arrowhead是什么意思

双语用例

• Their new name replaces a contentious vowel with an arrowhead.

• Note the presence of numerous cellular projections and extracellular matrix deposition (arrowhead).

• Several vacuoles are discharging their contents into the medium in the central cavity of the worm (small arrowheads).

• Marking edges and applying arrowheads to edges is not part of the ontology but only meant to help human beings in its interpretation.

• The quadruplets of nuclear envelope (arrowheads) are assembled around clumped chromosomal bivalents.

• The external tegument is highly folded forming a network where it connects with the pharynx (arrowhead).

• A tiny focus of well differentiated squamous metaplasia surrounded by scar tissue (arrowhead) represents an extension of an epithelial cyst.

• Arrowhead shows the anterior tip of a head.