Xylem tracheids are pointed, elongated xylem cells, the simplest of which have continuous primary cell walls and lignified secondary wall thickenings in the form of rings, hoops, or reticulate networks.
honestly. adv. 1. in an honest manner. 2. (intensifier): I honestly don't believe it. interj.
Skepticism or scepticism (see spelling differences) is generally any questioning attitude towards unempirical knowledge or opinions/beliefs stated as facts, or doubt regarding claims that are taken for granted elsewhere.