Carpogonium Definition

Carpogonium Sentence Examples

• This is the carpogonium; it consists of a ventral portion which contains a nucleus, but in which no oosphere is differentiated, and an elongated tubular portion known as the trichogyne, into which the cytoplasm extends.

• The ventral portion of the carpogonium may be imbedded deep in the thallus in the massive species; the trichogyne, however, always reaches the surface.

• The first effect of fertilization is the occlusion of the trichogyne from the fertilized carpogonium.

• The carpogonium germinates forthwith, drawing its nourishment almost wholly from the parent plant.

• In Batrachospermum filaments arise from the carpogonium on all sides; in Chantransia and Scinaia on one side only; in Helminthora the filaments are enclosed in a dense mucilage; in Nemalion, prior to the formation of the filaments, a sterile segment is cut off below.