Chapter 7 Definitions

Question 1

lymph

Answer 1

clear, colorless, alkaline fluid made mostly up of water, protein, salts, fats, white blood cells, and urea

Question 2

urea

Answer 2

a waste product of protein metabolism

Question 3

lymphatic vessels

Answer 3

found alongside other vessels, part of lymphatic system

Question 4

lymph nodes

Answer 4

commonly called glands, rich in specialized WBC called phagocytes

Question 5

phagocytes

Answer 5

clean debris from lymph through phagocytosis

Question 6

superior vena cava

Answer 6

where lymph enters the circulatory system and is combined with blood

Question 7

where are lymph nodes concentrated?

Answer 7

neck, armpits, groin, and abdomen

Question 8

tonsils and adenoids

Answer 8

these become swollen when you have a cold or sore throat, happens when nodes become overwhelmed and inflamed

Question 9

metastasized

Answer 9

spread to another part of the body

Question 10

thymus gland

Answer 10

Consists of two fused lobes and divided into cortex and and medulla. Cortex is mostly composed of immature T lymphocytes (WBC). Gradually shrinks while we age, plays role in immunity.

Question 11

spleen

Answer 11

located in LUQ, prenatal development forms RBC and WBC, after birth, it produces RBC in severe need only, continues to produce WBC and antibodies, stores blood and platelets