Darkfield light micrograph (LM) of Green algae (Acetabularia peniculus and Acetabularia mediterranea). Acetabularia is a green marine alga commonly fo
Darkfield light micrograph (LM) of Green algae (Acetabularia peniculus and Acetabularia mediterranea). Acetabularia is a green marine alga commonly found in subtropical waters. It is a single-celled organism that is the largest single cell known to science. Acetabularia has three basic parts: its rhizoid (a short set of root-like appendages that contain the nucleus and anchor the cell to a substrate); a long median stalk and an apex, where its whorled cap forms. The genus name, Acetabularia, means 'little cup' and most species have a cup-shaped appearance at the apex. The main cellular stalk is elongated and bears a single fertile whorl (reproductive fruiting structure) at its apex. In this image A. peniculus (left) has a whorl that radiates in different planes and it not as cup-shaped as in other Acetabularia species (such as Acetabularia mediterranea, right). The whorl branches contain gametangia (reproductive cysts). Magnification: x24 when
Size: 3600px × 2394px
Photo credit: © DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 860618-30, acetabularia, acetebularia, alga, algae, apex, cell, celled, chlorophyta, colored, coloured, cup, cup-shaped, cyst, cysts, darkfield, dasycladales, eukaryota, false-colored, false-coloured, gametangia, gametangium, green, light, lm, marine, mediterranea, micrograph, ocean, oceans, organism, peniculus, plantae, polyphysaceae, rhizoid, sea, seawater, shaped, single, single-cell, single-celled, stalk, subtropical, ulvophyceae, water, whorl, whorls
