Ultimately sympathetic postganglionic fibers innervate organs of the head and ventral body cavity including; dilator muscle of the iris of the eye, blood vessels of the face, and nasal & salivary glands; the heart, aorta, lungs, esophagus, & thyroid gland; the glands & arrestor pili muscles of the skin; liver, stomach, pancreas, spleen, intestines, rectum, kidneys, bladder, genital organs. Increased sympathetic outflow of these organs inhibits activity. Show There are two major classes of adrenergic receptors: alpha and beta. These receptors are further divided into subclasses (alpha 1 and 2; beta 1,2, and 3) Organs that respond to NE (or to epinephrine) have one or more of these receptor types. NE or epinephrine can either be excitatory or inhibitory depending on which subclass of receptor predominates in the target organ. ALPHA: BETA: Recommended textbook solutions
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Terms in this set (9)sympathetic nervous system Thoracolumbar Division parasympathetic nervous system Craniosacral divison " Rest and Digest" Peripheral Nervous Sytem extension of CNS into the body Somatic Nervous System Somatic Efferents: Innervates skeletal
muscle Autonomic Nervous System Visceral Efferents: Innervates smooth and cardiac muscle and glands Central Nervous System Brain and spinal cord why is the sympathetic is also called the thoracolumbar division Sympathetic fibers have their reflex centers in the spinal cord, T1 to L2, so the sympathetic nervous system is sometimes called thoracolumbar division why is the parasympathetic nervous system also called the craniosacral division The parasympathetic division is also called the craniosacral division because its preganglionic neurons are housed within the nuclei in the brainstem and within the lateral gray matter of the S2-S4 spinal cord segments. Understand how PSNS innervation changes at the left colic flexure. vagus nerve stop and sacral spinal nerves stop at left coloc flexure Students also viewedChapter 14 Autonomic Nervous System58 terms Katie_Haas81 Chapter 1520 terms shannonbeals craniosacral division (parasympathetic)5 terms jnlheartx4 Sympathetic (Thoracolumbar) Division11 terms Jenny71288 Sets found in the same folderA&P Ch 655 terms Danielleschool1016 Anatomy & Physiology - Chapter 997 terms TaylorRH32 Chapter 8 The Muscular System99 terms Jifferlynne89 Endocrine System50 terms juliana_richardson3 Other sets by this creatorNutrition test #145 terms emmeli_S Circulation24 terms emmeli_S Respiratory System2 terms emmeli_S Digestive System3 terms emmeli_S Verified questions
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Which is also called the thoracolumbar nervous system quizlet?The sympathetic system is also called the thoracolumbar division because this division contains preganglionic fibers from the thoracic and upper lumbar segments of the spinal cord, in the lateral gray horns. Name four types of ganglia found in the sympathetic division and what they control.
Is the parasympathetic division also called the thoracolumbar division?The sympathetic division is also called the thoracolumbar division because the preganglionic neurons are located along the spinal cord from segments T1 to L 2, basically in the middle section of the length of the spinal cord.
Is parasympathetic craniosacral and thoracolumbar?Because of its location, the parasympathetic system is commonly referred to as having craniosacral outflow, in contrast to the sympathetic nervous system, which is said to have thoracolumbar outflow.
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Which division of the autonomic nervous system is also known as the thoracolumbar division quizlet?
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