What does reflexed reflex mean?
reflex erection of hairs of the skin in response to cold or emotional stress or skin irritation Raised skin, usually caused by the involuntary erection of hairs on the neck or arms caused by cold, excitement, or fear. How to pronounce pilomotor reflex?
What does Pico-lo-mo-tor mean?
pi·lo·mo·tor (pī'lō-mō'tŏr), Moving the hair; denoting the arrectores pilorum muscles of the skin and the postganglionic sympathetic nerve fibers innervating these small smooth muscles. [pilo- + L. motor,mover] Farlex Partner Medical Dictionary © Farlex 2012 pi·lo·mo·tor (pī'lō-mō'tŏr)
What are the reflexes of the eye?
1. contraction of the pupil on exposure of the retina to light. 2. any reflex involving the iris, resulting in change in the size of the pupil, occurring in response to various stimuli, e.g., change in illumination or point of fixation, sudden loud noise, or emotional stimulation. quadriceps reflex knee jerk.
What is piloerection?
[pi″lo-mo´ter] causing movement of the hairs; pertaining to the arrector muscles, the contraction of which produces goose flesh(cutis anserina) and piloerection. Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc.
What is reflex in psychology?
Which reflex is responsible for regulating blood pressure?
What is the reflex that protects the body from injury called?
What nerves do the hot stove reflex go to?
What is accommodation reflex?
What is conditioned reflex?
How many nerves are involved in a simple reflex?
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What is the function of the Pilomotor reflex?
n. Contraction of the smooth muscle of the skin caused by mild application of a tactile stimulus or by local cooling and resulting in goose bumps.
What does Pilomotor mean?
Medical Definition of pilomotor : moving or tending to cause movement of the hairs of the skin pilomotor nerves pilomotor erection.
Do geese have bumps?
Do geese have bumps on their skin? Yes, they do. Although geese are covered in feathers, underneath the soft down, the skin is rough and pimply. Goosebumps are so-called because they look a lot like the bumpy skin of a freshly plucked goose.
What is the Pilomotor muscle?
: one of the small fan-shaped smooth muscles associated with the base of each hair that contract when the body surface is chilled and erect the hairs, compress an oil gland above each muscle, and produce the appearance of goose bumps. — called also erector pili muscle, pilomotor muscle.
How did goosebumps help humans in the past?
The formation of goose bumps in humans under stress is considered to be a vestigial reflex. Its function in other apes is to raise the body's hair, and would have made human ancestors appear larger to scare off predators or to increase the amount of air trapped in the fur to make it more insulating.
What is a Swan's Knob?
That huge lump on the base of this Mute Swan's beak is called a basal knob. Knowing that, however, tells you nothing about its function. What exactly is it for? There are many species which have them. Often they're larger in the males and they often change colour during the breeding season.
Why do we get goosebumps when touched?
Goosebumps are the result of tiny muscles flexing in the skin, making hair follicles rise up a bit. This causes hairs to stand up. Goosebumps are an involuntary reaction: nerves from the sympathetic nervous system — the nerves that control the fight or flight response — control these skin muscles.
Why do humans get goosebumps?
Even though humans have evolved to have relatively little body hair, we still produce goosebumps when cold. Goosebumps occur when tiny muscles in our skin's hair follicles, called arrector pili muscles, pull hair upright. For animals with thick fur, this response helps keep them warm. But it doesn't do so for people.
How can you tell if a Canadian goose is male or female?
HEAD: In male Canada geese, the crown (head) is bigger and broader than the female, and the male neck is thicker than the female. The female's neck is shorter and slimmer. Both sexes have different looking tails feathers also.
How do you tell if a Canadian goose is male or female?
Male Canada geese possess a rounded tail feather, while the females have pointed one. Young adult geese also have rounded tail feathers, but with a notch to distinguish them from mature males. Necks: Although the neck coloration is the same generally, female birds tend to have shorter and slimmer necks.
What do female geese look like?
If you're trying to discern which geese hanging out around your park pond are male and female, you'll have to be observant. Male and female Canada geese are identical as far as markings go, sporting black heads and necks, white patches on their faces, light-colored chests and brownish-grey plumage.
What happens when a goose loses its mate?
Pairs usually stay together for life. If one member of a pair dies, the other goose usually finds another mate within the same breeding season.
How long would it take to complete penn Foster high school
That is definitely possible as long as you keep a fast pace. Once you sign up, you can set a goal finishing date. Doing so will make it where beside each assignment it will say what date that assignment should be done by in order for you to complete the full program by your desired goal graduation date.
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Albert Einstein said‚ “Learning is not a product of schooling but the lifelong attempt to acquire it.” 2. Penn Foster is one route that helps motivated independent learners acquire the knowledge and certification they need. 3. Students’ lives may change due to the decision to further their education.
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The process by which the nervous system bypasses the brain to increase response time is called a A. reflex. B. contraction. C. feedback mechanism. D. hormonal response.
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Study with Quizlet and memorize flashcards containing terms like 1. True or False? The veterinary medicine field is an ideal refuge for people who prefer to avoid people and just work with animals., 2. Which of the following is a typical benefit of a job in veterinary medicine? a. Predictable hours b. No heavy lifting c. The chance to make a difference in the lives of animals d.
What is a physiological relation of things called?
Such a physiological relation of things is termed reflex action.
Is worry a reflex?
Worry has become as automatic a reflex as breathing in your sleep.
What is reflex in psychology?
reflex. a reflected action or movement; the sum total of any particular automatic response mediated by the nervous system. A reflex is built into the nervous system and does not need the intervention of conscious thought to take effect. The knee jerk is an example of the simplest type of reflex.
Which reflex is responsible for regulating blood pressure?
baroreceptor reflexthe reflex responses to stimulation of baroreceptors of the carotid sinus and aortic arch, regulating blood pressure by controlling heart rate, strength of heart contractions, and diameter of blood vessels.
What is the reflex that protects the body from injury called?
A reflex that protects the body from injury, as this one does, is called a nociceptive reflex .
What nerves do the hot stove reflex go to?
Before the hand is pulled away, an impulse must go from the sensory nerve endings in the skin to a center in the spinal cord, from there to a motor center, and then out along the motor nerves to shoulder, arm, and hand muscles.
What is accommodation reflex?
accommodation reflex the coordinated changes that occur when the eye adapts itself for near vision; they are constriction of the pupil, convergence of the eyes, and increased convexity of the lens. Achilles reflex ankle jerk. acoustic reflex contraction of the stapedius muscle in response to intense sound.
What is conditioned reflex?
A conditioned reflex is one acquired as the result of experience. When an action is done repeatedly the nervous system becomes familiar with the situation and learns to react automatically, and a new reflex is built into the system.
How many nerves are involved in a simple reflex?
This reflex, or simple reflex arc, involves only two nerves and one synapse. The leg begins to jerk up while the brain is just becoming aware of the tap. Other simple reflexes, the stretch reflexes, help the body maintain its balance. Every time a muscle is stretched, it reacts with a reflex impulse to contract.
