Adipose Tissue

Question 0

What plays a part in adipocyte differentiation?

Answer 0

peroxisome proliferator-activated receptor gamma (PPARgamma)

Question 1

what cells are adipose tissue composed of?

Answer 1

adipocytes

Question 2

what are the characteristics of white adipose tissue?

Answer 2

in adults
unilocular (1 fat droplet)
nucleus and cytoplasm is displaced to the edges by the fat droplet
large

Question 3

what are the characteristics of brown adipose tissue?

Answer 3

mostly in fetuses
multilocular (numerous fat droplets)
central nucleus
LOTS of MITOCHONDRIA

Question 4

where is brown adipose tissue in adults?

Answer 4

around kidneys
adrenal glands
aorta
regions of neck
mediastinum

Question 5

what is the process called when brown fat generates heat?

Answer 5

non-shivering thermogenesis

Question 6

what regulates non-shivering thermogenesis in humans?

Answer 6

UPC-1 or thermogenin in the mitochondria

Question 7

what is a lipoma

Answer 7

benign adipose tissue tumor

Question 8

what is a liposarcoma?

Answer 8

rare, malignant tumor w/ cells that are less differentiated

Question 9

what is a hibernoma?

Answer 9

rare, benign, slow-growing tumor of brown fat

usually a mix of white and brown unless it is a pure hibernoma