00:10
00:09
00:08
00:07
00:06
00:05
00:04
00:03
00:02
00:01
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
blastocoel blas·to·coel or blas·to·cele or blas·to·coele (blās'tə-sēl')
n.
The fluid-filled cavity in the blastula of a developing embryo. Also called cleavage cavity, segmentation cavity.
| blastocoel or blastocoele (blās'tə-sēl') Pronunciation Key
The fluid-filled, central cavity of a blastula. |