peri- +

Surrounding the liver.

Relating to the perikaryon.

1. The cytoplasm around the nucleus; such as, that of the cell body of nerve cells.
2. The body of the odontoblast, excluding the dentinal fiber.
3. The cell body of the nerve cell, as distinguished from its axon and dendrites.
4. The cell body of a neuron, containing the nucleus and organelles.

That point at which a spacecraft in lunar orbit is closest to the moon's center: applied especially if the spacecraft was launched from the moon.

1. The fluid in the space between the membranous and bony labyrinths of the inner ear.
2. The fluid which surrounds the membranous labyrinth of the internal ear, and separates it from the walls of the chambers in which the labyrinth lies.
3. The fluid contained within the osseus labyrinth, surrounding and protecting the membranous labyrinth.

Perilymph resembles extracellular fluid in composition (sodium salts are the predominate positive electrolyte) and, via the perilymphatic duct, is in continuity with cerebrospinal fluid.

Inflammation of the connective tissue around the mammary gland.

1. The border or outer boundary of a two-dimensional figure.
2. The length of such a boundary.
3. A line bounding or marking off an area.
4. The outermost limits.
5. Military: A fortified boundary that protects a troop position.
6. Ophthalmology: An instrument for determining the peripheral field of vision.

1. Of or relating to the perimetrium.
2. Of or relating to the circumference of any part or area.
3. Of or relating to perimetry.
4. Of, relating to, or surrounding the uterus.

Of or pertaining to the perimeter, or to perimetry; as, a perimetrical chart of the eye.

1. A mineral that encloses a different mineral.
2. A crystal of one mineral enclosing that of another mineral.

1. Surrounding a muscle or muscles.
2. Of or pertaining to the perimysium.

1. The connective tissue surrounding bundles of skeletal muscle fibers.
2. The sheath of connective tissue enveloping bundles of muscle fibers.

1. Occurring during or pertaining to the phase surrounding the time of birth, from the twentieth week of gestation to the twenty-eighth day of newborn life.
2. A reference to the period immediately before and after birth.

The perinatal period is defined in various ways: Depending on the definition, it starts at the 20th to 28th week of gestation and ends one to four weeks after birth.

The word "perinatal" is a hybrid of the Greek "peri-" meaning "around or about" and "natal" from the Latin "natus" meaning "born."

1. An obstetrician specializing in perinatology.
2. An obstetrical subspecialist concerned with the care of the mother and fetus at higher-than-normal risk for complications.

A perinatologist logically could be an obstetrician or pediatrician but, in practice, a perinatologist is an obstetrician.

The comparable area of pediatrics is neonatology. A high-risk baby might be cared for by a perinatologist before birth and by a neonatologist after birth.

A subspecialty of obstetrics concerned with the care of the mother and fetus at higher-than-normal risk for complications.

Since the perinatal period, depending on the definition, starts at the 20th to 28th week of gestation and ends one to four weeks after birth, perinatology logically could be an obstetrical and pediatric subspecialty but, in practice, it is part of obstetrics.

The comparable area of pediatrics is neonatology. A high-risk baby might be cared for by a perinatologist before birth and by a neonatologist after birth.

The word perinatology is a linguistic combination of the Greek peri-, "around" or "about" plus natal from the Latin natus, "born" plus ology from the Greek logos, "treatise" or "study of".