Neck of rib |Neck of rib| |A central rib of the left side.
Inferior aspect. (Neck visible at upper right.)| |A central rib
of the left side, viewed from behind. (Neck visible at upper
right.)| |Gray's||subject #28 124| The neck of the rib is the
flattened portion of a rib bone which extends laterally from the
head; it is about 2.5 cm. long, and is placed in front of the
transverse process of the lower of the two vertebræ with which
the head articulates. Its anterior surface is flat and smooth,
its posterior rough for the attachment of the ligament of the
neck, and perforated by numerous foramina. Of its two borders
the superior presents a rough crest (crista colli costœ) for the
attachment of the anterior costotransverse ligament; its
inferior border is rounded. On the posterior surface at the
junction of the neck and body, and nearer the lower than the
upper border, is an eminence—the tubercle; it consists of an
articular and a non-articular portion. - The articular portion,
the lower and more medial of the