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| This glossary contains: 19186 medical terms |
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Chordee
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Chordee Fixed curvature or tying down of the penis or hypertrophied clitoris as in the hypospadiac birth defect characteristic of various types of hermaphroditism.
RELATED TERMS--------------------------------------
Penis
The male sex organ, which consists of a head called glans, and the shaft or body. At the tip of the glans is the urethral opening, through which urine and semen leave the body. The shaft or the body of the penis is made of spongy tissue and blood vessels. And it fills with blood an grows in size (becomes erect) during sexual excitement.
Clitoris
The small, hooded organ (the clitoral glans) at the top of the cleft of the female vulva, which is the counterpart of the penis in the male [from Greek, kleitoris, clitoris]. Usually only the glans of the clitoris is externally visible. In the human female the body of the clitoris extends internally on either side of the vulva and vestibule. In total the clitoris is about 80 percent the size of the male penis.
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.
SIMILAR TERMS--------------------------------------
Chorda tympani
A branch of the facial nerve (the seventh cranial nerve) that serves the taste buds in the front of the tongue, runs through the middle ear, and carries taste messages to the brain.
Chordae Tendinae
The thin, fibrous chords that lead from the valve leaflets to the small papillary muscles within the heart muscle wall, contributes to the support of the tricuspid and mitral valves.
Chordae tendineae
Thread-like bands of fibrous tissue which attach on one end to the edges of the tricuspid and mitral valves of the heart and on the other end to the papillary muscles, small muscles within the heart that serve to anchor the valves.
Chordoma
A form of bone cancer that usually starts in the lower spinal column.
Chorea
Rapid, jerky, dance-like movement of the body.
Chorioangioma, placental
A benign vascular (blood vessel) tumor of the placenta (afterbirth). Large chorioangiomas cause complications including polyhydramnios (excess amniotic fluid), maternal and fetal clotting problems (coagulopathies), premature delivery, toxemia, fetal heart failure, and hydrops (excess fluid) affecting the fetus.
Choriocarcinoma
A highly malignant tumor that arises from trophoblastic cells within the uterus. Choriocarcinoma tends to be invasive and to metastasize early and widely through both the venous and lymphatic systems. Choriocarcinoma is one of the two types of gestational trophoblastic tumor, the other being hydatidiform mole.
Chorion
The outermost of the two membranes surrounding the embryo/fetus, part of which forms the fetal portion of the placenta.
Chorionic gonadotropin
Human chorionic gonadotropin (hCG) is a peptide hormone produced in pregnancy, that is made by the embryo soon after conception and later by the trophoblast (part of the placenta). Its role is to prevent the demise of the corpus luteum of the ovary and thereby maintain progesterone production that is critical for a pregnancy in humans. hCG may have additional functions, for instance it is thought that it affects the immune tolerance of the pregnancy.
Chorionic villus sampling
A procedure for first-trimester prenatal diagnosis. Chorionic villus sampling may be done between the eighth and tenth weeks of pregnancy. The aim is to diagnose severe abnormalities afflicting the fetus. In the procedure, tissue is withdrawn from the villi (vascular fingers) of the chorion, a part of the placenta, and examined. Chorionic villus sampling is referred to commonly as CVS.
Chorionic Villus Sampling (CVS)
A procedure in which a small sample of cells are taken from the placenta through a small catheter placed up through the vagina and the cervix. This is done earlier in pregnancy than amniocentesis and is used to test for chromosomal and other biochemical abnormalities that may affect the health and well being of the baby.
Chorioretinitis
An inflammation of the back of the eye involving the choroid and retina. It may be due to a number of different diseases, which affect the body such as toxoplasmosis, histoplasmosis, sarcoidosis, tuberculosis and syphilis.
Choroid
This is the vascular coat between the sclera and the retina, which furnishes blood and nutrition to the outer layer of the retina.
Choroideremia
Atrophy or decay of the choroid, choriocapillaris and Bruch’s membrane of the eye, leading to a severe loss of vision. Usually progresses to light perception by 50 years of age. Leads to night blindness tunnel vision and reduced visual acuity. No treatment available.
Choroiditis
An inflammation of the back of the eye involving the choroid and retina. It may be due to a number of different diseases, which affect the body such as toxoplasmosis, histoplasmosis, sarcoidosis, tuberculosis and syphilis.
PREVIOUS AND NEXT TERMS--------------------------------------
Catecholamine
One of the biogenic amines, including epinephrine, which is both a hormone (adrenaline) and a neurotransmitter; and dopamine, a neurotransmitter.
Catheterophilia
A paraphilia of the fetishistic/talismanic type in which sexuoerotic arousal and facilitation or attainment of orgasm are responsive to and contingent on having a catheter inserted up into the urethra.
Central Nervous System
That part of the nervous system that includes exclusively the bone encased brain and the spinal cord, as opposed to the outlying peripheral nervous system, consisting of the somatic nervous system, which governs usually voluntary musculo-skeletal reactions and the autonomic nervous system, which controls usually involuntary visceral, homeostatic, glandular and circulatory activity.
Cerebral cortex
The external gray layer of the brain, the neocortex
Cervix
The neck or neck-like part of an organ; specifically the neck of the lower part of the uterus, or womb, where the vagina and uterus unite.
Chordee
Chrematistophilia
A paraphilia of the mercantile/venal type in which sexuoerotic arousal and facilitation or attainment of orgasm are responsive to, and contingent on being charged or forced to pay, or being robbed by the sexual partner for sexual services.
Chromosomal mosaicism
A chromosomal pattern in which some cells of the body have the standard number of chromosomes (46,XX or 46,XY), and others have more or less, as in 45,X/46,XY (a mosaic variety of Turner's syndrome); or 46,XY/47,XXY (a mosaic variety of Klinefelter's syndrome), and many others.
Chronophilia
One of a group of paraphilias of the stigmatic/eligibilic type in which the paraphile's sexuoerotic age is discordant with his/her actual chronological age and is concordant with the age of the partner, as in, respectively, infantilism or nepiophilia; juvenilism or pedophilia; adolescentilism or ephebophilia (Lolita syndrome); and gerontalism or gerontophilia.
Cherambault-Kandinsky Syndrome
A paraphilia of the solicitational/allurative stratagem; a sexuoerotic pathology in which a [person] male or female has a limerent fixation on someone unattainable, an unshakable and false conviction that his/her own life is totally under the control of the unattainable one, and that the unattainable one reciprocates his/her love, limerence or love-smitteness secretly if not openly.
Circadian
Fluctuating regularly on a time basis usually entrained to a metabolic, endocrine, neurochemical, light-dark, temperature, or seasonal cycle (see also diurnal, ultradian). There are very fast biorhythm cycles such as in the EEG and ECG, a 90-minute cycle seen in REM-NREM sleep or in waking attentive/alert-drowsy/inattentive swing, a twice daily body temperature peak and slump. a 24-hour ACTH cycle, a monthly menstrual cycle, and possibly longer seasonal cycles not yet thoroughly described.
RELATED TERMS--------------------------------------
Penis
The male sex organ, which consists of a head called glans, and the shaft or body. At the tip of the glans is the urethral opening, through which urine and semen leave the body. The shaft or the body of the penis is made of spongy tissue and blood vessels. And it fills with blood an grows in size (becomes erect) during sexual excitement.
Clitoris
The small, hooded organ (the clitoral glans) at the top of the cleft of the female vulva, which is the counterpart of the penis in the male [from Greek, kleitoris, clitoris]. Usually only the glans of the clitoris is externally visible. In the human female the body of the clitoris extends internally on either side of the vulva and vestibule. In total the clitoris is about 80 percent the size of the male penis.
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.
SIMILAR TERMS--------------------------------------
Chorda tympani
A branch of the facial nerve (the seventh cranial nerve) that serves the taste buds in the front of the tongue, runs through the middle ear, and carries taste messages to the brain.
Chordae Tendinae
The thin, fibrous chords that lead from the valve leaflets to the small papillary muscles within the heart muscle wall, contributes to the support of the tricuspid and mitral valves.
Chordae tendineae
Thread-like bands of fibrous tissue which attach on one end to the edges of the tricuspid and mitral valves of the heart and on the other end to the papillary muscles, small muscles within the heart that serve to anchor the valves.
Chordoma
A form of bone cancer that usually starts in the lower spinal column.
Chorea
Rapid, jerky, dance-like movement of the body.
Chorioangioma, placental
A benign vascular (blood vessel) tumor of the placenta (afterbirth). Large chorioangiomas cause complications including polyhydramnios (excess amniotic fluid), maternal and fetal clotting problems (coagulopathies), premature delivery, toxemia, fetal heart failure, and hydrops (excess fluid) affecting the fetus.
Choriocarcinoma
A highly malignant tumor that arises from trophoblastic cells within the uterus. Choriocarcinoma tends to be invasive and to metastasize early and widely through both the venous and lymphatic systems. Choriocarcinoma is one of the two types of gestational trophoblastic tumor, the other being hydatidiform mole.
Chorion
The outermost of the two membranes surrounding the embryo/fetus, part of which forms the fetal portion of the placenta.
Chorionic gonadotropin
Human chorionic gonadotropin (hCG) is a peptide hormone produced in pregnancy, that is made by the embryo soon after conception and later by the trophoblast (part of the placenta). Its role is to prevent the demise of the corpus luteum of the ovary and thereby maintain progesterone production that is critical for a pregnancy in humans. hCG may have additional functions, for instance it is thought that it affects the immune tolerance of the pregnancy.
Chorionic villus sampling
A procedure for first-trimester prenatal diagnosis. Chorionic villus sampling may be done between the eighth and tenth weeks of pregnancy. The aim is to diagnose severe abnormalities afflicting the fetus. In the procedure, tissue is withdrawn from the villi (vascular fingers) of the chorion, a part of the placenta, and examined. Chorionic villus sampling is referred to commonly as CVS.
Chorionic Villus Sampling (CVS)
A procedure in which a small sample of cells are taken from the placenta through a small catheter placed up through the vagina and the cervix. This is done earlier in pregnancy than amniocentesis and is used to test for chromosomal and other biochemical abnormalities that may affect the health and well being of the baby.
Chorioretinitis
An inflammation of the back of the eye involving the choroid and retina. It may be due to a number of different diseases, which affect the body such as toxoplasmosis, histoplasmosis, sarcoidosis, tuberculosis and syphilis.
Choroid
This is the vascular coat between the sclera and the retina, which furnishes blood and nutrition to the outer layer of the retina.
Choroideremia
Atrophy or decay of the choroid, choriocapillaris and Bruch’s membrane of the eye, leading to a severe loss of vision. Usually progresses to light perception by 50 years of age. Leads to night blindness tunnel vision and reduced visual acuity. No treatment available.
Choroiditis
An inflammation of the back of the eye involving the choroid and retina. It may be due to a number of different diseases, which affect the body such as toxoplasmosis, histoplasmosis, sarcoidosis, tuberculosis and syphilis.
PREVIOUS AND NEXT TERMS--------------------------------------
Catecholamine
One of the biogenic amines, including epinephrine, which is both a hormone (adrenaline) and a neurotransmitter; and dopamine, a neurotransmitter.
Catheterophilia
A paraphilia of the fetishistic/talismanic type in which sexuoerotic arousal and facilitation or attainment of orgasm are responsive to and contingent on having a catheter inserted up into the urethra.
Central Nervous System
That part of the nervous system that includes exclusively the bone encased brain and the spinal cord, as opposed to the outlying peripheral nervous system, consisting of the somatic nervous system, which governs usually voluntary musculo-skeletal reactions and the autonomic nervous system, which controls usually involuntary visceral, homeostatic, glandular and circulatory activity.
Cerebral cortex
The external gray layer of the brain, the neocortex
Cervix
The neck or neck-like part of an organ; specifically the neck of the lower part of the uterus, or womb, where the vagina and uterus unite.
Chordee
Chrematistophilia
A paraphilia of the mercantile/venal type in which sexuoerotic arousal and facilitation or attainment of orgasm are responsive to, and contingent on being charged or forced to pay, or being robbed by the sexual partner for sexual services.
Chromosomal mosaicism
A chromosomal pattern in which some cells of the body have the standard number of chromosomes (46,XX or 46,XY), and others have more or less, as in 45,X/46,XY (a mosaic variety of Turner's syndrome); or 46,XY/47,XXY (a mosaic variety of Klinefelter's syndrome), and many others.
Chronophilia
One of a group of paraphilias of the stigmatic/eligibilic type in which the paraphile's sexuoerotic age is discordant with his/her actual chronological age and is concordant with the age of the partner, as in, respectively, infantilism or nepiophilia; juvenilism or pedophilia; adolescentilism or ephebophilia (Lolita syndrome); and gerontalism or gerontophilia.
Cherambault-Kandinsky Syndrome
A paraphilia of the solicitational/allurative stratagem; a sexuoerotic pathology in which a [person] male or female has a limerent fixation on someone unattainable, an unshakable and false conviction that his/her own life is totally under the control of the unattainable one, and that the unattainable one reciprocates his/her love, limerence or love-smitteness secretly if not openly.
Circadian
Fluctuating regularly on a time basis usually entrained to a metabolic, endocrine, neurochemical, light-dark, temperature, or seasonal cycle (see also diurnal, ultradian). There are very fast biorhythm cycles such as in the EEG and ECG, a 90-minute cycle seen in REM-NREM sleep or in waking attentive/alert-drowsy/inattentive swing, a twice daily body temperature peak and slump. a 24-hour ACTH cycle, a monthly menstrual cycle, and possibly longer seasonal cycles not yet thoroughly described.
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This dictionary contains 19186 terms.
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