Med Terms Ch. 7

Colloid

liquid containing suspended particles

coll-

glue

Matrix

substance that surrounds and protects cells, is manufactured by the cells, and holds them together

Nutrient

constituent of food necessary for the body to function normally

Nutrition

The study of food and liquid requirements for normal function of the human body

Nutritionist

a person who specializes in the study of food and liquid requirements for normal function of the human body

nutrit-

nourishment

Plasma

fluid, noncellular component of blood

Platelet

small particle involved in the clotting process

Plate-

Flat

Serum

fluid remaining after removal of blood cells and the formation of a clot

Agranulocyte

a white blood cell without any granules in its cytoplasm

Basophil

a basophil's granules attract a basic blue stain in the laboratory

Eosinophil

an eosinophil's granules attract a rosy-red color on staining

Bas/o -

base

-Phil

Attraction

Eosin/o -

Dawn

Erythrocyte

red blood cell

Erythr/o-

red

Granulocyte

a white blood cell that contains multiple small granules in its cytoplasm

Heme

The iron-based component of hemoglobin that carries oxygen

Hemoglobin

red-pigmented protein that is the main component of red blood cells

Leukocyte

white blood cell

leuk/o -

white

Lymphocyte

small white blood cell with a large nucleus

Monocyte

large white blood cell with a single nucleus

Neutrophil

neutrophils' granules take up purple stain equally, whether the stain is acid or alkaline

Polymorphonuclear

white blood cell with a multilobed nucleus

Coagulant

substance that causes clotting

Coagulation

process of blood clotting

Coagul -

clot, clump

Fibrin

stringy protein fiber that is a component of a blood clot

Fibroblast

cell that forms collagen fibers

-Blast

immature cell

hemostasis

control or stopping of bleeding

Prothrombin

protein formed by the liver and converted to thrombin in the blood-clotting mechanism

Thrombocyte

platelet

Von willebrand

E.A. Willebrand, Finnish physician, 1870-1949

Antibody/antibodies

protein produced in response to an antigen

Antigen

substance capable of triggering an immune response

Rhesus factor

Antigen on surface of red blood cells of Rh+ individuals; it was first identified in Rhesus monkeys

Absorb

to take in

afferent

moving toward a center

affer -

move toward the center

Allergen

substance creating a hypersensitivity (allergic) reaction

Allergic

pertaining to or suffering from an allergy

Allergy

Hypersensitivity to a particular allergen

-Erg-

Work

Efferent

moving away from a center

effer-

move away from the center

Immune

protected from an infectious disease

Interstitial

pertaining to spaces between cells in a tissue or organ

interstiti-

space between cells

Lymph

a clear fluid collected from tissues and transported by lymph vessels to the venous circulation

Lymphatic

pertaining to lymph or the lymphatic system

Lymphoid

resembling lymphatic tissue

Node

a circumscribed mass of tissue

Pathogen

disease causing microorganism

Pollutant

substance that makes an environment unclean or impure

adenoid

single mass of lymphoid tissue in the midline at the back of the throat

Aden-

gland

Bacterium/bacteria

a unicellular, simple, microscopic organism

Follicle

spherical mass of cells containing a cavity or a small cul-de-sac, such as a hair follicle

Immunoglobin

specific protein evoked by an antigen; all antibodies are immunoglobins

-In

chemical compound, substance

Spleen

vascular, lymphatic organ in left upper quadrant of abdomen

Thymus

endocrine gland located in the mediastinum

Tonsil

mass of lymphoid tissue on either side of the throat at the back of the tongue

Discrimination

Ability to distinguish between different things

-Crimin-

to distinguish

Immunity

state of being protected

Immunologist

medical specialist in immunology

Immunology

the science and practice of immunity and allergy

Mutation

Change in the chemistry of a gene

Nonself

in immunology, pertaining to foreign antigens

Self

In immunology, pertaining to the body's own antigens

Specific

relating to a particular entity

Specificity

State of having a specific, fixed relation to a particular entity

Toxin

poisonous substance formed by a cell or organism

Toxicity

the state of being poisonous

Attenuate

weaken the ability of an organism to produce disease

Attenuated

weakened

attenu-

to weaken

Complement

group of proteins in serum that finish off the work of antibodies to destroy bacteria and other cells

Humoral immunity

defense mechanism arising from antibodies in the blood

Humor-

fluid

Immunize

to cause to be resistant to an infectious disease

Immunization

administration of an agent to provide immunity

-ize

affect in a specific way

-ization

process of inserting or creating

Vaccinate

to administer a vaccine

Vaccination

Administration of a vaccine

Vaccine

preparation to generate active immunity

Agglutinate

stick together to form clumps

Agglutination

process by which cells or other particles adhere to each other to form clumps

Ag- (ad-)

to

-Glutin-

stick

Anemia

decreased number of red blood cells

Anemic

pertaining to or suffering from anemia

Aplastic anemia

condition in which the bone marrow is unable to produce sufficient red cells, white cells, and platelets