proglottid
Concise Oxford English Dictionary © 2008 Oxford University Press:
proglottid /prəʊˈglɒtɪd/
▶noun Zoology each segment of a tapeworm, containing a complete sexually mature reproductive system.
– origin C19: from Gk proglōssis, proglōssid- ‘point of the tongue’, based on glōssa, glōtta ‘tongue’ (because of its shape).
'proglottid' also found in these Oxford entries:

