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Hemisphere
Hemisphere As applied to the brain, either its left or its right half.
RELATED TERMS--------------------------------------
Brain
"That part of the central nervous system that is located within the cranium (skull). The brain functions as the primary receiver, organizer and distributor of information for the body. It has two (right and left) halves called ""hemispheres."" "
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Hemianopia
A loss of one-half of the field of vision; for example, all of the right side of vision is gone. This is sometimes seen in older people with vascular problems, in certain types of brain tumors or after head trauma.
Hemianopsia
Loss of one half of the field of vision (the area that can be seen by each eye when staring straight ahead).
Hemiarthroplasty
Partial joint replacement - in the knee for example.
Hemineglect
A condition following damage to the parietal stream of one hemisphere in which individuals are unaware of stimuli from the hemifield that projects to that hemisphere.
Hemiparesis
Muscle weakness of one side of the body.
Hemiplegia
Paralysis of one side of the body as a result of injury to neurons carrying signals to muscles from the motor areas of the brain.
PREVIOUS AND NEXT TERMS--------------------------------------
Hybridoma
A hybrid cell that results from the fusion of an antibody-secreting cell with a malignant cell; the progeny secrete antibody without stimulation and proliferate continuously both in vivo and in vitro.
Hypersensitivity
State of reactivity to antigen that is greater than normal for the antigenic challenge; hypersensitivity is the same as allergy and denotes a deleterious outcome rather than a protective one.
Hypervariable regions
Portions of the light and heavy immunoglobulin chains that are highly variable in amino acid sequence from one immunoglobulin molecule to another, and that, together, constitute the antigen-binding site of an antibody molecule. Also, portions of the T-cell receptor which constitute the antigen-binding site.
Hallucinosis
A morbid condition, as in acute alcoholic hallucinosis, which is characterized by recurrent acute attacks marked by hallucinated auditory threats of persecution.
Haptic
Having to do with touch and the sense of touch. 2. Pertaining to the skin feelings and the sense of touch.
Hemisphere
Hermaphroditism
Having genital attributes of both sexes. Some invertebrates are simultaneous hermaphrodites, and some fish are sequential hermaphrodites that change from male to female, or vice versa, once or more often in the course of a lifetime. In the human species, hermaphroditism is a form of birth defect, also known as intersexuality. It is defined as male or female hermaphroditism, if only testes or ovaries are present, respectively; as true hermaphroditism if both tissues are found as in ovotestes, and as gonadally dysgenic [dysgenetic?] when neither tissue is clearly differentiated. Human hermaphrodites do not have the complete sex organs of both sexes. A congenital condition of ambiguity of the reproductive structures so that the sex of the individual at birth is not clearly defined as exclusively male or exclusively female. The condition is named for Hermes and Aphrodite, the Greek god and goddess of love.
Heterogeneous
Dissimilar in type, and having different or opposing characteristics.
Heterophilia
The condition in which love and lust are attached to those of the other sex. A condition of being in which sexuoerotic arousal and facilitation or attainment of orgasm are responsive to, and dependent upon a partner of the other morphologic sex.
Heterophobia
The condition in which those whose love and lust are attached to persons of the other sex are dreaded or feared.
Heterosexual
Characterized by other-sex contact, either as a genital act or as a long-term sexuoerotic status. It is analogous to right-handedness in being in conformity with the norm and therefore is not pathological in itself, though subject to other pathology. A heterosexual person is able to fall in love with, and become the pairbonded sexuoerotic partner of only a person of the other morphologic sex. Paraphilias occur predominantly in association with heterosexual pairing. The ideation and affective state, exclusive of the behavioral component, is heterophilia.
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