explant
UK[ɪkˈsplɑːnt]US[ˈɛksˌplænt]
v
To remove (living tissue) from its natural site of growth and place in a medium for artificial culture.
n
A piece of living tissue removed from an organism and placed in a medium for artificial culture.
Morpheme Breakdown
ex
plant
ex
out
plant
to set, to fix
Etymology
The word 'explant' is a modern scientific term formed by combining the Latin prefix 'ex-' (out) with the verb 'plant' in its original Latin sense of "to set or fix in place." The logic is direct: to "ex-plant" is to remove something that was "planted" or fixed within a living organism. This construction follows the classical model of Latin compounding, where a prefix modifies the action of the root verb. The term's specific application in biology, referring to the removal and culture of tissue, emerged in the early 20th century, applying this literal "taking out and placing" action to a new technological context.
Analysis
Structure: ex (out) + plant (to set, to fix)
- ex: Latin origin, a prefix meaning "out of, from, thoroughly."
- plant: Latin origin, from 'plantare' meaning "to set in the ground, to fix in place," functioning as the core root.
Examples
The researchers will explant the tumor cells for further study in the laboratory.
The tissue explant thrived in the nutrient-rich culture medium.
A key step in the procedure is to carefully explant the embryonic tissue without damaging it.