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29 Cards in this Set

  • Front
  • Back
secretions of endocrine glands
hormones
cells that have receptors for a particular hormone
target cells
nine hormones produced by the ___ gland regulate body functions or control other endocrine glands
pituitary
female gonads
ovaries
time in which the reproductive system matures
puberty
in the ovary, eggs mature in a group of cells known as a ___
follicle
an egg is released from the ovary in the process of
ovulation
canal that leads from the uterus to the outside of the body
vagina
after an egg is fertilized, it is called
zygote
during ___, cells migrate to form three cell layers that later develop into diffrernt organs of the embryo
gastrulation
the mother exchanges gases, food, and waste products across the ___
placenta
after 8 weeks, the embryo is called a ___
fetus
process in which the immune system produces cells that destroy pathogens or make them harmless
immunity
substance that triggers the immune response
antigen
overreaction of the immune system to antigens such as pollen
allergy
any change, other than an injury, that disrupts the normal functions of the body
disease
chemical the body produces in response to allergens
histamine
drug that kills bacteria without harming the cells of the host
antibiotic
disease-causing agent
pathogen
injection of a weakend or mild form of a pathogen to produce immunity
vaccination
animal that carries pathogens from person to person
vector
anything that increases the chance of disease or injury
risk factor
response in which clood vessels expand and white blood cells enter infected tissues to fight infection
inflammatory response
chronic respiratory disease in which the air passages become narrower than normal
asthma
koch's postulates are rules for
identifying the microorganism that causes a specific disease
nonspecific defenses include
fever, interferon, and the skin
the type of immunity that reults when antibodies are passed from mother to fetus is called
passive immunity
the type of immunity in which t cells attack abnormal or infected cells is known as
cell-mediated immunity
an example of an autoimmune disease is
type 1 diabetes