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| This glossary contains: 19186 medical terms |
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Nocturnal emission
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Nocturnal emission A nocturnal emission is an ejaculation of semen experienced by males during sleep. It is also called a "wet dream"; this term is also used figuratively for something very pleasurable but often imagined or hoped for.
RELATED TERMS--------------------------------------
Ejaculation
Ejaculation is the process of ejecting semen from the penis, and is usually accompanied by orgasm as a result of sexual stimulation. It may also occur spontaneously during sleep (called a nocturnal emission), due to stimulating of the prostate or, rarely, due to prostatic disease.
Semen
The fluid containing sperm (the male reproductive cells) that is expelled (ejaculated) through the end of the penis when the man reaches sexual climax (orgasm).
SIMILAR TERMS--------------------------------------
Nocturia
Excessive urination at night.
Nocturnal Hypoglycemia
Hypoglycemia occurring while the patient is asleep (between the evening injection and getting up in the morning). Nocturnal hypoglycemia typically has symptoms such as restlessness, nightmares, profuse sweating, and frequently is noted by the bed-partner or parent rather than by the sleeping patient, or sometimes is unrecognized.
Nocturnal penile tumescence (NPT)
Spontaneous erection of the penis during sleep occurring from birth to advanced old age, typically in three episodes a night for a total of 2-3 hours. It is associated with the REM (rapid eye movement) phase of sleep and with erotosexual dreams. It is measured by harnessing the penis into an expandable ring. Less is known about the corresponding phenomenon in females as there is no fully satisfactory technique for measuring vasocongestion and lubrication of the female genitals.
PREVIOUS AND NEXT TERMS--------------------------------------
Neuropathy
A disease of the nervous system. The three major forms in people with diabetes are peripheral neuropathy, autonomic neuropathy, and mononeuropathy. The most common form is peripheral neuropathy, which affects mainly the legs and feet.
Nocturnal emission
Nucleotides
The components of DNA, consisting of phosphate, a sugar derivative and one of the following bases: adenine, cytosine, guanine, or thymine. They are represented by their initial letters in a nucleotide sequence.
Nitric Oxide
A protohormone that generates cyclic GMP. Nitric oxide is a free radical.
Nervous system
The system of cells, tissues and organs that regulates the body's responses to internal and external stimuli. In vertebrae it consists of the brain, spinal cord, nerves, ganglia and parts of the receptor and effector organs.
Nephrology
The medical specialty which focuses on the treatment of disorders of the kidneys.
Nearsightedness
Focusing defect in which the eye is overpowered. Light rays coming from a distant object are brought to focus before reaching the retina. Requires a minus lens correction to "weaken" the eye optically and permit clear distance vision.
RELATED TERMS--------------------------------------
Ejaculation
Ejaculation is the process of ejecting semen from the penis, and is usually accompanied by orgasm as a result of sexual stimulation. It may also occur spontaneously during sleep (called a nocturnal emission), due to stimulating of the prostate or, rarely, due to prostatic disease.
Semen
The fluid containing sperm (the male reproductive cells) that is expelled (ejaculated) through the end of the penis when the man reaches sexual climax (orgasm).
SIMILAR TERMS--------------------------------------
Nocturia
Excessive urination at night.
Nocturnal Hypoglycemia
Hypoglycemia occurring while the patient is asleep (between the evening injection and getting up in the morning). Nocturnal hypoglycemia typically has symptoms such as restlessness, nightmares, profuse sweating, and frequently is noted by the bed-partner or parent rather than by the sleeping patient, or sometimes is unrecognized.
Nocturnal penile tumescence (NPT)
Spontaneous erection of the penis during sleep occurring from birth to advanced old age, typically in three episodes a night for a total of 2-3 hours. It is associated with the REM (rapid eye movement) phase of sleep and with erotosexual dreams. It is measured by harnessing the penis into an expandable ring. Less is known about the corresponding phenomenon in females as there is no fully satisfactory technique for measuring vasocongestion and lubrication of the female genitals.
PREVIOUS AND NEXT TERMS--------------------------------------
Neuropathy
A disease of the nervous system. The three major forms in people with diabetes are peripheral neuropathy, autonomic neuropathy, and mononeuropathy. The most common form is peripheral neuropathy, which affects mainly the legs and feet.
Nocturnal emission
Nucleotides
The components of DNA, consisting of phosphate, a sugar derivative and one of the following bases: adenine, cytosine, guanine, or thymine. They are represented by their initial letters in a nucleotide sequence.
Nitric Oxide
A protohormone that generates cyclic GMP. Nitric oxide is a free radical.
Nervous system
The system of cells, tissues and organs that regulates the body's responses to internal and external stimuli. In vertebrae it consists of the brain, spinal cord, nerves, ganglia and parts of the receptor and effector organs.
Nephrology
The medical specialty which focuses on the treatment of disorders of the kidneys.
Nearsightedness
Focusing defect in which the eye is overpowered. Light rays coming from a distant object are brought to focus before reaching the retina. Requires a minus lens correction to "weaken" the eye optically and permit clear distance vision.
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This dictionary contains 19186 terms.
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