Dictionary > Haematocrit

Haematocrit

Definition
noun
(1) The ratio of blood volume that is occupied by red blood cells, usually expressed as a percentage of the total blood volume.
(2) The instrument used to determine the relative amounts of corpuscles and plasma in the blood.
Supplement
An average (normal) value for HCT in men is 46% and in women is 38%.
Word origin: the term “hematocrit” was coined in 1903. Its roots stem from the Greek words hemat – blood, and krites, judge – meaning to gauge or judge the blood.
Abbreviation: Ht, HCT.
Variant: hematocrit.
Synonym: packed cell volume (PCV), erythrocyte volume fraction (EVF).


You will also like...

green leaf - close up view
Leaves

Leaves are the major photosynthetic organ of a plant. Apart from that, they are also crucial to water movement. In this ..

Biological Cell Defense
Biological Cell Defense

Organisms employ different strategies to boost its defenses against antigens. Humans have an immune system to combat pat..

Sigmund Freud and Carl Gustav Jung
Sigmund Freud and Carl Gustav Jung

In this tutorial, the works of Carl Gustav Jung and Sigmund Freud are described. Both of them actively pursued the way h..

Genetic Mutations
Chromosome Mutations – II

This tutorial is a continuation of the first lesson on chromosomal mutation. Here, find out the chromosomal aberrations ..

Oligodendrocyte and Schwann cell
The Central Nervous System

Myelin sheath is essential for a faster conductivity of signals. Know more about this feature of some neurons in the Cen..

DNA carries genes coding for proteins
Genetic Information and Protein Synthesis

Genes are expressed through the process of protein synthesis. This elaborate tutorial provides an in-depth review of the..