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  • Term: head concussion
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    head concussion!


    head concussion

    Comprehensive Analysis



    1) "Head" -- As to head concussion

    1head
    Pronunciation: 'hed
    Function: noun
    Etymology: Middle English hed, from Old English hEafod; akin to Old High German houbit head, Latin caput
    1 : the upper or anterior division of the animal body that contains the brain, the chief sense organs, and the mouth
    2 a : the seat of the intellect : MIND <two heads are better than one> b : a person with respect to mental qualities <let wiser heads prevail> c : natural aptitude or talent <a good head for figures> d : mental or emotional control : POISE <a level head> e : HEADACHE
    3 : the obverse of a coin -- usually used in plural <heads, I win>
    4 a : PERSON, INDIVIDUAL <count heads> b plural head : one of a number (as of domestic animals)
    5 a : the end that is upper or higher or opposite the foot <the head of the table> <head of a sail> b : the source of a stream c : either end of something (as a drum) whose two ends need not be distinguished
    6 : DIRECTOR, LEADER: as a : HEADMASTER b : one in charge of a division or department in an office or institution <the head of the English department>
    7 a : CAPITULUM 2 b : the foliaged part of a plant especially when consisting of a compact mass of leaves or close fructification <a head of lettuce>
    8 a : the leading element of a military column or a procession b : HEADWAY
    9 a : the uppermost extremity or projecting part of an object : TOP b : the st
    "Human Head" redirects here. For the game developer, see Human Head Studios.
    the human head

    In anatomy, the head of an animal is the rostral part (from anatomical position) that usually comprises the brain, eyes, ears, nose, and mouth (all of which aid in various sensory functions, such as sight, hearing, smell, and taste). Some very simple animals may not have a head, but many bilaterally symmetric forms do.

    • 1 Anatomy in humans
      • 1.1 Bones of the head
      • 1.2 Anatomy of the face
    • 2 Anatomy in non-humans
      • 2.1 Bilateral symmetry
    • 3 Cultural import
    • 4 Clothing
    • 5 Pseudoscientific study of the human head
    • 6 References
    • 7 See also
    • 8 External links
    An adult human skull. Fig.190, from Gray's Anatomy

    The skull is divided into the cranium (all the skull bones except the mandible) and the mandible (or jawbone). One feature that distinguishes mammals and non-mammals is that there are also three ear bones (called ossicles):

    • malleus (hammer)
    • incus (anvil)
    • stapes (stirrup)

    These ossicles are important components in the sense of hearing in mammals. Other animals have a single bone that is usually called the columella.

    The cranium can be divided into a skull cap (or calvarium) and base. The cranium consists of several bones which fuse together at junctions called sutures. Several sutures join to form a pterion. This process of bone fusion occurs in utero to protect the most important organ in the body, the brain. Although most fusing is complete before birth, there are large areas of fibrous tissue (called fontanelles) where fusion is incomplete until puberty. The fontanelle above the ..."



    2) "Concussion" -- As to head concussion

    con·cus·sion
    Pronunciation: k&n-'k&-sh&n
    Function: noun
    Etymology: Middle English concussioun, from Latin concussion-, concussio, from concutere to shake violently, from com- + quatere to shake
    1 a : a stunning, damaging, or shattering effect from a hard blow; especially : a jarring injury of the brain resulting in disturbance of cerebral function b : a hard blow or collision
    2 : AGITATION, SHAKING
    synonym see IMPACT
    - con·cus·sive /-'k&-siv/ adjective
    Pronunciation Symbols

    Concussion of the brain
    Classification & external resources
    ICD-10 S06.0
    ICD-9 850

    Concussion, or mild traumatic brain injury (MTBI), is the most common and least serious type of traumatic brain injury. A milder type of diffuse axonal injury, concussion involves a transient loss of mental function. It can be caused by acceleration or deceleration forces, or by a direct blow. Concussion is generally not associated with penetrating injuries.

    • 1 Pathophysiology
    • 2 Symptoms
    • 3 Grades
    • 4 Lasting effects
      • 4.1 Post-concussion syndrome
      • 4.2 Dementia pugilistica
    • 5 Second Impact Syndrome
    • 6 See also
    • 7 References

    The brain floats within the skull surrounded by cerebrospinal fluid (CSF), one of the functions of which is to protect the brain from normal light "trauma", e.g., being jostled in the skull by walking, jumping, etc., as well as mild head impacts. More severe impacts or the forces associated with rapid acceleration/deceleration may not be absorbed by this cushion.

    Concussion is considered a type of diffuse brain injury, as opposed to focal brain injury, meaning that the dysfunction occurs over a more widespread area of the brain.

    Excitatory neurotransmitters are released as the result of the traumatic injury and cause the brain to enter a state of hypermetabolism which can last for 7 to 10 days.[1] During this time, the brain needs extra nutrients and is especially sensitive to inadequate blood flow.

    Areas of the brain whose function is commonly disturbed in concussion include the reticular f..."



    Further Data On Term for head concussion

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    Regularly Occuring Typos with head concussion include: ehad haed heda ead had hed hea yead gead jead bead nead hwad hsad hdad hrad haad hiad hoad huad heqd hesd hezd heed heid heod heud heas heax heac heaf heae heat ocncussion cnocussion cocnussion conucssion concsusion concussion concusison concussoin concussino oncussion cncussion cocussion conussion concssion concusion concusion concusson concussin concussio xoncussion doncussion foncussion voncussion koncussion cincussion ckncussion clncussion cpncussion cancussion cencussion cuncussion cobcussion cohcussion cojcussion comcussion conxussion condussion confussion convussion conkussion concyssion concjssion concission concassion concession concossion concuasion concuwsion concudsion concuxsion concuzsion concusaion concuswion concusdion concusxion concuszion concussuon concusskon concussoon concussaon concusseon concussuon concussiin concussikn concussiln concussipn concussian concussien concussiun concussiob concussioh concussioj concussiom

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