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Neonatology Glossary

100 terms total — 24 showing — Last updated 15 Sep 2026

late-onset sepsis LOS

Intermediate Technical IVT

Bacterial bloodstream infection occurring after 72 hours of life, typically acquired from the hospital environment and commonly associated with invasive devices.

Showing 49–72 of 100

large for gestational age

Intermediate Technical IVT

Birth weight above the 90th percentile for gestational age, often associated with maternal diabetes.

Technical Term Full entry →

late preterm

Intermediate Technical IVT

Infants born between 34 and 36 weeks and 6 days of gestation, representing a high-risk population often mistaken for ter...

Technical Term Full entry →

late-onset sepsis

Intermediate Technical IVT

Bacterial bloodstream infection occurring after 72 hours of life, typically acquired from the hospital environment and c...

Medical Condition Full entry →

macroglossia

Advanced Technical IVT

Abnormally enlarged tongue that may cause breathing or feeding difficulties.

Technical Term Full entry →

meconium aspiration syndrome

Advanced Technical IVT

Respiratory condition occurring when a newborn inhales meconium-stained amniotic fluid, causing airway obstruction and i...

MAS
Technical Term Full entry →

meconium-stained amniotic fluid

Intermediate Technical IVT

Amniotic fluid discolored by fetal meconium passage, indicating potential fetal distress and risk of aspiration complica...

Technical Term Full entry →

minimal enteral nutrition

Intermediate Technical IVT

Small volume enteral feeds given to premature infants primarily to stimulate gut maturation and hormone production rathe...

Nutritional Strategy Full entry →

myelomeningocele

Professional Technical IVT

Most severe form of spina bifida with exposed spinal cord and nerve tissue.

Technical Term Full entry →

Non-invasive respiratory support method that delivers intermittent positive pressure breaths through nasal prongs, used...

Respiratory Support Full entry →

nasogastric tube

Intermediate Technical IVT

A flexible tube inserted through the nose into the stomach for feeding or gastric decompression in neonates.

Technical Term Full entry →

necrotizing enterocolitis

Advanced Technical IVT

A serious gastrointestinal disease primarily affecting premature infants, characterized by inflammation and death of int...

NEC
Technical Term Full entry →

neonatal abstinence scoring

Intermediate Technical IVT

Standardized assessment tool used to evaluate the severity of withdrawal symptoms in newborns exposed to opioids or othe...

Assessment Tool Full entry →

neonatal abstinence syndrome

Professional Technical IVT

Withdrawal symptoms in newborns exposed to drugs or alcohol in utero.

Technical Term Full entry →

neonatal resuscitation

Intermediate Technical IVT

Emergency interventions to support breathing and circulation in newborns at birth.

Technical Term Full entry →

neutral thermal environment

Professional Technical IVT

Temperature range that minimizes oxygen consumption and metabolic demands while maintaining normal body temperature in n...

Technical Term Full entry →

oligohydramnios

Professional Technical IVT

Condition of decreased amniotic fluid volume during pregnancy.

Technical Term Full entry →

omphalocele

Advanced Technical IVT

Congenital abdominal wall defect with membrane-covered intestinal herniation at umbilicus.

Technical Term Full entry →

osteopenia of prematurity

Advanced Technical IVT

Condition in premature infants characterized by decreased bone mineral content and increased risk of fractures due to in...

Medical Condition Full entry →

parenteral nutrition

Advanced Technical IVT

Intravenous delivery of nutrients bypassing the gastrointestinal tract, essential for premature infants unable to tolera...

Technical Term Full entry →

patent ductus arteriosus

Advanced Technical IVT

A congenital heart condition where the ductus arteriosus fails to close after birth, causing abnormal blood flow.

PDA
Technical Term Full entry →

PDA

Intermediate Technical IVT

Patent ductus arteriosus, a congenital heart condition where fetal blood vessel fails to close after birth.

Abbreviation Full entry →

periventricular leukomalacia

Professional Technical IVT

Brain injury in premature infants characterized by death of white matter tissue near the brain's ventricles.

PVL
Technical Term Full entry →

Bleeding into or around the fluid-filled cavities of the brain, graded I-IV by severity.

Technical Term Full entry →

persistent pulmonary hypertension

Professional Technical IVT

Life-threatening condition where elevated pulmonary vascular resistance prevents normal transition to extrauterine circu...

Technical Term Full entry →
Showing 49–72 of 100

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