Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
22 Cards in this Set
- Front
- Back
|
EXAM 3 ANATOMY LECTURE 27: DIGESTIVE I
|
EXAM 3 ANATOMY LECTURE 27: DIGESTIVE I
|
|
|
Vagus CN X
|
1. epiglottis & base of tongue
2. taste |
|
|
CN IX
|
1. posterior 1/3
2. general sense 3. taste |
|
|
CN VII
|
1. anterior 2/3
2. taste, chorda tympani |
|
|
V3
|
1. anterior 2/3
2. general sense (lingual) |
|
|
Palatoglossus
|
Innervated by CN IX
|
|
|
How much is saliva produced each day?
|
1-1.5L/day or 1-1.6qtr
|
|
|
Char of saliva
|
1. 99.5 water
2. acidic (6.36 pH) 3. lipase 4. amylase |
|
|
Types of glands for parotid, submandibular, and sublingual?
|
Parotid: all serous
Submandibular: mostly serous Sublingual: mostly mucous |
|
|
Char of parotid gland?
|
1. tubuloacinar
a. serous acini b. merocrine c. myoepithelial cells |
|
|
Char of submandibular gland
|
1. tubuloacinar
2. mostly serous 3. demilune |
|
|
Char of sublingual gland
|
1. smallest
2. mostly mucous acini 3. has serous demilunes |
|
|
Constrictor muscles of the pharynx:
|
1. superior
2. middle 3. inferior Innervated by CN IX, sensory and X, motor. |
|
|
Muscles of the esophagus
|
1. upper 1/3: skeletal
2. middle 1/3: mixed 3. lower 1/3: smooth Innervated by vagus |
|
|
What makes up the mucosa of the esophagus?
|
1. epithelium:
stratified squamous nonker 2. 2. lamina propria a. lymphocytes b. mucous glands |
|
|
Layers of the GI tract:
|
From outer to inner
Adventitia or peritoneum 1. muscularis externa 2. submucous 3. mucosa a. epithelium b. lamina propria c. muscularis mucosa |
|
|
Define peritoneum
|
A serous lined sac located in the abdomen & pelvis.
|
|
|
Peritoneal sac in the male vs. the female:
|
Male: closed
Female: open |
|
|
Mesentery of the peritoneum
|
A double layer of the peritoneum that suspends the ileum and jejunem.
|
|
|
Two layers of the peritoneum include:
|
1. mesentery
2. ligament 3. omentum |
|
|
What are inter-peritoneal organs?
|
Are organs surrounded by the peritoneum.
|
|
|
What are retro-peritoneal organs?
|
1. Are organs behind the peritoneum.
2. Organs not contacting any peritoneum. |
