what is sessile ;tunic ;ganglion
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Ascidians are characterized by a tough outer "tunic" made of the polysaccharide cellulose. ... While members of the Thaliacea and Larvacea (Appendicularia) swim freely like plankton, sea squirts are sessileanimals: they remain firmly attached to their substratum, such as rocks and shells.
Ganglion cysts are small, benign, fluid-filled sacs. They can be attached to joints or arise from a tendon sheath, which is the covering over the tendon. They most commonly affect the wrist and hand, but they can appear on the ankle, foot, or knee. They form small lumps under the skin.
Hope it's help u
Ascidians are characterized by a tough outer "tunic" made of the polysaccharide cellulose. ... While members of the Thaliacea and Larvacea (Appendicularia) swim freely like plankton, sea squirts are sessileanimals: they remain firmly attached to their substratum, such as rocks and shells.
Ganglion cysts are small, benign, fluid-filled sacs. They can be attached to joints or arise from a tendon sheath, which is the covering over the tendon. They most commonly affect the wrist and hand, but they can appear on the ankle, foot, or knee. They form small lumps under the skin.
Hope it's help u
01aaradhya:
and what is ganglion
??
what is suctorial mouth??
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