Pediatric
Glossary
Plain-language explanations of the clinical terms, diagnoses, and research concepts that come up in your child's care — so you always know exactly what we're talking about.
A2-type beta-casein
A specific form of beta-casein protein found in goat milk. It differs structurally from A1-type beta-casein.
Abusive Head Trauma (AHT)
An injury to the skull or intracranial contents of an infant or young child (<5 years of age) due to inflicted blunt impact and/or violent shaking.
Allergen
A typically harmless substance (usually a protein) that causes an immune-mediated allergic reaction in sensitive individuals.
Alpha-S1-casein
A type of casein protein found in milk. Goat milk contains lower amounts compared to cow milk, which may influence curd formation in digestion.
Anaphylaxis
The most severe and potentially life-threatening systemic allergic reaction, typically involving multiple body systems.
Antigen-Presenting Cells [APC]
Immune cells that display antigens on their surfaces to T-cells, initiating an immune response.
Apgar score
The Apgar score is a quick health check done on your newborn at 1 minute and 5 minutes after birth. A nurse or doctor scores the baby in five categories, each worth 0–2 points, for a maximum of 10. The five things being measured: Appearance — skin color Pulse — heart rate Grimace — response to stimulation Activity — muscle tone Respiration — breathing effort The scores in plain terms: 7–10 — baby is doing well 4–6 — some help may be needed, like extra oxygen Below 4 — baby needs immediate medical attention One thing that reassures most parents: a 10 is rare, because almost all newborns have slightly blue hands and feet right after birth, which drops the score by one point. A 7, 8, or 9 is a completely healthy baby. The Apgar isn't a predictor of long-term health or intelligence. It's simply a fast, standardized way for the care team to spot a baby who needs support in those critical first minutes — before anyone has time to run tests or wait for results.
ARFID (Avoidant Restrictive Food Intake Disorder) [ARFID]
An eating disorder characterized by a disturbed eating pattern that leads to inadequate nutritional intake, often due to sensory issues, fear of adverse consequences (like choking or vomiting), or lack of interest in food.
Atopic dermatitis
A chronic inflammatory skin condition, commonly called eczema.
Bacteria
Bacteria are microscopic living organisms — so tiny that millions could fit on the head of a pin. They're single-celled, meaning each one is just one cell doing everything it needs to survive on its own. They're everywhere: in the air, soil, water, on your skin, and inside your gut. Most are harmless or even helpful — the bacteria in your digestive system help you break down food. A smaller number cause infections, like strep throat or a UTI, which is when your body needs help fighting them off, usually with antibiotics. The simplest way to think about it: bacteria are living things, just extremely small ones. Viruses, by contrast, aren't even fully "alive" in the same way — bacteria actually are.
Beta-lactoglobulin
A whey protein found in animal milk and a major allergen in cow milk.
Biologic (Omalizumab/Xolair)
A medication derived from living organisms that targets specific parts of the immune system. Omalizumab (brand name Xolair) is an antibody against IgE, used in the treatment of allergic conditions.
Casein
A family of milk proteins that coagulate in the stomach to form curds during digestion.
CME/CEUs (Continuing Medical Education/Continuing Education Units) [CME,CEU]
Credits earned by healthcare professionals to maintain their licenses and stay updated in their field. Required for license renewal and ongoing clinical competency.
Cow milk protein allergy (CMPA)
An immune-mediated allergic reaction to proteins in cow milk.
Cross-reactivity
An immune response in which antibodies react to similar proteins from different sources.
Cutaneous Symptoms
Symptoms affecting the skin, such as hives (urticaria) and swelling (angioedema). Commonly seen in allergic reactions.
Double-blind study
A clinical trial design in which neither participants nor researchers know which intervention is being administered.
Dyspnea
Difficulty breathing or shortness of breath. A common symptom in respiratory and allergic conditions.
Eczema (Atopic Dermatitis)
A chronic inflammatory skin condition characterized by dry, itchy patches, often linked to a higher risk of developing food allergies. Frequently begins in childhood and is associated with the atopic triad (eczema, asthma, allergic rhinitis).
Elderberry
Elderberry is a dark purple berry that's been used as a natural remedy for centuries, most commonly to help fight colds and flu. The idea behind it is that compounds in the berry — called anthocyanins — have antioxidant and anti-inflammatory properties that may support the immune system. Some studies suggest it can reduce the duration of a cold or flu by a day or two when taken early. Where it gets complicated is the evidence. The research is promising but not strong enough for mainstream medicine to formally recommend it. Most pediatricians — including Dr. Marie — would say it's unlikely to harm your child in normal doses, but it's also not a substitute for vaccines, sleep, nutrition, and handwashing, which have far stronger evidence behind them. One important caution for parents: raw elderberries are toxic and can cause nausea and vomiting. Only use commercially prepared elderberry products — syrups, gummies, lozenges — where the berries have been properly processed. The bottom line: it's a popular supplement with a reasonable theoretical basis and mild supporting evidence. It's not magic, and it's not dangerous. It sits firmly in the "probably fine, probably helpful in a small way, don't rely on it alone" category.
Electrolyte imbalance
An abnormal level of minerals such as sodium or potassium in the body.
Eosinophilic Esophagitis (EOE) [EOE,EoE]
A chronic immune-mediated disease where eosinophils (a type of white blood cell) build up in the esophagus, causing inflammation and difficulty swallowing. It can be a side effect of Oral Immunotherapy (OIT).
Epinephrine (EpiPen, Neffy)
A hormone and medication used to treat severe allergic reactions (anaphylaxis) by constricting blood vessels, relaxing airway muscles, and improving heart rate. Available as auto-injectors including the EpiPen and Neffy nasal spray.
FASTER Act
The Food Allergy Safety, Treatment, Education, and Research Act — legislation that added sesame as the 9th major food allergen requiring clear labeling on packaged foods in the United States.
Food Challenge [OFC]
The gold standard diagnostic test for food allergies, involving the supervised ingestion of increasing amounts of a suspected allergen to confirm or rule out a clinical allergy. Performed under medical supervision due to the risk of reaction.
Food Protein-Induced Enterocolitis Syndrome (FPIES) [FPIES]
A non-IgE-mediated food allergy primarily affecting the gastrointestinal system, often causing severe vomiting and diarrhea 1-4 hours after ingestion. Most common in infants and young children.
Food Sensitization
The presence of IgE antibodies to a specific food, as detected by skin prick tests or blood tests. Food sensitization may or may not be associated with clinical allergic symptoms when the food is ingested.
GIraFFE Study (Goat Infant Formula Feeding and Eczema Study)
A large randomized controlled trial investigating goat milk formula’s impact on growth and eczema risk.
HIPAA
HIPAA stands for the Health Insurance Portability and Accountability Act. In plain terms, it's the federal law that protects your private medical information. It means your doctor, hospital, or insurance company cannot share your health information — diagnoses, test results, medications, visit notes — without your permission. It applies to anyone involved in your healthcare: doctors, nurses, pharmacies, insurers, and their business partners. Three things it covers in practice: Privacy — who can see your medical records and under what circumstances. Security — how your digital health information must be stored and protected from breaches. Portability — your right to get a copy of your own records and transfer them to another provider. The one thing most people don't realize: HIPAA does not prevent a doctor from talking to another doctor about your care. It's specifically about protecting your information from being shared outside your care team without your consent — employers, marketers, family members, anyone who doesn't have a clinical need to know.
Histamine
A chemical released by mast cells and basophils during an allergic reaction, responsible for many common allergy symptoms such as itching, swelling, and rash. Antihistamines work by blocking histamine receptors.
Hypotension
Abnormally low blood pressure. Can occur during anaphylaxis as blood vessels dilate rapidly, reducing blood pressure to dangerous levels.
IgE (Immunoglobulin E) [IgE]
A type of antibody (immunoglobulin) produced by the immune system. IgE plays a central role in allergic reactions — when IgE bound to mast cells encounters an allergen, it triggers the release of inflammatory mediators like histamine.
Integrative Medicine
A healthcare approach that combines conventional medicine with complementary and alternative therapies, focusing on whole-person care and the least invasive treatments first. Addresses physical, emotional, mental, social, and spiritual well-being.
LEAP Trial [LEAP]
The Learning Early About Peanut Allergy trial — a pivotal clinical study that demonstrated that early introduction of peanut protein into the diet of high-risk infants significantly reduces the risk of developing peanut allergy.
Leukotrienes
Inflammatory mediators released by mast cells, basophils, and other immune cells during allergic reactions. Leukotrienes contribute significantly to respiratory symptoms such as bronchoconstriction and are targets of medications like montelukast (Singulair).
Mast Cells
Immune cells found in connective tissue and mucous membranes that play a central role in allergic reactions. When IgE antibodies on their surface bind to an allergen, mast cells release inflammatory mediators including histamine, leukotrienes, and prostaglandins.
Microbiome
Your microbiome is the community of trillions of bacteria, viruses, and fungi living inside and on your body — mostly in your gut. Think of it like an ecosystem, the way a forest has thousands of different species all coexisting and keeping each other in balance. When the ecosystem is healthy and diverse, everything runs smoothly. When it gets disrupted — by antibiotics, poor diet, stress — things go out of balance and problems follow. It influences far more than digestion. Research links your microbiome to your immune system, mood, weight, skin, and even how your child's brain develops in early life. That's why what a child eats in their first few years matters so much — you're literally building their internal ecosystem.
MOCs (Maintenance of Certification) [MOC]
Maintenance of Certification — requirements established by medical specialty boards for physicians to demonstrate ongoing clinical competency, continuing education, and quality improvement in their specialty field.
NSAIDs (Nonsteroidal Anti-inflammatory Drugs) [NSAIDs,NSAID]
Nonsteroidal Anti-inflammatory Drugs — a class of medications used to relieve pain, reduce fever, and decrease inflammation. Common examples include ibuprofen and naproxen. NSAIDs can act as cofactors that increase the severity of allergic reactions in some individuals.
Oral Allergy Syndrome (OAS) / Pollen-Food Syndrome [OAS,PFAS]
Also known as Pollen-Food Allergy Syndrome (PFAS). A type of contact allergic reaction that occurs when raw fruits, vegetables, or tree nuts cause itching or tingling in the mouth, lips, tongue, or throat. Caused by cross-reactivity between pollen proteins and food proteins. Symptoms are usually mild and often resolved by cooking the food.
Oral Immunotherapy (OIT) [OIT]
A treatment approach where gradually increasing amounts of an allergen are ingested under medical supervision over a period of months to years. The goal is to desensitize the immune system and raise the threshold required to trigger an allergic reaction, reducing the risk of accidental reactions.
Pediatric Nutrition for Health Professionals
A course offered by the learning center, accredited for CME/CEUs, providing a comprehensive review of pediatric nutrition for healthcare professionals. Covers topics from infant feeding to adolescent dietary patterns.
Plant-Based Juniors
An organization co-founded by Alex Kasparero focused on plant-based nutrition for children. Provides evidence-based resources for families and healthcare professionals interested in plant-forward diets for kids.
Prostaglandins
Lipid compounds with hormone-like effects that are involved in inflammation, pain signaling, and allergic responses. Released by mast cells and other immune cells during allergic reactions, prostaglandins contribute to vasodilation and bronchoconstriction.
Randomized controlled trial (RCT)
A study design where participants are randomly assigned to treatment groups to reduce bias.
Serotonin
Serotonin is a chemical your brain produces that acts as a messenger between nerve cells. It plays a major role in regulating mood, sleep, appetite, and digestion. It's often called the "feel-good chemical" — when your levels are balanced, you tend to feel calm, focused, and emotionally stable. When they're low, it's strongly linked to depression and anxiety. The surprising part most people don't know: about 90% of your body's serotonin is made in your gut, not your brain. That's the direct connection between the microbiome and mental health — a healthy gut supports healthy serotonin production, which affects how your child feels emotionally, not just physically.
Standard American Diet (SAD) [SAD]
A typical Western dietary pattern characterized by high intake of red meat, ultra-processed foods, refined grains, high-fat dairy products, and high-sugar beverages, with low intake of fruits, vegetables, and whole grains. Associated with increased risk of chronic disease and inflammation.
Syncope
Temporary loss of consciousness or fainting, often caused by a sudden drop in blood pressure (vasovagal response). Can occur during or after an allergic reaction or as a response to pain or stress.
TBHQ (Tertiary Butylhydroquinone) [TBHQ]
Tertiary Butylhydroquinone — a synthetic antioxidant used as a food preservative in processed and packaged foods. Research suggests a potential association between TBHQ exposure and increased risk of food allergy development, possibly by affecting T-cell function.
Whey protein
The liquid component of milk containing proteins such as beta-lactoglobulin.
Whole goat milk formula
Infant formula derived from whole goat milk and fortified to meet established nutritional standards.
Whole-Person Care
An approach to healthcare that addresses not only physical health but also emotional, mental, social, and spiritual well-being. Central to integrative medicine and direct primary care models, this approach treats the patient as a whole rather than focusing solely on isolated symptoms or conditions.
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