Sympathetic postganglionic fibers secrete the neurotransmitter ____________________, whereas parasympathetic postganglionic fibers secrete the neurotransmitter ____________________

Fill in the blank(s) with correct word


norepinephrine (noradrenaline), acetylcholine

Anatomy & Physiology

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A late nineteenth century technique to treat trigeminal neuralgia was to inject alcohol into the trigeminal ganglion, which destroys all of the sensory fibers in the ganglion

The most likely (direct) method by which the surgeon performed this procedure was to insert a needle: A) through the infraorbital foramen. B) through the foramen ovale. C) under the eyeball through the inferior orbital fissure. D) through the pterygomaxillary fissure. E) through the nasal cavity.

Anatomy & Physiology

What were some of the similarities between the early researchers who undertook the scientific study of sex?

What will be an ideal response?

Anatomy & Physiology

Cells are bathed by fluid that is similar to plasma but is outside the blood vessels. This fluid is:

A) blood B) lymph C) intersitial fluid (extracellular fluid or ECF) D) none of these

Anatomy & Physiology

What type of cells form the third filtration barrier?

A. Ciliated cuboidal epithelial cells B. Podocytes C. Capillary simple squamous epithelial cells D. Glomerulocytes

Anatomy & Physiology