Calyx (anatomy) kidney, a conglomeration of two or three minor calyces to form a major calyx, or the Calyx of Held, a particularly large synapse in the mammalian auditory central nervous system, named by H. Held in his 1893 article "Die centrale Gehörleitung", due to its flower-petal-like shape. In male insects, a funnel-shaped expansion of the basal part of the "vas deferens" (part of the seminal duct). Also in entomology, a flattened cap of neuropile in an insect brain (a component of the corpus pedunculatum) and by certain female insects, an expansion of the oviduct into which the ovarioles open. Calyx (anatomy)
Collinsia corymbosa is a dense whorl of several distinctive flowers. Each has a hairy calyx of lobed reddish sepals and a corolla up to about 2 centimeters long. The flower has two small upper lobes and three longer lower lobes which come together in a nearly tubular shape. It is generally white with a light purple tint. The smaller upper lobes curl back and dry to brown at their lips. Collinsia corymbosa Collinsia corymbosa is a species of flowering plant in the plantain family known by the common name round-headed Chinese houses. It is endemic to the coastline of California north of