Theromyzon
National Institutes of Health
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In annelids, it has been established that arginine-vasopressin (AVP)/oxytocin (OT) superfamily peptides are involved in the…
At the present time, there is little information on mechanisms of innate immunity in invertebrate groups other than insects…
We purified a new trypsin-chymotrypsin inhibitor, designated tessulin, from the rhynchobdellid leech Theromyzon tessulatum. This…
Parasitism by nasal leeches has been reported in a variety of species of waterfowl in North America (Trauger and Bartonek, 1977…
The body water content of Theromyzon tessulatum changes considerably during the life cycle. Water content is low and undergoes…
Two types of neurosecretory cells (α and β) are present in the brain in Hirudo and Theromyzon . The α cells contain secretions…