a, fa, āt
o, no, ōt
ă, hă, at
ŏ, frŏ, og
e, stre, ēt
ĕ, hĕ, en
u, mu, ūt
ŭ, sŭ, un
i, bi, īt
ĭ, hĭ, im
) To move away from the midline of the body.
Absolute refractory period
Period following stimulation during which
no additional action potential can be evoked.
Process by which the products of digestion pass through the
alimentary tube mucosa into the blood or lymph.
Accessory digestive organs
Organs that contribute to the digestive pro-
cess but are not part of the alimentary canal; include the tongue, teeth,
salivary glands, pancreas, liver.
±e process of increasing the refractive power of the
lens of the eye; focusing.
u-lum) Cuplike cavity on lateral surface of the hip
bone that receives the femur.
lēn) Chemical transmitter substance
released by some nerve endings.
ter-ās) Enzyme present
at the neuromuscular junction and synapses that degrades acetylcholine
and terminates its action.
A substance that releases hydrogen ions when in solution (compare
with Base); a proton donor.
Situation in which the pH of the blood is maintained
between 7.35 and 7.45.
sis) State of abnormally high hydrogen ion concentra-
tion in the extracellular ﬂuid.
tin) A contractile protein of muscle.
A large transient depolarization event, including polar-
ity reversal, that is conducted along the membrane of a muscle cell or a
±e amount of energy required to push a reactant to
the level necessary for action.
Immunity produced by an encounter with an antigen;
provides immunological memory.
Region on the surface of a functional (globular) protein
where it binds and interacts chemically with other molecules of comple-
mentary shape and charge.
Active (transport) processes
(1) Membrane transport processes for
which ATP is required, e.g., solute pumping and endocytosis. (2) “Active
transport” also refers speciﬁcally to solute pumping.
(1) Any change in structure or response to suit a new environ-
ment; (2) decline in the transmission of a sensory nerve when a receptor is
stimulated continuously and without change in stimulus strength.
) To move toward the midline of the body.
ĕ-nēn) One of the two major purines found in both
RNA and DNA; also found in various free nucleotides of importance to
the body, such as ATP.
ĭ-sis) Anterior pituitary; the glandu-
lar part of the pituitary gland.
en-noids) Pharyngeal tonsil.
Adenosine triphosphate (ATP)
fāt) Organic mol-
ecule that stores and releases chemical energy for use in body cells.
ĭ-po-sīt) An adipose, or fat, cell.
ĭ-pōs) Areolar connective tissue modiﬁed to store
nutrients; a connective tissue consisting chieﬂy of fat cells.
nul) Hormone-producing glands located supe-
rior to the kidneys; each consists of medulla and cortex areas.
jik) Nerve ﬁbers that release norepineph-
Adrenocorticotropic hormone (ACTH)
Anterior pituitary hormone that inﬂuences the activity of the adrenal
e-ah) Outermost layer or covering of some organs.