velum

If the velum interpositum be now carefully raised from before backward, the optic thalami, third ventricle, pineal body and corpora quadrigemina are exposed.

From Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4 "Bradford, William" to "Brequigny, Louis" by Various

Both the velum and the tentacular sheath bear numerous minute tubercles on the external surface.

From Freshwater Sponges, Hydroids & Polyzoa by Annandale, Nelson

There is a veliger stage in development, but the velum is reduced.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" by Various

The inferior medullary velum, a reflection of the pia mater and epithelium from the back of the medulla to the inferior vermis, closes it in below.

From Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4 "Bradford, William" to "Brequigny, Louis" by Various

The room had been built for a smaller studio, and was lit from the roof, blinds being contrived so as to draw like a Roman velum across the glass.

From Eli's Children The Chronicles of an Unhappy Family by Fenn, George Manville

“I could never dress like this in Veracruz, where I live now,” said Ximena Ximénez, 27, who returned to Juchitán for the vela and wore a black, gold and white garment with a matching headpiece.

From Los Angeles Times ● Jan. 11, 2024

She sat patiently as ardent beauticians prepared her for her formal investiture, a highlight of the three-day festival — or vela — that celebrates muxe culture here every November.

From Los Angeles Times ● Jan. 11, 2024

This weekend's festival is called the "True Fearless Seekers of Danger" vela, a name that harkens to the risk many members of the community face.

From Reuters ● Nov. 19, 2023

For it is the vela discovered, denounced, and made over to them by Pedro Vicente.

From The Lost Mountain A Tale of Sonora by Reid, Mayne

By tua vela is to be understood "your own Umbrella."

From Umbrellas and Their History by Sangster, William