Histology (formative questions) Flashcards
What two proteins are principally involved in the generation of ciliary movement?
Tubulin
Dyenine
Which type of collagen is found at basement membranes?
Type IV
What structural feature sets reticulin apart from other types of collagen?
Reticulin (type III collagen) forms branched fibres
How long are tropocollagen molecules?
300nm
Where in adults is brown fat most likely to be found?
Between the shoulder blades
What type of cartilage is present at the epiglottis?
Elastic cartilage
What type of epithelium is present at the oesophagus?
Stratified squamous non-keratinising
What type of epithelium arises at the oesophagus w/ pathological change e.g. in Barrett’s oesophagus
Simple columnar
Name the 3 types of taste buds, which type is most common
Filiform papillae *
Fungiform papillae
Circumvallate papillae
Where are filiform papillae taste buds found?
Anterior 2/3 of the tongue
CN VII special sensory to the anterior 2/3 of the tongue
What does the pineal gland secrete?
Melatonin
Where is melatonin stimulating hormone secreted from?
Intermediate lobe of the pituitary gland
Where is olfactory epithelium located?
Roof of nose, below the cribriform plate
What epithelium is found at the upper surface of the tongue?
Stratified squamous keratinising epithelium
Where does the vermiform appendix receive its blood supply from?
Superior mesenteric artery (it is part of the midgut)
