Blood: Definitions - Leukocytes 12.3

Question 1

Agranuloctye

Answer 1

WBCs that lack specific granules.

Question 2

Basophil

Answer 2

A type of white blood cell that has granules of heparin. Multi-lobed nucleus stains dark blue-black.

Question 3

Eosinophil

Answer 3

A type of granulocyte. Has an orangish-pink multi-lobed nucleus.

Question 4

Granules in WBCs

Answer 4

Contain defense chemicals .

Question 5

Granulocyte

Answer 5

Contain specific granules in their cytoplasm.

Question 6

Histamine

Answer 6

Chemical released by some white blood cells. Widens the “pores” and dilates local blood vessels (vasodilation).

Question 7

Leukocyte

Answer 7

Commonly called white blood cell. Protects us from infectious microorganisms and pathogens.

Question 8

Leukemia

Answer 8

Cancer of either the granulocytes or the agranulocytes.

Question 9

Lymphocyte

Answer 9

A type of agranulocyte. Contains a dark blue rounded nucleus.

Question 10

Lysosome

Answer 10

An organelle that contains digestive enzymes that destroy pathogens and cell debris.

Question 11

Macrophage

Answer 11

A monocyte found in the tissues.

Question 12

Monocyte

Answer 12

The largest of the wbc. A type of agranulocyte.

Question 13

Neutrophil

Answer 13

A type of granulocyte. Fights bacteria. Multi-lobed nucleus stains purple.

Question 14

Parasite

Answer 14

A microorganism that competes with the human for nutrients.

Question 15

Pathogens

Answer 15

Microorganisms, such as bacteria and viruses, that cause disease.

Question 16

Permeable

Answer 16

Permeable Plasma membrane allows the substance to travel through it.

Question 17

Phagocytosis

Answer 17

The active process (endocytosis) of “cell-eating”.

Question 18

Vasodilation

Answer 18

“Widening” of a blood vessel. Dilation = increase in “size”.