HYPOTHALAMUS PINEAL GLAND

Question 1

PINEAL GLAND develops from

Answer 1

neuroectoderm of the
posterior portion of the
roof of the diencephalon
and remains attached to
the brain by a short
stalk.

Question 2

○The parenchymal cells of
t h e g l a n d a r e

Answer 2

p i n e a l o c y t e s a n d
interstitial (glial) cells

Question 3

The human pineal gland is also
characterized by the presence of
calcified concentrations called

Answer 3

corpora
arenacea or brain sand

Question 4

……released at the pinealocytes controls production
of melatonin.

Answer 4

Norepinephrine