Objective 8

anisocytosis (AN-AI-soh-SAI-toh-sis)

condition characterized by a great inequality in the size of red blood cells

elliptocyte (ee-LIP-toh-SAIT)

oval red blood cells

elliptocytosis (ee-LIP-toh-sai-TOH-sis)

condition characterized by an increase in the number of oval-shaped red blood cells

embolism (EM-boh-lizm)

blockage in a blood vessel caused by an embolus

embolus (EM-boh-lus)

mass of matter present in the blood

erythrocyte (eh-RITH-roh-SAIT)

red blood cell

erythrocytosis (eh-RITH-roh-sai-TOH-sis)

abnormal increase in the number of red blood cells

hematopoiesis (hee-MAT-oh-poi-EE-sis)

formation of blood cells

hemolysis (hee-MAWL-ih-sis)

breakdown of blood cells

leukocyte (LOO-koh-sait)

white blood cell

leukocytosis (LOO-koh-sai-TOH-sis)

increase in the number of white blood cells

leukopenia (LOO-koh-PEE-nee-ah)

deficiency in white blood cells

macrocytosis (MAK-roh-sai-TOH-sis)

condition characterized by large red blood cells

microcytosis (MAI-kroh-sai-TOH-sis)

condition characterized by small red blood cells

myelopoiesis (MAI-eh-loh-poi-EE-sis)

formation of bone marrow

neutropenia (NOO-troh-PEE-nee-ah)

deficiency in neutrophil

normocyte (NOR-moh-sait)

normal-sized red blood cell

oligocythemia (AWL-ih-goh-sih-THEE-mee-ah)

deficiency in the number of red blood cells

pancytopenia (PAN-SAIT-oh-PEE-nee-ah)

deficiency in all cellular components of the blood

phagocytosis (FAG-oh-sai-TOH-sis)

process in which phagocytes (a type of white blood cell) destroy (or eat) foreign microorganisms or cell debris

poikilocytosis (POI-kih-loh-sai-TOH-sis)

condition characterized by red blood cells in a variety of shapes

polycythemia (PAWL-ee-sih-THEE-mee-ah)

excess of red blood cells

reticulocyte (reh-TIK-yoo-loh-SAIT)

immature red blood cell; the root comes from its netlike appearance

spherocyte (SFEE-roh-SAIT)

red blood cell that assumes a spherical shape

thrombocyte (THROM-boh-sait)

cell that helps blood clot; also known as a platelet

thrombocytopenia (THROM-boh-SAIT-oh-PEE-nee-ah)

deficiency in the number of platelets (clot cells)

thrombocytosis (THROM-boh-sai-TOH-sis)

increase in the number of platelets (clot cells)

thromboembolism (THROM-boh-EM-boh-lizm)

blockage of a vessel (embolism) caused by a clot that has broken off from where it formed

thrombogenic (THROM-boh-JEN-ik)

capable of producing a blood clot

thrombosis (throm-BOH-sis)

the formation of a blood clot

thrombus (THROM-bus)

blood clot

asplenia (ah-SPLEEN-ee-ah)

absence of a spleen or of spleen function

hepatosplenomegaly (HEP-ah-toh-SPLEE-noh-MEG-ah-lee)

enlargement of the liver and spleen

lymphocyte (LIM-foh-SAIT)

lymph cell

lymphopenia (LIM-foh-PEE-nee-ah)

abnormal deficiency in lymph

splenectopy (splee-NEK-toh-pee)

displacement of the spleen; sometimes called floating spleen

splenolysis (splee-NAWL-ih-sis)

breakdown (destruction) of spleen tissue

splenomalacia (SPLEE-noh-mah-LAY-shee-ah)

softening of the spleen

splenomegaly (SPLEE-noh-MEG-ah-lee)

enlargement of the spleen

splenoptosis (SPLEE-nawp-TOH-sis)

downward displacement (drooping) of the spleen

thymic hyperplasia (THAI-mik HAI-per-PLAY-zhah)

overdevelopment of the thymus

hematocrit (hee-MAT-oh-krit)

test to judge or separate the blood; it is used to determine the ratio of red blood cells to total blood volume

hematology (HEE-mah-TAWL-oh-jee)

study of the blood

hemoglobin (HEE-moh-GLOH-bin)

iron-containing pigment in red blood cells that carries oxygen to the cells

hypoperfusion (HAI-poh-per-FYOO-zhun)

inadequate flow of blood

immunoglobulin (IM-yoo-noh-GLAWB-yoo-lin)

protein that provides protection (immunity) against disease

immunologist (IM-yoo-NAWL-oh-jist)

specialist in the study of the immune system

lymphangiogram (lim-FAN-jee-oh-GRAM)

record of the study of lymph vessels

lymphangiography (lim-FAN-jee-AWG-rah-fee)

procedure to study the lymph vessels

perfusion (per-FYOO-zhun)

circulation of blood through tissue

phlebology (fleh-BAWL-oh-jee)

study of veins

phlebotomist (fleh-BAWT-oh-mist)

specialist in drawing blood

phlebotomy (fleh-BAWT-oh-mee)

incision into a vein; another name for drawing blood

sphygmomanometer (SFIG-moh-man-AWM-et-er)

medical term for the device used to measure blood pressure

antibody (ANT-ih-BAWD-ee)

substance produced by the body in response to an antigen

antigen (ANT-ih-jen)

substance that causes the body to produce antibodies

immunology (IM-yoo-NAWL-oh-jee)

study of the immune system