Topic 15 - Digestive system (C) Flashcards Preview

Anatomy > Topic 15 - Digestive system (C) > Flashcards

Flashcards in Topic 15 - Digestive system (C) Deck (24):
1

Digestive system structures:

 

  1. Oral cavity
  2. Salivary glands
  3. Dentition (teeth)
  4. Oropharynx and Laryngopharynx
  5. Esophagus
  6. Stomach
  7. Small intestine
  8. Small intestine accessory organs
  9. Large intestine

2

Oral cavity

includes:

  1. lips
  2. cheeks
  3. palate
    • hard palate
    • soft palate (posterior to hard palate)
  4. tongue

3

oral cavity

includes palate:

hard palate

2 maxillae + 2 palatine bones

4

oral cavity 

includes palate

soft palate:

  • posterior to:
  • ______ muscle
  • ________ projection called ______
  • rises to...

  • posterior to hard palate
  • skeletal muscle
  • posterior projection = uvula
  • rises to close the nasopharynx when swallowing

5

oral cavity

tongue

  • attached to?
  • _______ muscle
  • projections of _______ = papillae (taste buds)

  • attached to hyoid bone
  • skeletal muscle
  • projections of mucosa = paillae (taste buds)

6

Oral cavity: 

EVERYTHING

7

Salivary glands:

  • how many pairs and what are they called?
  • saliva 
    • composed of what and list the percentage

  • 3 pairs
    • parotid
    • submandibular
    • sublingual
  • saliva
    • 99.5% water
    • 0.5 solutes (enzymes)

8

salivary glands

3 pairs: parotid

  • inferior and anterior to ears
  • mumps = inflammation of 1 or both parotids

9

salivary glands

3 pairs: submandibular

floor of mouth

10

salivary glands

3 pairs: sublingual

below tongue on floor of mouth 

11

  • inferior and anterior to ears
  • mumps = inflammation of 1 or both parotids

salivary glands

3 pairs: parotid

12

floor of mouth

salivary glands

3 pairs: submandibular

13

below tongue on floor of mouth 

salivary glands

3 pairs: sublingual

14

saliva is composed of what and list the percentage

99.5% water

0.5% solutes 

15

dentition

  • located where?
  • child dentition
    • _____ dentition - ______ ("baby") teeth
  • adult dentition
    • _____ dentition - ______ teeth

16

tooth structure

  1. crown
  2. root
  3. neck
  4. periodontal ligaments 
  5. root canal extends to pulp cavity

17

dentin, enamel & cementum = similar to _____, but ______

similar to bone, but avascular

18

tooth structure:

crown

  • above...
  • dentin = ?
  • enamel overlay = ?

  • above the gym
  • dentin = majority of tooth
  • enamel overlay = acellular, highly calcified - hard

19

tooth structure

root

 

dentin + cementum overlay

20

tooth structure

neck

enamel + cementum boundary (gums)

21

tooth structure

periodontal ligaments

attach root to bones

22

tooth structure

root canal extends to pulp cavity

contains CT, blood/lymph vessels, and nerves

23

oropharynx and laryngopharynx

only muscularis externa (skeletal muscle) and stratified squamous epithelium 

24