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The Special Topics Medical Dictionary M-O provides comprehensive, reliable definitions for specific medical topics. Whether you are interested in metabolism or ovarian cancer dangers, learn what medical terms mean, see images and get related information on various aspects of health and wellness.
Featured Article: Neuroretinitis
Neuroretinitis, an inflammation of the eye’s retina and optic nerve, has no known cause. Learn about neuroretinitis definition. See more »
Myasthenia Gravis - Resources
Myasthenia gravis resources. Myasthenia gravis support, information and contacts.
See more »Myelin
Myelin is an insulating layer that forms around nerves to prevent impulse disruption. Learn about myelin function and information.
See more »Nail Care For Newborns
Nail Care For Newborns information from HowStuffWorks. Learn about Nail Care For Newborns and other medical topics.
See more »Nasal CPAP
Nasal CPAP is a treatment that uses slight air pressure to increase the amount of air breathed in. Learn about nasal CPAP uses and information.
See more »Nausea And Acupressure
Nausea and morning sickness may improve through acupressure or acupuncture. Learn about nausea and acupressure uses and information.
See more »Necrosis
Necrosis is death of tissue anywhere in the body. Learn about necrosis definition.
See more »Neonate
Neonates or newborns are infants who are 4 weeks of age or younger. Learn about neonate definition.
See more »Neurologic Deficit
Neurologic deficits are function decreases in the brain, spinal cord, muscles and/or nerves. Learn about neurologic deficit examples and information.
See more »Neuroretinitis
Neuroretinitis, an inflammation of the eye’s retina and optic nerve, has no known cause. Learn about neuroretinitis definition.
See more »Newborn Head Molding
Newborn head molding is when pressure on the head during child birth creates abnormal head shape. Learn about newborn head molding risks and information.
See more »NICU Consultants And Support Staff
NICU consultants and support staff are the physicians, pediatricians, and nurses with specialized training who may provide medical care to infants. Learn more about the NICU consultants and support staff positions and the services each position provides.
See more »NICU House Staff
NICU house staff refers to the team of caregivers that are involved in the care of your infant in the newborn intensive care unit. Learn more about the NICU house staff caregivers and their individual functions.
See more »Noninvasive
The term noninvasive can refer to diseases, procedures, or devices. Learn about noninvasive diseases, procedures, and devices.
See more »Nosebleed Treatment
Nosebleed treatment is done by sitting down and gently squeezing the soft portion of the nose between your thumb and finger for about 5-10 minutes. Learn more about nosebleed treatment options and procedures.
See more »Nurse Practitioner (NP)
The Nurse Practitioner profession is a nurse with a graduate degree in advanced practice nursing and provides a broad range of health care services. Learn more about the Nurse Practitioner profession, licensure, and certification process.
See more »Oily Hair
Oily hair is caused by altered hormone levels and can be prevented with specialized shampoos or by controlling hormone levels. Learn more about oily hair causes, preventative measures, and treatment options.
See more »Oily Skin
Oily skin is the result of heredity and hormones and requires frequent skin cleansing to keep the skin clean. Learn more about oily skin causes, treatment options, and prevention.
See more »Orgasmic Dysfunction
Orgasmic dysfunction is an inhibition of the orgasmic phase of the sexual response cycle affecting women. Learn more about orgasmic dysfunction causes, risk factors, prevention, and treatment options.
See more »Ostomy - Resources
The organizations listed below are good resources for information on ostomies. See a complete list of ostomy resources and non-profit organizations.
See more »Ovarian Growths
Ovarian growths are usually fluid filled sacs which form naturally prior to menopause but large growths may indicate more serious condition. Learn more about ovarian growths, complications, and their role in menopause.
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