chapter 6 med term

axillary lymph nodes

lymph nodes are located in the armpit

which lymphatic structure absorbs fats that cannot be transported by the blood stream?

lacteals

which lymphatic structure collects lymph from the left side of the head and duct

thoracic duct

A small bean shaped structure that contains specialized pathogens

lymph node

An organ scientists now believe helps the immune system, but was previously believed to have no purpose

appendix

spleen

organ that produces lymphocytes and monocytes and destroys old erythrocytes

thymus gland

mass of lymphoid tissue located above the heart

lymph

clear watery fluid that contains electrolytes and proteins

natural immunity

immunity gained through breast milk or present at birth

macrophages

cells derived from monocytes

phagocytes

broad term for cells that swallow pathogens

T cells

produced in the thymus

cytokines

proteins released by t cells to activate immune response

B cells

cells that produce antibodies

interleukins

direct B and T cells to divide and proliferate

interferons

proteins that impede virus multiplication

lymphocytes

broad term for leukocytes formed in bone marrow as stem cells

dendritic cell

a specialized leukocyte that swallows antigens and alerts other cells of its presense

systemic reaction

another term for anaphylaxis

allergen

substance that produces an allergic reaction

bascilli

rod shaped spore forming bacteria

pathogens

broad term for microorganisms that cause disease

bacteria

unicellular organisms that can be pathogenic or useful to the body

staphylococci

group of bacteria that resemble a cluster of grapes

lymphoma

General term for malignancies affecting lymphoid tissue

carcinoma

general term for cancer in the epithelial tissue

sarcoma

general term for cancer in the connective tissue

antigen

any substance the body regards as foreign

toxins

poisonous or harmful substances

antigen-antibody reaction

the binding of antigens to antibodies

immunoglobulin

another term for antibody

HIV (Human Immunodeficiency Virus)

bloodborne virus that kills T cells, weakening the immune system

parasite

plant or animal that lives within a host at the host’s expense

herpes zoster

also known as shingles

lymphedema

swelling of tissues due to the accumulation of lymph

varicella

also known as chickenpox

lymphadenitis

inflammation of lymph nodes

Splenomegaly

enlargement of spleen

oncologist

physician who specializes in malignant disorders such as cancer

complement system

a group of proteins that normally circulate the blood in inactive form