Fiddly histology Flashcards
Layers of gi tract generally speaking
Mucosa
Submucosa
Muscularis externa
Serosa
Parotid colour histologically
Secretes what
Dark pink
Serous
Sublingual colour
Secretes
Paler fluffy
Mucous
Submandibular secretes
Mix of mucous and serous
What does elastic cartilage look like
Pale greyish (basinophilic extracwllular matrix )irregular circles. Couple nuclei about- chondrocytes
Reinkes space
Between vocal cord and epithelium
Space of disse
Between heoatocytw and sinusoid
Reinkes crystalloids
Leydig cells
Collagen type 3
Reticulin
Scaffold for liver spleen bone marrow
Branched
Ito cells
Store fat in liver , in space of disse
APC
Collagen type 1
Teeth tendons bone skin
Collagen type 2
Cartilage
Collagen type 5
Placenta
Collagen type 4
Basement membrane
Interstitial cells of cajal
- where
- function
- tumour of them-
- muscularis externa/propria of intensities
- pace maker cells
- GIST
Bartholins glands
- where
-what
-
Vagina
Lubrication
Equivalent to male’s bulbourethral glands
appendix and colon histology- how different to small intestine
flat- no villi – like colon
appendix got lymphoid
colon has mucus glands - crypts of lieberkuhn (brunners? )
carb absorption
secondary active transport
sodium glucose cotransporter
protein absorption
sodium glucose cotransporter (apical membrane) facilitated diffusion (basal membrane)
lipid absorption
bile forms micelles
pancreatic lipase breaks micelles down into fatty acids
diffuse as fatty acids
packaged as chylomicrons
in lacteals (lymphatics that will eventually enter blooood)
elastic von gieson stains what (and what colour for each)
elastic fibres- brown
collagen- red/pink
muscle - yellow
alcian blue stains WHAT
mucins (mucous, cartilage, mast cells)
cervical transformation zone- which has what epithelium tytpe
ectocervix= stratified squamous endocervix = simple columnar (glandular)
weibel palade bodies vs arantius.
weibel palade in endothelial cells (storage)
arantius in aortic and pulmonary valve cusps (fibroelastic clumps)
Paneth cells
- where
- what
duodenum in crypts = crypts of lieberkuhn!!!!
secrete lysosome- breaks down bacteria (their cell walls!)
(duodenum also has brunners glands for bicarb)
