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The medullary ischemic reflex is a big response to a drop in blood pressure in the brain particularly in the medulla, where the lack of oxygen due to decreased perfusion triggers an autonomic response from the cardiac and vasomotor centers.
Anatomy and Physiology: The Unity of Form and Function. New York: McGraw Hill. p. 256. Thompson, Gale (2005–2006). World of Anatomy and Physiology. Thompson Corporation. pp. Palate (Hard and Soft Palate).
Saladin, Kenneth S. "The Spinal Cord, Spinal Nerves, and Somatic Reflexes." Anatomy & Physiology: The Unity of Form and Function. 6th ed. New York: McGraw-Hill, 2012. N. pag. Print. This article incorporates text in the public domain from page 759 of the 20th edition of Gray's Anatomy (1918)
First published in 1950, it is in its 21st edition (published in 2022 by McGraw-Hill Professional ISBN 978-1264268504) and comes in two volumes. Although it is aimed at all members of the medical profession, it is mainly used by internists and junior doctors in this field, as well as medical students. It is widely regarded as one of the most ...
This article incorporates text in the public domain from page 1051 of the 20th edition of Gray's Anatomy ... unmc.edu/physiology ... McGraw-Hill, 2012. Print. ...
In human anatomy, the orbicularis oris muscle is a complex of muscles in the lips that encircles the mouth. [2] It is not a true sphincter, as was once thought, as it is actually composed of four independent quadrants that interlace and give only an appearance of circularity.
The withdrawal reflex (nociceptive flexion reflex or flexor withdrawal reflex) is a spinal reflex intended to protect the body from damaging stimuli. [1] The reflex rapidly coordinates the contractions of all the flexor muscles and the relaxations of the extensors in that limb causing sudden withdrawal from the potentially damaging stimulus. [2]
The human nose is the first organ of the respiratory system.It is also the principal organ in the olfactory system.The shape of the nose is determined by the nasal bones and the nasal cartilages, including the nasal septum, which separates the nostrils and divides the nasal cavity into two.