Moebius syndrome is a rare congenital (present at birth) condition that results from underdevelopment of
the facial nerves
that control some of the eye movements and facial expressions. The condition can also affect the nerves responsible for speech, chewing and swallowing.
What cranial nerves are affected in Moebius syndrome?
Moebius syndrome is a rare birth defect caused by the absence or underdevelopment of
the 6th and 7th cranial nerves
, which control eye movements and facial expression. Many of the other cranial nerves may also be affected, including the 3rd, 5th, 8th, 9th, 11th and 12th.
What is the inability to smile called?
Moebius syndrome
is often associated with a variety of social and psychological consequences. The lack of facial expressions and the inability to smile can cause observers to misinterpret what an affected individual is thinking or feeling or intends.
Is Moebius syndrome a mutation?
Mutations of the genes PLXND1 and REV3L
have also been pinpointed as being associated with Moebius syndrome, based on animal studies showing nerve deficits typical of the syndrome when mutations of those genes are introduced in animals.
What is the lifespan of someone with Moebius syndrome?
With continued proper medical care, individuals with Moebius syndrome , who do not have serious life threatening complications in their first year of life, usually have
a normal life expectancy
.
What is Noonan syndrome?
Noonan syndrome is
a genetic disorder that prevents normal development in various parts of the body
. A person can be affected by Noonan syndrome in a wide variety of ways. These include unusual facial characteristics, short stature, heart defects, other physical problems and possible developmental delays.
What does Moebius syndrome look like?
Moebius Syndrome Symptoms
Weakness or complete paralysis of the facial muscles
.
Trouble swallowing or sucking
.
Difficulties with
speech and frequent drooling. Inability to form facial expressions, including smiling, frowning, raising eyebrows, puckering lips or closing eyes.
Can you smile permanently?
But a new technique called
“Smile Lipt”
carves a permanent smile into an otherwise angry face. The procedure, whose name combines “lip” with “lift”—get it? —turns up the corners of the mouth using a technique that’s a milder version of what Scottish hoodlums might call the “Glasgow grin.”
Is it harder to smile or frown?
A
true smile
— the kind that involves eye muscles that only 1 percent or so of humans can consciously control — probably takes quite a few more muscles than a frown, while a slight, we-are-not-amused, corners-of-the-mouth upturn takes the tug of only one or two pair.
Is Moebius syndrome a disability?
If you or your dependent(s) are diagnosed with Moebius Syndrome and experience any of these symptoms, you may be eligible for
disability
benefits from the U.S. Social Security Administration.
Can Moebius syndrome be detected before birth?
Precise ultrasonography should be performed to detect any malformations possibly related to misoprostol exposure (e.g. limb defects), although
it is almost impossible to detect cranial nerve palsies of Moebius syndrome before birth
.
What is Rosenthal syndrome?
Definition. Melkersson-Rosenthal syndrome is a
rare neurological disorder characterized by recurring facial paralysis, swelling of the face and lips
(usually the upper lip), and the development of folds and furrows in the tongue. Onset is in childhood or early adolescence.
How does Moebius syndrome affect people?
Weakness or paralysis of the facial muscles
is one of the most common features of Moebius syndrome. Affected individuals lack facial expressions; they cannot smile, frown, or raise their eyebrows. The muscle weakness also causes problems with feeding that become apparent in early infancy.
What is the meaning of Mobius?
In mathematics, a Möbius strip, band, or loop (US: /ˈmoʊbiəs, ˈmeɪ-/ MOH-bee-əs, MAY-, UK: /ˈmɜːbiəs/; German: [ˈmøːbi̯ʊs]), also spelled Mobius or Moebius, is
a surface with only one side (when embedded in three-dimensional Euclidean space) and only one boundary curve
.
What are some real life applications of the Mobius strip?
Other practical applications of Mobius Strips have included
half-twisted, continuous- loop recording tapes
(to double the playing time), typewriter ribbons, and computer printer cartridges.
What are the characteristics of Williams syndrome?
Williams syndrome, also known as Williams-Beuren syndrome, is a rare genetic disorder characterized by growth delays before and after birth (prenatal and postnatal growth retardation),
short stature, a varying degree of mental deficiency, and distinctive facial features that typically become more pronounced with age
.
