the blue structure?
• Q: Identify the structure shaded in blue.
• A: nasal septum
What is the blue structure?
• Q: Identify the area shaded in blue.
•A: nasopharynx
What is the blue structure?
The epiglottis
What is the blue structure?
• Q: Identify the structure shaded in blue.
•A. larynx
• What are 1, 2, 3, and 4?
• Q: What is it?
• A: Alveolar duct
• 1 - bronchiole -- lined by epithelium
• 2 - small pulmonary artery
• 3 Alveolar duct (no closed ends)
• 4 Alveolus (Air sacs) - site of gas exchange
• What is this?
What are 1 and 2?
• A: Alveolus
• 1 - macrophages (function - “clean” the lungs)
• 2 Simple squamous epithelial cells of the alveoli
What is the this?
What are 1 and 2?
• Q: What is it?
• A: Wall of the trachea
• 1 - epithelial cell lining the lumen
• 2 cartilage -- support
• Q: What is it?• A: MRI of the
upper respiratory system
1. Tongue
2. Inferior nasal conchae
3. Superior nasal conchae
4. Sphenoidal sinus
5. Nasopharynx
6. Oropharynx
7. Laryngopharynx
8. Epiglottis
9. Spinal cord