Physiology of the Voice

Question:

I need information about the production of the voice, the physiology of the larynx, the care of the voice and everything related to these topics.

Answer:

ANATOMICAL CONCEPTS OF THE FORMATION OF THE VOICE
The larynx is an organ that is in the average area of the neck and is delimited by a few cartilages, which in his interior include a few muscles.
The vocal cords are a few small muscles that are inside the larynx. There are two muscles of a few millimeters of length, between 9 and 11 millimeters.
Our larynx splits into three areas:

• Supraglotis: Over the vocal cords. It is the responsible part of making the stamp and the quality of the voice; it is, to understand us, which makes what we understand for voice.
• Glottis: It is the space that is between the vocal cords
• Subglottis: It is the area placed below the vocal cords, his continuation is the trachea.

PHYSIOLOGICAL CONCEPTS ON THE VOICE
The voice takes place in a very simple way, (similar: equal since the music of a wind instrument goes out). It is an air current that climbs for a pipe (trachea), and in a sudden way one presses (vocal cords) hard.
The tightening does that the air produces the vibration of the vocal cords, but the emission of the voice, owes to the coordinated action of an infinity of muscles and organs; abdomen, thorax, neck, face. We know that the air expulsion on the part of the lungs reaches in the low area of the vocal cords, a pressure of 7 centimeters of water in the normal conversations.
The resonance cavities are indispensable for the emission of the voice. These cavities start in the subglottal region and in an ascending way there are the low part of the pharynx (hypopharynx), the mouth cavity, palate, the bosoms paranasales, the rinofaringe, between the most important cavities.
These resonance cavities are determinant for our voice. The whole world notices the difference between a piano of wall and a grand piano for example.

CONSERVATION OF THE VOICE MORE APPROPRIATE MECHANISMS:
Possibly they can it will enumerate lists of care and of personal or copied methods of our grandparents, other relatives or acquaintances; possibly all of them have his porqué and to be useful for certain persons and in certain moments.
Basically there are two:

• 1. Correct nasal respiration
• 2. Correct muscular relaxation

The nasal respiration is the one that determines the air that we breathe, and on having spent this one across the larynx and in contact with the vocal cords it does not damage them.
The correct muscular relaxation is the person in charge of avoiding the sobreesfuerzos that could realize the laryngeal muscles and avoid this way the possible damage of the vocal cords.
A greeting.

 

X-rays and Pregnancy

Question:

I go to uds. With a big worry since I finish of finding out that I am pregnant and I surrendered to two meetings of beams - x (column radiographies straight ahead and profile), when my baby had approximately 8 days of gestated. I have read in the radiology topics, that these beams can cause mutations of different nature in the adn of the cells of the baby. My consultation is: what type of genetic alterations can my baby suffer?. what be what I must do? In this moment I have a pregnancy of 24 days. I wait for his urgent answer. Thank you very much for his attention.

Answer:

The maternal therapy with radiation it could have associated X with the presence of microcephaly and mental deficiency.
For the mother, the radiation (including the exhibition to the x-rays at the beginning of the pregnancy) can put in danger to the fetus, but only if it is excessive. Any woman who suspects that she can be pregnant must say to his doctor (a) or dentist so that any necessary precaution to protect to the fetus could take.
For the women gestantes the dose for the fetus from the diagnosis of the pregnancy up to the end, must not exceed 10 mSv (1 rem). Two X-rays do not suppose this number therefore I believe that you can be reasonably calm.
It can see more in:

• http://www.noah.cuny.edu/sppregnancy/march_of_dimes/birth_defects/spbdbrochr.html

A greeting

 

Distonías Neurovegetativas

Question:

This consultation realized it like general culture and to learn a little more.

1. I have read in some book that an adrenaline excess can produce sickness. My consultation is: porqué is it possible to produce an adrenaline excess in the organism, and how they are and how long this sickness would last for the above mentioned excess? hours, days, months?
2. My second question is on the cervical ones: also I have read that can produce sickness and pins and needles for the hands and the legs. is it true? is it this sickness of equal type that the previously consulted adrenaline excess?.

Thanks a lot.

Answer:

The liberation of adrenaline and other catecolaminas they take place in answer to situations of sico-physical stress or for ingestion of stimulants or illnesses of the adrenal glands (where the catecolaminas are made). The picture to which you refer probably is the distonía neurovegetativa, which is characterized by a malfunction of the vegetative centers resulting in an inadequate adrenaline liberation and producing between others the sickness that you mention. Neither his cause nor his duration is known and the treatment is symptomatic.
The illnesses that they affect to the cervical vertebrae can affect to the roots of the spinal cord that go out for the conjunction holes between the vertebrae, producing compression on these roots and giving symptoms as pins and needles, alteration motorboat... but not sickness.
A greeting.

 

Information

Question:

I would like that the information of the opened was extending me on his page and knowledge in which country they operate. Thank you

Answer:

The on-line questions are to extend information about some topic and not to realize diagnoses.
Our operations country is Spain, and our head office in Bilbao.
I hope that this information should be sufficient, if you consider some more concrete clarification to be necessary in some point you communicate it to us.

 

General medicine

Question:

First of all, simply I want to give them my congratulations for his web page; it has been of big help for some of my doubts.
I would like that they were informing me about the availability of some reference book on the topics that they present in his web that expresses itself in a similar language. It would be of big interest for us.
Greetings and thank you anticipated

Answer:

The most finished familiar reference book is the Book of the Familiar Health of the Clinic In May. It is possible to find in role or in CD - ROM in http://www.amazon.com/
- May Clinic Family Health Book ~ Ships in 2-3 days
David E. Larson (Publisher), May Clinic / Hardcover / Published 1996
- May Clinic Family Health Book