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A fenestra (fenestration; pl.: fenestrae or fenestrations) is any small opening or pore, commonly used as a term in the biological sciences. [1] It is the Latin word for "window", and is used in various fields to describe a pore in an anatomical structure.
Fenestration or fenestrate may refer to: Fenestration (architecture), relating to openings in a building; Fenestra, in anatomy, medicine, and biology, any small opening in an anatomical structure; Leaf window, or fenestration, a translucent or transparent area in a plant leaf
A flowering Fenestraria rhopalophylla, so named due to the translucent leaf window on the tips of its modified leaf.. Leaf window, also known as epidermal window, [1] and fenestration, [2] [3] is a specialized leaf structure consisting of a translucent area through which light can enter the interior surfaces of the leaf where photosynthesis can occur.
There are four types of amniote skull, classified by the number and location of their temporal fenestrae. Though historically important for understanding amniote evolution, some of these configurations have little relevance to modern phylogenetic taxonomy.
An anapsid is an amniote whose skull lacks one or more skull openings (fenestra, or fossae) near the temples. [1] Traditionally, the Anapsida are considered the most primitive subclass of amniotes, the ancestral stock from which Synapsida and Diapsida evolved, making anapsids paraphyletic.
Matthäus Merian's impression of the 1618 Defenestration of Prague. Defenestration (from Neo-Latin de fenestrā [1]) is the act of throwing someone or something out of a window. [2]
The ribbed vaulting and flying buttresses of Gothic architecture concentrated the weight and thrust of the roof, freeing wall-space for larger clerestory fenestration. Generally, in Gothic masterpieces, the clerestory is divided into bays by the vaulting shafts that continue the same tall columns that form the arcade separating the aisles from ...
Senescence (/ s ɪ ˈ n ɛ s ə n s /) or biological aging is the gradual deterioration of functional characteristics in living organisms. Whole organism senescence involves an increase in death rates or a decrease in fecundity with increasing age, at least in the later part of an organism's life cycle.