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pathogens
organisms such as bacteria and viruses that cause disease
inflammation
the condition in which capillaries become larger to allow more blood to reach an affected area, causing tissue to become red, swollen, and tender
lymphatic system
the body system that helps transport leukocytes throughout the body and aids them in cleansing the body of pathogens
lymph
the name for tissue fluid once it has entered the lymph capillaries
virus
a tiny capsule of genetic information that can reprogram a living cell to produce new particles instead of the cell's normal products
vector
an animal that transmits infection
immunity
a condition of resistance to a particular disease or pathogen
vaccine
a substance that stimulates the immune system to develop an acquired immunity
antibiotics
substances produced by bacteria, molds, and other organisms that stop the growth of bacteria
acute
a disease that is severe but lasts only a short time or occurs suddenly is described as _____
benign
a tumor that shows no tendency to spread throughout the body
noninfectious
a disease that results from aging, malnutrition, a genetic problem, or a malfunctioning organ
noncommunicable
infectious diseases that cannot be spread from person to person
infectious
leprosy; common cold; tetanus
noninfectious
cancer; diabetes; osteoporosis
leukocytes
the most important components of the immune system
antibodies
some of the most important weapons that the immune system uses to fight pathogens are Y-shaped protein molecules
lymph nodes
small, bean-shaped organs through which lymph flows
spleen
the body's largest lymph organ
adopted immunity
NOT a type of immunity
allergy
the most common form of immunological disease
acne; athlete's foot; warts
integumentary system
hypertension
cardiovascular system
food poisoning; peptic ulcer
digestive system
hypoglycemia
endocrine system
AIDS
immune system
bursitis
musculoskeletal system
epilepsy; meningitis
nervous system
bronchitis
respiratory system
cardiologist
a doctor who treats diseases and disorders of the cardiovascular system
oncologist
a doctor who treats cancer
family practitioner
a doctor who provides primary care for people of all ages
endocrinologist
a doctor who treats diseases and disorders of the endocrine system
leuk - ; leuko -
means "white"
-osis; patho-, -pathy
means "disease"
-hemia, -emia
means "condition of the blood"
scler-, sclero-
means "hard"
dys-
means "bad"
-iasis
means "diseased condition"
-cytes
means "cells"
lymph-, lympho-
means "water"
cephal
refers to the head
-gen
refers to something that produces
soma
means "body"
Note
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