> as lemmas
hypoplastron
hypoplastron n. 
/ˌhaɪpoʊˈplæstrən/ Zoology (Huxley's name for) the third lateral piece of the plastron of Chelonia: = hyposternal adj. and n.
Brit. /ˌhʌɪpə(ʊ)ˈplastr(ə)n/
, /ˌhʌɪpə(ʊ)ˈplastr(ə)n/U.S. /ˌhaɪpəˈplæstrən/
, /ˌhaɪpəˈplæstrən//ˌhaɪpoʊˈplæstrən/ΘΚΠ
the world > animals > reptiles > order Chelonia (turtles and tortoises) > [noun] > member of > parts of > shell or parts of
shell1542
tortoiseshell1601
breastplate1698
plastron1831
hyposternal1835
neural plate1849
nuchal1864
hypoplastron1871
medullary plate1879
neural1888
neural bone1889
1871 T. H. Huxley Man. Anat. Vertebrated Animals v. 202 In the Turtle the plastron consists of nine pieces..the third, hypoplastron.
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as lemmas