Column: Cylindrical body wall of a sea anemone extending from the pedal disc to the oral disc (Stephenson, 1928: p. 6). The column may be differentiated into regions (e.g. scapus, scapulus, capitulum) and/or possess specialized outgrowths.

Images of Different Columns: (species names are linked to the Hexacorallian database)

Species Halcampogeton papillosus

CAPTION A piece of the scapus with two rows of papillae.

Species Anthopleura insignis

CAPTION A portion of the body-wall of Anthopleura insignis.

Species Actinia pluvia

CAPTION A portion of the scapulus of Actinia pluvia.

Species Edwardsia fusca

CAPTION A portion of the integument, inside the sheath. On the outer surface the two series of papillę are observed.

Species Sideractis glacialis

CAPTION Diagonal section of the body-wall. a. Ectoderm-cells; b. Nematocysts; c. Circular muscles; d. Connective-tissue; e. Endothelium.

Species Kyathactis hyalina

CAPTION . Portion of the outer body-wall.

Species Edwardsia costata

CAPTION. A portion of the integument with its ribs, furnished with papillae. a. Ribs with papillae; b. Longitudinal areas between the ribs.

Species Edwardsioides vitrea

CAPTION. A portion of the integument. a. Suckers.

Species Edwardsia callianthus

CAPTION . Surface view of a portion of the scapus wall cleared in glycerine to show the arrangement of the nemathybomes. N. nemathybome, P.M. parietal muscle.

Species Phellia bathybia

CAPTION. Oblique section of the integument. a. Ectoderm; b. Connective-tissue; c. Circular muscles.