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| This glossary contains: 19186 medical terms |
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Hammer
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HammerThe malleus, a hammer-shaped bone in the middle ear.
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Malleus
A small bone in the middle ear, often called the hammer.
Bone
Bone refers either to a hardened connective tissue or to one of the individual structures, or organs, into which it is formed, found in many animals. Bones support body structures, protect internal organs, and (in conjunction with muscles) facilitate movement; are also involved with cell formation, calcium metabolism, and mineral storage. The bones of an animal are, collectively, known as the skeleton.
Ear
The hearing organ. There are three sections of the ear, according to the anatomy textbooks. They are the outer ear (the part we see along the sides of our head behind the temples), the middle ear, and the inner ear. But in terms of function, the ear has four parts: those three and the brain. Hearing thus involves all parts of the ear as well as the auditory cortex of the brain. The external ear helps concentrate the vibrations of air on the ear drum and make it vibrate. These vibrations are transmitted by a chain of little bones in the middle ear to the inner ear. There they stimulate the fibers of the auditory nerve to transmit impulses to the brain.
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Hammertoe
A permanent sideways bend in the middle toe joint.
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Hypersomnia
Excessive difficulty maintaining an alert awake state during the day, or undesired daytime sleep episodes. sleepiness, as evidenced by prolonged nocturnal sleep, ideas of reference The feeling that casual incidents and external events have a particular and unusual meaning that is specific to the person. This is to be distinguished from a delusion of reference, in which there is a belief that is held with delusional conviction
Hypnagogic
Referring to the semiconscious state immediately preceding sleep; may include hallucinations that are of no pathological significance.
Hypnopompic
Referring to the state immediately preceding awakening; may include hallucinations that are of no pathological significance.
Heat stroke
Or Heat Exhaustion. A condition, when the body overheats. The first step is when the body will franticaly try to cool itself with sweat; heatstroke is when the cooling mechanism breaks down, sweating ceases, and the patient goes into shock. This is a serios emergency, and is fatal if untreated.
Habitual abortion
The miscarriage of 3 or more consecutive pregnancies. The abortion of 3 or more miscarriages (spontaneous abortions) with no intervening pregnancies is also termed recurrent abortion. Habitual or recurrent abortion is a form of infertility. It is sometimes due to chromosome abnormalities or other genetic causes.
Hammer
Hamstring
The tendon located in the back of the knee and lower thigh.
Hand-foot-and-mouth disease
A viral infection characterized by a blister-like rash of the hands, feet and mouth.
Hangnail
A loose piece of skin at one side of a fingernail.
Harelip
Cleft lip or palate.
Heart
The hollow, muscular organ responsible for pumping blood through the circulatory system.
RELATED TERMS--------------------------------------
Malleus
A small bone in the middle ear, often called the hammer.
Bone
Bone refers either to a hardened connective tissue or to one of the individual structures, or organs, into which it is formed, found in many animals. Bones support body structures, protect internal organs, and (in conjunction with muscles) facilitate movement; are also involved with cell formation, calcium metabolism, and mineral storage. The bones of an animal are, collectively, known as the skeleton.
Ear
The hearing organ. There are three sections of the ear, according to the anatomy textbooks. They are the outer ear (the part we see along the sides of our head behind the temples), the middle ear, and the inner ear. But in terms of function, the ear has four parts: those three and the brain. Hearing thus involves all parts of the ear as well as the auditory cortex of the brain. The external ear helps concentrate the vibrations of air on the ear drum and make it vibrate. These vibrations are transmitted by a chain of little bones in the middle ear to the inner ear. There they stimulate the fibers of the auditory nerve to transmit impulses to the brain.
SIMILAR TERMS--------------------------------------
Hammertoe
A permanent sideways bend in the middle toe joint.
PREVIOUS AND NEXT TERMS--------------------------------------
Hypersomnia
Excessive difficulty maintaining an alert awake state during the day, or undesired daytime sleep episodes. sleepiness, as evidenced by prolonged nocturnal sleep, ideas of reference The feeling that casual incidents and external events have a particular and unusual meaning that is specific to the person. This is to be distinguished from a delusion of reference, in which there is a belief that is held with delusional conviction
Hypnagogic
Referring to the semiconscious state immediately preceding sleep; may include hallucinations that are of no pathological significance.
Hypnopompic
Referring to the state immediately preceding awakening; may include hallucinations that are of no pathological significance.
Heat stroke
Or Heat Exhaustion. A condition, when the body overheats. The first step is when the body will franticaly try to cool itself with sweat; heatstroke is when the cooling mechanism breaks down, sweating ceases, and the patient goes into shock. This is a serios emergency, and is fatal if untreated.
Habitual abortion
The miscarriage of 3 or more consecutive pregnancies. The abortion of 3 or more miscarriages (spontaneous abortions) with no intervening pregnancies is also termed recurrent abortion. Habitual or recurrent abortion is a form of infertility. It is sometimes due to chromosome abnormalities or other genetic causes.
Hammer
Hamstring
The tendon located in the back of the knee and lower thigh.
Hand-foot-and-mouth disease
A viral infection characterized by a blister-like rash of the hands, feet and mouth.
Hangnail
A loose piece of skin at one side of a fingernail.
Harelip
Cleft lip or palate.
Heart
The hollow, muscular organ responsible for pumping blood through the circulatory system.
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This dictionary contains 19186 terms.
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