Category: D

Developmental apraxia refers to a sensory integration problem that involves praxis and motor planning deficits. It can affect gross and fine motor performance as well as speech. The disorder is one of higher cortical process and results in problems with planning and executing learned, volitional movements. These children, however, show normal strength, tone, reflex, sensation,…

A dipeptide is two amino acids linked together by a peptide bond. A compound consisting of two amino acids joined together by a peptide bond (e.g. glycylalanine, a combination of the amino acids glycine and alanine). A derived protein obtained by hydrolysis of proteins or condensation of amino acids.  

The Dietary supplement health and education act was signed into law in 1994. It allows supplement manufacturers to provide an array of dietary supplements to the public. It also prevents manufacturers from making unsubstantiated claims on supplement containers and labels. While DSHEA provides some protection to consumers, it has often been criticized for failing to…

While there are no substitutes for genetic endowment and rigorous training in the achievement of optimal athletic performance, sound nutrition is critical for maximizing athletic potential. The importance of adequate dietary intake for athletes has been recognized for centuries, yet the modern field of sports nutrition is still very young and much is yet to…

An appetite stimulant. An opiate-like chemical found in the brain, which blocks transmission of pain signals along nerve fibers.  

A state of flux as happens in living cells. Components of the cell are constantly being synthesized and degraded such that there is little net gain except for those products of metabolism, which are storage products, such as glycogen and triacylglycerides.  

Characterized by the rapid rate of gastric emptying into the intestine after ingestion of food and frequently resulting in diarrhea, nausea, and weakness. Group of symptoms, including nausea, dizziness, sweating, and faintness, occurring after a meal, particularly a meal rich in carbohydrates, in patients who have had stomach surgery; it is due to a too-rapid…

Similar to DEXA but uses photons at two different energy levels to determine bone mineral content.  

A procedure based on X-rays that measures bone mineralization. Also known as dual X-ray absorptiometry (DXA and DEXA).  

Drugs that interfere with the action of particular nutrients. In this circumstance, the drug becomes an antinutrient.