Mussel dissection

aimorales 4,208 views 7 slides Jan 22, 2015
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About This Presentation

Mussel dissection


Slide Content

Mussel Dissection

Hinge Anterior Posterior Dorsal Ventral Byssus Excurrent Siphon Incurrent Siphon Posterior adductor muscle (shell closers) Mussel Dissection

Hinge Mantle edge (secretes shell and is sensory) Mantle surface (containing outgrowth of gonad) Incurrent and excurrent siphons Mussel Dissection

Byssus Foot Palp Visceral mass Right gill (filaments separated) Left gill Mussel Dissection

Parts mussel

Hinge Posterior adductor muscle (shell closer) Foot retractors Mantle attachment scar Tiny anterior adductor muscle (shell closer) Mussel Dissection

Posterior adductor & retractor muscles elongate, thin (California) Anterior adductor muscle on ventral edge (Bay) Mussel Dissection Anterior adductor muscle centered (California) Posterior adductor & retractor muscles shortened, wide (Bay) Muscle scars on shell distinguish Bay from California mussels