PRELIM: ADIPOSE TISSUE

Question 1

Connective tissue in which fat-storing cells or adipocytes predominate is called

Answer 1

adipose tissue

Question 2

Adipose tissue these large cells are typically found isolated or in small
groups

Answer 2

within loose or dense irregular connective tissue

Question 3

Adipose tissue normally represents _________ of the body weight in men, somewhat more
in women.

Answer 3

15%-20%

Question 4

are active cells metabolically, responding to both nervous and hormonal stimuli.

Answer 4

Adipocytes

Question 5

the more common type specialized for fat storage, consists of cells each containing one large cytoplasmic droplet of whitish-yellow fat.

Answer 5

white adipose tissue

Question 6

contains cells with multiple lipid droplets interspersed among abundant mitochondria, which helps give this tissue a darker appearance

Answer 6

brown adipose tissue

Question 7

release heat and function to warm
the blood.

Answer 7

Brown adipocytes

Question 8

Specialized for relatively long-term energy storage

Answer 8

WHITE ADIPOSE TISSUE

Question 9

are spherical when isolated but are polyhedral when closely packed in situ

Answer 9

WHITE ADIPOSE TISSUE

Question 10

When completely developed, a white adipocyte is very large_______

Answer 10

between 50 and 150 μm in
diameter

Question 11

With the single large droplets of triglycerides, white adipocytes are also called

Answer 11

unilocular

Question 12

Because lipid is removed from cells by______ or other solvents
used in routine histological techniques

Answer 12

xylene

Question 13

The white adipose tissue cells are
sometimes said to have a __________

Answer 13

signet-ring appearance

Question 14

Unilocular adipocytes can generate benign tumors called ________ that are relatively common, although malignant adipose tumors ________ occur infrequently.

Answer 14

lipomas, liposarcomas

Question 15

Fetal lipomas of brown fat are sometimes called ___________

Answer 15

hibernomas

Question 16

(Gr. chylos, juice + micros, small) are particles of variable size, up to 1200 nm in diameter, formed
from ingested lipids in epithelial cells lining.

Answer 16

Chylomicrons

Question 17

Brown adipose tissue constitutes ________ of the newborn body
weight, located mainly in the back, neck, and shoulders, but
it is greatly reduced during childhood and adolescence.

Answer 17

2%-5%

Question 18

In adults, brown adipose tissue found only in scattered areas, especially around the

Answer 18

kidneys, adrenal glands, aorta, and mediastinum

Question 19

The color of brown fat is due to both the very abundant

Answer 19

mitochondria
(containing cytochrome pigment)

Question 20

Brown adipocytes contain many small lipid inclusions and are therefore called

Answer 20

multilocular

Question 21

The small lipid droplets, abundant mitochondria, and rich vasculature all help mediate the brown adipose tissue’s principal function of_____________

Answer 21

heat production and warming the blood.

Question 22

Cells of brown fat are _________ than white adipocytes;

Answer 22

polygonal and generally smaller