GI Flashcards
How are AA absorbed
Facilitated diffusion
Co-transport
4 functions of vitamin A
Vision - used to form rhodopsin in rod cells of retina
Reproduction - spermatogenesis & preventing of foetal resorption
Growth
Stabilisation of cellular membranes
What does the cloacal membrane become
Anus and urogenital tract
What does the oropharyngeal membrane form
Mouth
What are the interstitial cells of cajal
Pacemaker cells in the stomach that determine the frequency of contractions
Where are vitamins B and C absorbed
In the jejunum
Apart from B12 that’s absorbed in the terminal ileum attached to intrinsic factor
Sources of vitamin D
Plants, mushrooms, UV light
Sources of Vit E
Nuts
Seeds
Veg oils
Where on the vertebral column does the oesophagus originate and end
It originates at the inferior border of the cricoid cartilage (C6) and extends to the cardiac orifice of the stomach (T11).
Sympathetic innervation of parotid gland
Mandibular branch of trigeminal nerve
Sympathetic innervation of submandibular and sublingual glands
Chorda tympani brand of facial nerve
Where are fat soluble vitamins absorbed
Ileum
Where are peyers patches found
Ileum
Where is foliate found
Lateral surface of the tongue
Which part of the GI tract normally absorbs the most fluid
Jejunum