Arbor-vitae is composed of
grey matter
neurogleal cells
white matter
all of the the above
A.
grey matter
The arbor vitae (Latin for "tree of life") is the cerebellar white matter, so called for its branched, tree-like appearance. In some ways it more resembles a fern and is present in both cerebellar hemispheres. It brings sensory and motor information to and from the cerebellum.
In cerebellum strips of white matter profusely ramify into the folds of grey matter. This system of branched strips of white matter within each cerebellar hemisphere is called Arbor-vitae".
The main difference between white and yellow fibres is of
protein
colour of fibres
both (a) and (b)
none of the above
Which of the following is not found in vertebrates
Bilateral symmetry
Gill opening
Body scales
Cnidoblasts
In which of the following process 36 ATP molecules are produced by per hexose molecule
Glycolysis
Krebs' cycle
Direct oxidation pathway
None of the above
Symbiotic bacteria present in intestine of most primates, which synthesize certain vitamins are
Entamoeba histolytic
Entamoeba coli
Entamoeba gingivali
None of the above
In which form CO2 is mostly carried by blood
bicarbonate
carbonic acid
Carbamino compound
Carboxyhaemoglobin