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MCAT Word List # MCAT/W41

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  Word Descriptions atrium, endothelium, facilitated diffusion, chyme, melatonin, neurulation, olfaction, deformity, ketone, deficiency


   
Description of atrium (noun: plural: atriums)
chamber of the heart

Samples of atrium
The right atrium receives venous blood from the vena cavae.



   
Description of endothelium (noun: plural: endothelia)
tissue composed of flat cells connected by a thin membrane

Samples of endothelium
Endothelial tissue lines the lumen of blood and lymphatic vessels.



   
Description of facilitated diffusion (noun: no plural)
a specific carrier transports molecules through the cell membrane

Samples of facilitated diffusion
Facilitated diffusion does not require any energy for it to take place.



   
Description of chyme (noun: plural: chymes)
digested food moving from the stomach to the duodenum

Samples of chyme
Chyme is an acidic, semifluid mixture of digested food.



   
Description of melatonin (noun: no plural)
hormone produced by the pineal gland in dark light

Samples of melatonin
Melatonin helps regulate the sleep cycle.



   
Description of neurulation (noun: plural: neurulations)
production of the embryonic neural plate and then the neural tube

Samples of neurulation
During the process of neurulation a redimentary nervous system is developed.



   
Description of olfaction (noun: no plural)
process of smelling; sense of smell

Samples of olfaction
Olfaction is especially important in some species of mammals.



   
Description of deformity (noun: plural: deformities)
an unusual shape of part of the body

Samples of deformity
Genetic diseases cause deformities.



   
Description of ketone (noun: plural: ketones)
an organic compound that contains two alkyl groups attached to a carbonyl group

Samples of ketone
Fructose is a ketone.



   
Description of deficiency (noun: plural: deficiencies)
lack of; deficit; not enough of something

Samples of deficiency
Vitamin deficiency causes illness.



  Determinations of the words atrium, endothelium, facilitated diffusion, chyme, melatonin, neurulation, olfaction, deformity, ketone, deficiency

  Preparation book: Morphogenesis of Endothelium

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     MCAT test: Vocabulary Words: English Nouns         MCAT test: Word games: Free Online Noun Quiz         MCAT Vocabulary: (printable version)         Definition of atrium, endothelium, facilitated diffusion, chyme, melatonin, neurulation, olfaction