Prominent vertebra
The seventh cervical (neck) vertebra, which has a long spinous process that projects out from the back of its vertebral body.
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- Prominentia laryngea
The prominence of the larynx, more commonly known as the Adam’s apple. This familiar feature in front of the neck is due to forward protrusion of the largest cartilage of the larynx. It takes its name from the story that a piece of the forbidden fruit stuck in Adam’s throat. The prominent cartilage is the […]
- Promoter
In molecular biology, a site on DNA to which the enzyme RNA polymerase can bind to initiate the transcription of DNA into RNA.
- Pronation
Rotation of the forearm and hand so that the palm is down (and the corresponding movement of the foot and leg with the sole down), as opposed to supination. For a more complete listing of terms used in medicine for spatial orientation, please see the entry to “Anatomic Orientation Terms”.
- Pronator foot type
A type of foot that rolls far inward during the weight-bearing phase of the stride. This type of foot is characterized by a very low or flat arch. Heavier people often have feet of this type.
- Prone
With the front (or ventral) surface downward. To lie prone is to lie face downward. Prone is as opposed to supine. For a more complete listing of terms used in medicine for spatial orientation, please see the entry to “Anatomic Orientation Terms”.