| 单词 | basal |
| 释义 | basal (once / 5375 pages) adj Something that's basal forms the base or the bottom layer of an object. The basal leaves on a plant are connected to the lowest section of its stem. In medicine, the word basal describes structures that are located at the base of some major organ or other body part. Basal ganglia, for example, are found at the base of the brain in humans, and a basal cell is at the deepest part of the skin. Basal comes from the word base, from the Latin basis, "foundation," via the Greek basis, "step or pedestal." WORD FAMILYbasal: basally+/base: basal, based, baseless, basely, baseness, baser, bases, basest, basify, basilar, basing/baseless: baselessly/baseness: basenesses USAGE EXAMPLESBut in plants and ‘basal’ animals such as corals and sponges, the error rate in mitochondrial gene replication is quite low. Nature(Dec 19, 2016) For example, consider the Semantic Scholar search results for studies of the basal ganglia in songbirds. Science Magazine(Nov 11, 2016) I get made fun of for walking places just to get some basal activity in. New York Times(Oct 18, 2016) 1adj serving as or forming a base Syn base basic pertaining to or constituting a base or basis 2adj especially of leaves; located at the base of a plant or stem; especially arising directly from the root or rootstock or a root-like stem basal placentation Syn|Ant radical cauline especially of leaves; growing on a stem especially on the upper part of a stem 3adj of primary importance Syn primary essential basic and fundamental |
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