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Calyx is a term used in animal anatomy for some cuplike areas or structures. Etymology. Latin, from calyx (from Ancient Greek κάλυξ, case of a bud, husk").
The renal calyces (sg. calyx) are conduits in the kidney through which urine passes. The minor calyces form a cup-shaped drain around the apex of the renal pyramids.Urine formed in the kidney passes through a renal papilla at the apex into the minor calyx; four or five minor calyces converge to form a major calyx through which urine passes into the renal pelvis (which in turn drains urine out ...
Calyx (anatomy), collective name for several cup-like structures in animal anatomy; Calyx (botany), the collective name for the sepals of a flower; Calyce, a genus of beetles; Calyx, a genus of sea sponges; Calyx of Held, a large synapse in the auditory brainstem structure; Eubela calyx, species of sea snail; Renal calyx, a chamber in the ...
The renal filtrate it carries drains into a minor calyx as urine. [6] The cells that comprise the duct itself are similar to rest of the collecting system. The duct is lined by a layer of simple columnar epithelium resting on a thin basement membrane. The epithelium is composed primarily of principal cells and α-intercalated cells. [7]
The inner surface of the corallite is known as the calyx. The vertical blades inside the calyx are known as septa and in some species, these ridges continue outside the corallite wall as costae. [2] Where there is no corallite wall, the blades are known as septocostae.
Anatomy of a stalked crinoid. The basic body form of a crinoid is a stem (not present in adult feather stars) and a crown consisting of a cup-like central body known as the theca, and a set of five rays or arms, usually branched and feathery.
Calyx of Held microstructure. The calyx of Held is a particularly large excitatory synapse in the mammalian auditory nervous system, so named after Hans Held who first described it in his 1893 article Die centrale Gehörleitung [1] [2] because of its resemblance to the calyx of a flower. [3]
Like the bony pelvis, the renal pelvis (/ ˈ r iː n əl ˈ p ɛ l v ɪ s /) gets its English name via Neo-Latin from the older Latin word pelvis, "basin", as in "wash basin". [4] In both cases the name reflects the shape of the structure, and in the case of the renal pelvis, it also reflects the function.