| 释义 |
the·ca
\ˈthēkə\ noun
(plural the·cae \-ē(ˌ)sē\)
Etymology: New Latin, from Latin, case, cover — more at tick
1. : sac, capsule, spore case: as
a. : the capsule of a moss
b. : the pollen sac of an anther
2. : an enveloping sheath or case: as
a. : the cuticular case of an insect larva
b. : the sheath of dura mater enclosing the spinal cord
c. : the layer of dense stroma surrounding a Graafian follicle
d. : hydrotheca
e. : the calcareous wall of a coral calyculus
f. : the test of a testate protozoan or rotifer
g. : the dorsal cup of the calyx of a crinoid |