Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «P»:
Posteroanterior (PA): In anatomy, posteroanterior (PA) means from back-to-front. For example, a PA X-ray of the chest is taken from back-to-front.
PA in this respect is the opposite of AP, which stands for anteroposterior: from front-to-back....
Postherpetic neuralgia: Localized pain in the area of involvement of shingles that persists beyond one month.
The most common complication of shingles is postherpetic
neuralgia. This occurs when the pain associated with shingles persists beyond one month, even after the rash is gone. The pain can ...
Posthitis: Inflammation of the prepuce (the foreskin of the penis).
In the uncircumcised male, posthitis and balanitis (inflammation of the glans, the rounded head of the penis) usually occur together as balanoposthitis: inflammation of both the glans and foreskin.
Circumcision prevents balanopost...
Postlingual: After the development of speech and language. As opposed to prelingual, before the development of speech. See also: Lingual....
Postmature infant: A baby born 2 weeks (14 days) or more after the usual 9 months (280 days) of gestation. The gestation (length of the pregnancy) is calculated from the date of the last menstrual period (LMP). This is an important calculation since, if delivery is delayed 3 weeks beyond term, the i...
Postmaturity: Overly mature, overly developed, especially as regards a baby.
A baby born 2 weeks (14 days) or more after the usual 9 months (280 days) of gestation. The gestation (length of the pregnancy) is calculated from the date of the last menstrual period (LMP). This is an important calculati...
Postmenopausal: After the menopause. Postmenopausal is defined formally as the time after which a woman has experienced twelve (12) consecutive months of amenorrhea (lack of menstruation) without a period.
The average length of the postmenopause has been increasing. With greater longevity, a woman...
Postmenopausal cervical kyphosis
Postmenopausal cervical kyphosis: An outward curvature (kyphosis) of the cervical vertebrae (the bones of the neck), creating a hump at the back of the neck.
This condition, once thought to be a characteristic deformity of older women, was called a dowager's hump.
A dowager was a woman of high soci...
Postmenopause: The period of time after the menopause. The postmenopause is formally defined as the time after which a woman has experienced twelve (12) consecutive months of amenorrhea (lack of menstruation) without a period.
The average length of the postmenopause has been increasing. With great...
Postmortem examination: An autopsy. Also called a necropsy.
Postmortem examinations have been done for more than 2,000 years but during most of this time they were rarely done, and then only for legal purposes. The Roman physician Antistius performed one of the earliest autopsies on record. In 44 B...
Postop: Short for postoperative, after surgery. The opposite of postop is preop....
Postoperative: After surgery. As opposed to preoperative, before surgery....
Postoperative care: Care given after surgery until the patient is discharged from the hospital or surgicenter and, in some cases, continuing on an ambulatory basis. Postoperative care is aimed at meeting the patient's physical and psychological needs directly after surgery....
Postoperative hemorrhage: Bleeding after a surgical procedure. The hemorrhage may occur immediately after the surgery or be delayed. It need not be restricted to the surgical wound. Common causes of postoperative hemorrhage are from tissues which cannot be entirely prevented from bleeding and depend...
Postpartum: In the period just after delivery, as with postpartum depression. Postpartum refers to the mother and postnatal to the baby. From the Latin post, after + partum, birth....