Ultrastructural Studies on the Epidermis of Adult Octopus Vulgaris Cuvier, 1797

  • Sabine Lenz

Abstract

The epidermis of the ventral funnel and the mantle of adult Octopus vulgaris Cuvier, 1797 consists of a single layer of cells. The ectodermal epidermis rests on a basal lamina and distinct cell types named: columnar cells, glial cells, tuft cells, and gland cells. The cell types appear in all of the studied samples, apart from the tuft cell, which has been observed only in the funnel epidermis up to now. A description of their fine structure is given and a functional interpretation is attempted. Adult O. vulgaris exhibits the same general features in this organ as in other studied examples of molluscan epidermis.

Keywords

Citrate Iodine Assimilation Glutaraldehyde Hyde 

Abbreviations

a

actin filaments

am

anastomotic meshwork

bl

basal lamina

bm

boundary membrane

c

extracellular collagen fibres

ct

connective tissue

cy

cytoplasm

d

desmosome

dc

electron-dense cytoplasm

dg

electron-dense granules

dr

droplets

dv

electron-dense vesicles

ec

columnar epidermal cell

er

rough emdoplasmic reticulum

g

golgi apparatus

gc

gland cell

gl

glial cell

hmv

high microvilli

id

interdigitations

if

intermediate filaments

LS

Longitudinal section

lv

electron-light vesicles

m

mitochondrium

mc

mucus

mf

muscle fibres

mt

microtubuli

mu

musculature

mv

microvilli

mvb

multivesiculated body

n

nucleus

nc

nucleolus

nv

nerve

pg

cellular processes of glial cells

pv

presecretory granules

rb

residual body

sd

septate desmosomes

sg

secretory granules

TS

transverse secretion

tf

tonofilaments

tw

terminal web

um

unit membrane

v

vesicles

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Copyright information

© Springer Science+Business Media New York 1999

Authors and Affiliations

  • Sabine Lenz
    • 1
  1. 1.Institut für Spezielle Zoologie und Vergleichende EmbryologieMünsterGermany

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