peri- +
(Greek: around, about, near, enclosing, surrounding; more often used as a prefix)
periappendicular
Adjacent to or surrounding an appendix.
periapsis
The point in an orbit that is nearest to the body being orbited or to the center of gravitational attraction.
periapt
1. A charm worn as protection against mischief and disease; an amulet (ornament, gem, or scroll, or a package worn as a charm or preservative against evils or mischief).
2. Etymology: From French périapte, from Greek periapton, from periaptos, "hung around": peri- plus haptos, "fastened" (from haptein, "to fasten").
periaqueductal
Located around the cerebral aqueduct (channel in the brain which connects the third ventricle to the fourth ventricle); usually in reference to periaqueductal grey (region of grey matter in the brain), or some other part of the anatomy.
periareolar
Around the pigmented tissue of the breast.
periarterial
1. Relating to, occurring in, or being the tissues surrounding an artery.
2. Near or around an artery.
periarteriolar
Situated around arterioles (the smallest divisions of the arteries located between the muscular arteries and the capillaries).
periarteritis
Inflammation of the external coats of an artery and of the tissues around the artery.
periarthric
Adjacent to or around a joint.
periarthritis
Inflammation of the tissues around a joint.
periarticular
Situated near a joint.
periastron
That point, in the real or apparent orbit of one star revolving around another, at which the former is nearest to the latter.
periatrial
Around one or both atria (two smaller chambers) of the heart.
periauricular
Situated around or near the ear.
periaxial
1. Surrounding an axis.
2. Near or around an axis.
Related "around, round, surrounding" units:
ambi-;
ampho-;
circ-;
circum-;
cyclo-, -cycle;
gyro-.
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