Category: P
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Preoblongata
Upper part of brain stem.
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Prenares
The nostrils.
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Premenstruum
The period preceding menstrual flow. The stage of the menstrual cycle immediately preceding menstruation. The period of time prior to menstruation.
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Premenarchal
Before establishment of menstruation. The time prior to the first menstrual period (i.e., prior to menarche).
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Premaxillary
In front of upper jaw.
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Prelum abdominale
Organs in abdominal cavity are squeezed between diaphragm and abdominal wall.
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Prelacteal
Before the start of milk flow.
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Prelacrimal
In front of the tear sac.
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Preictal
Before a sudden attack or stroke. The period just prior to a stroke or convulsion.
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Prehypophysis
Front part of the pituitary gland. The front section of the pituitary gland in the brain.