Definition of "apical" []

• Of, relating to, located at, or constituting an apex. (adjective)
• Linguistics Of, relating to, or articulated with the tip of the tongue, as (t), (d), and (s). (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The condition is also known as apical ballooning syndrome ABS and stress cardiomyopathy."
• "Between late stage 16 and mid-stage 17 the apical plasma membrane of epidermal cells forms regular corrugations called apical undulae (au), at the tip of which chitin synthesis takes place, while secretion occurs at the valley between the corrugations (D)."
• "Plants have a mechanism called apical dominance, by which axillary buds are prevented from growing at the same time as the terminal bud-the tip of the plant stem."