The Last Two Pairs of Ribs,although They Are Considered False

question 42

True/False

The last two pairs of ribs,although they are considered false ribs,are known as floating ribs,because they do not attach to the sternum anteriorly.

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Definitions:

Endodermal Cell

An endodermal cell is a type of cell originating from the innermost layer of the early embryo, contributing to the formation of the lining of the digestive and respiratory systems.

Stele

The cylinder in the center of roots and stems that contains the vascular tissue; also called vascular cylinder.

Pericycle

A layer of cells found just inside the endodermis in plant roots, involved in the formation of lateral roots and secondary growth.

Endodermis

The innermost layer of cells in the root cortex, serving as a selective barrier that regulates the passage of substances from the soil into the vascular cylinder.