epitheca

Noun

(microbiology, planktology) The upper half of the theca of a thecate protist such as a diatom or dinoflagellate.

Japanese Meaning

（微生物学、プランクトロジーの文脈で）テカ性原生生物（例：珪藻や鰓虫藻）の外被（テカ）の上半部

Under the microscope, the epitheca of the diatom displayed a series of fine pores along its rim.

顕微鏡で見ると、その珪藻の被殻の上半部には縁に沿って細かな孔がいくつも見られた。

Sense（1）

(microbiology, planktology) The upper half of the theca of a thecate protist such as a diatom or dinoflagellate.

epithecae

（ plural ）