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rachis

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15y ago

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Does feather stars have central disk?

Yes


The name of the stiff quill in a feather?

The stiff quill in a feather is called the "rachis." It is the central shaft that supports the vanes of the feather and provides structure. The rachis extends from the base of the feather to the tip, allowing for the attachment of barbs that create the feather's overall shape and function.


What is a feather shaft?

A typical wing feather consists of a central, stiff shaft with the softer vanes on each side. The leading edge of the feather during flight is called the outer vane. The opposite vane is wider than the outer vane and is referred to as the inner vane.


What is a Piston cylinder?

A cylinder is the central working part of a reciprocating engine, the space in which a piston travels.


Inclined plane wrapped around a central cylinder to form a spiral?

An inclined plane wrapped around a central cylinder to form a spiral is called a screw or a bolt.


What part of a feather is a biot?

A biot is a small part of a feather, specifically referring to the barbs that branch off from the rachis, or central shaft of the feather. These barbs are further divided into smaller structures called barbules, which interlock to create a smooth, aerodynamic surface. Biots play a crucial role in the feather's structure and function, contributing to insulation and flight.


What is quill shaft?

The quill shaft is the central shaft of a feather, providing structural support and rigidity. It consists of a hollow tube called the calamus, which anchors the feather to the bird's skin, and the rachis, which extends from the calamus and supports the barbs. The quill shaft is essential for the feather's functionality in flight and insulation.


What is a hollow center line of a feather on a turkey?

The hollow center line of a feather on a turkey is known as the feather shaft or quill. This central structure provides support and structure to the feather, allowing it to maintain its shape and function effectively for flight and insulation. The hollow nature of the shaft helps reduce weight, making it easier for the turkey to move and fly, despite their large size.


What is a four-cylinder motor?

It Has 4 pistons A cylinder is the central working part of a reciprocating engine, the space in which a piston travels.


What is a manifold used for?

The manifold in a car passes air from one central source to each cylinder opening on the cylinder head.


What are cylinder of nerve tissue?

linked to a central processing unit of a computer


What are the name of the tiny hooks that weave together in a feather?

the Rachis is the central part of the feather, Barbs branch of the Rachis, Barbules branch off the Barbs and Barbicels (Hooks) branch off the Barbsbarbules