odium-potassium pump.

This mechanism in the plasma membrane actively pumps sodium ions (Na⫹) out of the neuron and potassium ions (K⫹) into the neuron—at an unequal (3:2) rate.

Stimulus-gated channels

are ion channels that open in response to chemicals produced by a sensory stimulus or by a chemical stimulus received from another neuron.

As the excess of positive ions outside the plasma membrane decreases, the magnitude of the membrane potential is reduced. Such movement of the membrane potential toward zero is called

or prevertebral ganglia, are pairs of sympathetic ganglia Preganglionic nerve fibers Postganglionic nerve fibers located a short distance from the spinal cord. The collateral ganglia are named for nearby blood vessels.

Thyroid-stimulating hormone (TSH)

or thyrotropin, pro-motes and maintains the growth and development of its target gland—the thyroid. TSH also causes the thyroid gland to secrete thyroid hormone (TH).

or pineal body, is a tiny (1 cm [about 0.38 inch]) structure resembling a pine nut (or a large kernel of corn) located on the dorsal aspect of the brain’s diencephalon region

is made of tough white fibrous connective tissue that forms a loose, inextensible outer covering of the heart.

plasma proteins of the class called immunoglobulins. Unlike most antigens, all antibodies are native molecules—that is, they are nor-mally present in the body.

respiratory physiology

—a complex series of interacting and coordinated processes that have a critical role in maintaining the stability, or constancy, of ovur internal environment.

Pulmonary ventilation

is a technical term for what most of us call breathing. One phase of it, inspiration, moves air into the lungs, and the other phase, expiration, moves air out of the lungs.

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STUDY STACK 2

Term	Definition
odium-potassium pump.	This mechanism in the plasma membrane actively pumps sodium ions (Na⫹) out of the neuron and potassium ions (K⫹) into the neuron—at an unequal (3:2) rate.
Stimulus-gated channels	are ion channels that open in response to chemicals produced by a sensory stimulus or by a chemical stimulus received from another neuron.
depolarization	As the excess of positive ions outside the plasma membrane decreases, the magnitude of the membrane potential is reduced. Such movement of the membrane potential toward zero is called
collateral ganglia	or prevertebral ganglia, are pairs of sympathetic ganglia Preganglionic nerve fibers Postganglionic nerve fibers located a short distance from the spinal cord. The collateral ganglia are named for nearby blood vessels.
Thyroid-stimulating hormone (TSH)	or thyrotropin, pro-motes and maintains the growth and development of its target gland—the thyroid. TSH also causes the thyroid gland to secrete thyroid hormone (TH).
pineal gland,	or pineal body, is a tiny (1 cm [about 0.38 inch]) structure resembling a pine nut (or a large kernel of corn) located on the dorsal aspect of the brain’s diencephalon region
Fibrous pericardium	is made of tough white fibrous connective tissue that forms a loose, inextensible outer covering of the heart.
Antibodies	plasma proteins of the class called immunoglobulins. Unlike most antigens, all antibodies are native molecules—that is, they are nor-mally present in the body.
respiratory physiology	—a complex series of interacting and coordinated processes that have a critical role in maintaining the stability, or constancy, of ovur internal environment.
Pulmonary ventilation	is a technical term for what most of us call breathing. One phase of it, inspiration, moves air into the lungs, and the other phase, expiration, moves air out of the lungs.

Created by: poojalal1

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