Hematology/Lymphatic/Immune System Unit

Erythrocytes

red blood cells; biconcave disks

Leukocytes

white blood cells

Thrombocytes

platelets; smallest formed element of the blood

Hematopoiesis

production of blood cells; takes place in bone marrow

hemolytic

destruction of blood cells

hemoglobin

a pigment containing iron that is responsible for transporting oxygen

Albumin

transports fatty substances

Gamma globulins

act as antibodies

fibrinogens

clotting protein

what do leukocytes do?

provide protection against pathogens

what do thrombocytes do

they help with blood clotting and coagulation

purposes of the immune system

collects excessive tissue fluid, assists fat absorption, works with the immune system to fight against pathogens

parts of the lymphatic system

tonsils & adenoids, spleen, thymus gland

which Rh has proteins?

Rh +

what makes up a CBC

rbc count, wbc count, wbc differential count, platelet count, hgB, hct

axiallry

armpits; drains arms and shoulders

cervical

neck; drain head and neck

inguinal

groin area; drain legs and lower pelvis

mediastinal

chest; drain chest cavity

what are lymph nodes

small organs made of lymphatic tissue that house lymphocytes and antibodies that remove pathogens from lymph and destroy cells from cancerous tumors

what happens if the lymphatic system stops working

swelling, decreased blood pressure, malnourishment, immunocomprimised

thymus gland location

located in the upper portion of the mediastinum

thymus gland purpose

essential for immune development; secretes thymosin which changes lymphocytes to T lymphocytes

passive acquired immunity

immunity that is received through the placenta

antigens

foreign proteins

allergy

hypersensitivity to a common substance in the environment or a medication

hives

appearance of wheals as part of an allergic reaction

immunocompromised

having an immune system that is unable to respond properly to pathogens

inflammation

the tissues response to injury from pathogens or physical agents

HIV

Human immunodeficiency virus

Kaposi’s syndrome

form of skin cancer frequently seen in patients with AIDS

pathology

gland inflammation

lymphadentitis