Crossword clues for fenestra
The Collaborative International Dictionary
Fenestra \Fe*nes"tra\, n.; pl. Fenestr[ae]. [L., a window.] (Anat.) A small opening; esp., one of the apertures, closed by membranes, between the tympanum and internal ear.
Wiktionary
n. an opening in a body, sometimes with a membrane
WordNet
n. a small membrane-covered opening (especially one in the bone between the middle and inner ear)
[also: fenestrae (pl)]
Wikipedia
Fenestra (plural: fenestræ) is a Latin word that means " window".
It may also refer to:
- Fenestra (histology), a small pore in endothelial cells that allow for rapid exchange of molecules between sinusoid blood vessels and surrounding tissue
- Fenestra (anatomy), a term is used to refer to a natural (as opposed to traumatic) opening in the skull or other bones
- Fenestrae B.V., a Dutch software company
In histology, fenestræ are small pores in endothelial cells that allow for rapid exchange of molecules between fenestrated blood vessels, sinusoid blood vessels and surrounding tissue. These pores may enlarge and contract at the action of various stimuli such as noradrenaline. Fenestræ (singular: fenestra) is a Latin word that means "windows".
Usage examples of "fenestra".
In the Saurischia, this indentation is large and carries at least one fenestra, whereas in the Ornithischia the fossa as well as its fenestra are significantly reduced or missing.
Great apertures, the fenestrae, occur in the cheek region of the skull, behind the eyes, and also along the sides of the snout.
These fenestrae are characteristic of all theropods, and indeed of all primitive dinosaurs, but in allosaurs and abelisaurs they were relatively larger than in others.
Each skull was twice as long as it was high, with large eyeholes, gaping pre-orbital fenestrae halfway down the snout, and elliptical nares.
Excess salt would be eliminated from the small openings over his pre-orbital fenestrae, on either side of his muzzle.
They can be distinguished from the primitive archosauromorphs by the presence of an opening in the skull in front of the eye, the antorbital fenestra.