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Mastoiditis
Mastoiditis An infection of the mastoid bone that can cause redness, warmth, swelling and pain behind the ear, sometimes with drainage from the ear.
RELATED TERMS--------------------------------------
Infection
Anything that invades the body and reproduces. Infections can be bacteria, protozoa, fungi, or viruses. Bacteria and fungi are one celled creatures that cause many infections including strep throat, bladder infections, and some lung infections. Fungi cause “athlete’s foot” and thrush, an infection in the mouth. Protozoa are small organisms with many cells that can cause infections in the guts or in the lungs. Most healthy people do not get protozoal infections, but people with suppressed immune systems can. Viruses are not really organisms; they are tiny particles that can live only inside another cell. They reproduce by taking over a cell and causing that cell to make more virus particles, rather than doing what the cell is supposed to do. Viruses cause most colds and flu cases.
Mastoid
A bony, rounded projection of the skull located behind each ear.
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.
Pain
An unpleasant sensory or emotional experience primarily associated with tissue damage, or described in terms of tissue damage, or both.
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--------------------------------------
Mast cell
Tissue located cell probably derived from basophils. Possesses receptor for Fc of IgE. Participates in 'Immediate hypersensitivity' reactions.
Mast cells
Cells, which synthesize and store histamines, found in most body tissues, particularly just below the epithelial surfaces, serous cavities and around blood vessels. In an allergic response, an allergen stimulates the release of antibodies, which attach themselves to mast cells.
Mastectomy
Surgical removal of the entire breast. Radical mastectomy is surgical removal of the breast muscle and any number of lymph nodes; bilateral mastectomy is surgical removal of both breasts.
Master
Sadomasochistic vernacular term for the sadistic partner whose role is one of total domination and disciplinarian.
Masterton Hospital
The Masterton Hospital is a hospital in Central North Island, New Zealand.
Mastication
Process of chewing food.
Mastitis
Infection of the milk ducts in the breast.
Mastoid
A bony, rounded projection of the skull located behind each ear.
Masturbation
Sexuoerotic genital self-stimulation by pressure or touch, self-stimulation, usually though not necessarily climaxing in orgasm [from Latin, manus, hand + st[u]parare, to deflower, ravish, fornicate, or to engage in adultery, incest, or rape]. From its Latin derivation, the literal meaning of masturbation is to use the genitalia to ravish or rape the hand. etymologically, hand-rape, the manual practice of erotic self-stimulation, formerly stigmatized as a crime against nature. Today it is considered normal and healthy and is not limited to either the hands or the self. It includes digital stimulation of the genitalia of a partner as well as of oneself.
Masturbation fantasy
Cognitional rehearsal of erotically stimulating activity that accompanies, and may precede, an episode of masturbation. To the extent that the content of its imagery and ideation, like that of a sleeping dream, has a high degree of autonomy and individual specificity in its power to stimulate genital arousal, it is not voluntarily chosen or preferred. 2. Imagery of erotically stimulating content that accompanies, and may precede, an episode of masturbation. Like the imagery of a sleeping dream, its content has a high degree of autonomy and is not voluntarily chosen.
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Malunion
Improper healing of the pieces of a broken bone.
Mammary
Having to do with the breast.
Mania
A mental disorder. Characterized by extreme excitement and energy.
Manic-depressive
A mental disorder marked by alternating periods of excitability and depression. Also called bipolar affective disorder.
Mastoid
A bony, rounded projection of the skull located behind each ear.
Mastoiditis
Maxillae
The pair of bones forming the upper jaw.
Median nerve
The nerve that stimulates some of the muscles of the hand and wrist.
Mediastinum
The tissues and organs located directly behind the sternum between the lungs. Contains the heart and its large vessels, the esophagus, thymus, lymph nodes and other structures and tissues.
Medulla
The inner part of an organ. The adrenal medulla is the center of the adrenal gland where epinephrine (adrenaline) is produced.
Medulla oblongata
The part of the brain just above the spinal cord that includes the control centers for breathing, circulation and heartbeat.
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