: a rare genetic disorder in which the body is unable to absorb dietary fats and fat-soluble vitamins (such as vitamin A and E) because of an absence of apolipoprotein B-containing lipoproteins (such as chylomicrons and VLDLs) in the blood plasma
Abetalipoproteinemia presents initially in the neonatal period with gastrointestinal manifestations related to the malabsorption of fat …Hélène Puccio and Michel Koenig, in Neurodegenerative Diseases: Neurobiology, Pathogenesis, and Therapeutics

called also Bassen-Kornzweig syndrome

Note: Common symptoms of abetalipoproteinemia include diarrhea, excess fat in the stools, abnormal star-shaped red blood cells, poor muscle coordination, and progressive neurological and retinal deterioration. Abetalipoproteinemia is inherited as an autosomal recessive trait requiring that both parents pass on a copy of the defective gene on a chromosome other than a sex chromosome.

Dictionary Entries Near abetalipoproteinemia

Cite this Entry

“Abetalipoproteinemia.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/abetalipoproteinemia. Accessed 1 Feb. 2023.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words Named After People

  • name tags
  • Namesake of the leotard, Jules Léotard had what profession?
Name That Thing

You know what it looks like… but what is it called?

Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?