Summary
Physical Description
Ecology
Life History & Behaviour
Feeding Behavior
Anatomy & Physiology
Glossary of Gastropod Anatomy
Internal Anatomy
Muscular Foot Strength
Nociceptive Behavior
Evolution & Systematics
Biogeographic Distribution
Conservation & Threats
Human Interaction
Names & Taxonomy
References & Links | Torsion: 180 degree counterclockwise rotation of the visceral mass with respect to the head and foot
Whorls: Complete coils forming a spiral around the central node
Anal Pores: permit fouled water through perforations to exit dorsally of posteriorly to circumvent the mouth
Aperture: large opening at the base of the cone allowing the extension and retraction of the foot
Siphonal Canal: anterior margin of the shell aperture for accommodation of the siphon
Body Whorl: outermost whorl at the base of the cone
Protoconch: original shell of the veliger
Teleoconch: adult shell that is formed by the addition of shell material to the outer lip
Columellar muscle: allows for the extension and retraction of the foot and originates on the columella and inserts the operculum into the foot
Operculum: Horny disc located on the posterior dorsal surface
Pallial duct: ciliated groove beginning at the posterior nephridiopore (gonopore) forming part of the genital duct
Copulatory bursa: receptacle for the the initial reception and long term storage of sperm
Gonoducts: Nephrostomes of the nephridia allow for the entrance and exit of gametes
Cephalic tentacles: 2 chemomechanoreceptive tentacles located on top of the head region
Ganglion: a neruromere consisting of cortex cell bodies and a medulla of axions enclosed in a connective tissue capsule connected to sensory receptors
Cerebral Ganglion: receives sensory nerves from the eyes, tentacles, and statosysts
Salivary glands: secrete mucus into the buccal cavity
Sorting Area: ciliated grooves and ridges located in the epithelium of the anterior stomach
Radula: flexible longitudinal ribbon of transverse rows of tiny chininous teeth
Radular Sac: ventral evagination of the floor of the buccal cavity
Hypobrachial glands: two patches of mucus secreting epithelium located on the mantle roof
Osphradia: sensory receptor cells in the inhalant water current that monitor the water entering the mantle
Ctenidia: several pairs of gills that are located in the posterior mantle cavity
Statocysts: pair of balance sensory receptors located in the foot
All definitions were taken directly from the Ruppert et al. 2004
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