peri-

(Greek: around, enclosing, surrounding, about, near, close; often used as a prefix)

periosteous
1. Relating to the periosteum.
2. Situated around bone; of or pertaining to the periosteum.
periosteum (s), periostea (pl)
1. A dense fibrous membrane covering the surface of bones (except at their extremities) and serving as an attachment for tendons and muscles; contains nerves and blood vessels that nourish the enclosed bone.
2. A dense membrane composed of fibrous connective tissue that closely wraps (invests) all bone, except that of the articulating surfaces in joints which are covered by a synovial membrane.
3. Literally, "around the bone".
periostitic
Inflammation of the periosteum.
periostitis
1. Literally, inflammation around the bone.
2. Inflammation of the periosteum, a dense membrane composed of fibrous connective tissue that closely wraps (invests) all bone, except the bone of articulating surfaces in joints which are covered by synovial membranes.
periotic
1. Surrounding, or pertaining to the region surrounding, the internal ear; as, the periotic capsule.
2. A reference to certain bones or bony elements that form or help to form a protective capsule for the internal ear.
peripatetic (adjective), more peripatetic, most peripatetic
1. A reference to traveling from place to place; especially, working in several establishments and traveling between them: For most of her career, Janette was employed as a peripatetic journalist who went to many areas in her city to get information for her newspaper articles.
2. Etymology: from Greek peripatetikos, from Latin peripateticus, "walking around" from peri-, "round" + patein, "to walk".
Pertaining to moving around while performing one's tasks.
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peripetalous
Surrounding, or situated around, petals.
peripeteia, peripetia, peripety
A sudden and unexpected change of fortune or events or reversal of circumstances; especially, in a literary work.
peripheral
1. Related to, located in, or constituting an outer boundary or periphery.
2. Perceived or perceiving near the outer edges of the retina; such as, peripheral vision.
3. Of the surface or outer part of a body or organ; external.
4. Situated away from the center, as opposed to centrally located; for example, peripheral vision means the type of vision that allows one to see objects that are not in the center of one's visual field.
5. Relating to, or being part of the peripheral nervous system.
6. Of minor relevance or importance.
7. Auxiliary.
peripheral neuropathy (s) (noun), peripheral neuropathies (pl)
A wide range of disorders in which the nerves outside of the brain and spinal cord, peripheral nerves, have been damaged: "Peripheral neuropathy may be referred to as peripheral neuritis, or if many nerves are involved, the terms polyneuropathy or polyneuritis may be used."

"Nerve damage can arise from a number of causes; such as, disease, physical injury, poisoning, or malnutrition."

"Peripheral neuropathy ranges from a reversible problem to a potentially fatal complication. In the best cases, a damaged nerve regenerates. Nerve cells cannot be replaced if they are killed, but they are capable of recovering from damage."

peripherally
In or at or near a periphery or according to a peripheral role or function or relationship; the opposite of "centrally".
periphery
1. The outside boundary or surface of something.
2. The outside or surface of a structure; the portion outside the central region.
3. The circumference of a circle or other geometric figure.
periphrasis (s), periphrases (pl)
1. The use of circumlocution.
2. The use of an unnecessarily long or roundabout form of expression; circumlocution.
3. A style that involves indirect ways of expressing things.
periphrastic, periphrastically
1. Relating to or using periphrasis.
2. Roundabout and unnecessarily wordy; circumlocutory.
periphyton
1. A community of tiny organisms; such as, protozoans, hydras, insect larvae, and snails, living on the surfaces of rooted aquatic plants.
2. Sessile organisms, such as algae and small crustaceans, that live attached to surfaces projecting from the bottom of a freshwater aquatic environment.

Related "around, round, surrounding" units: ambi-; ampho-; circ-; circum-; cyclo-, -cycle; gyro-.