This rudimentary rib causes fibrous changes around the brachial plexus nerves, inducing compression and causing the symptoms and signs of TOS . This is called a " cervical rib " because of its attachment to C-7 ( the 7th cervical vertebra ), and its surgical removal is almost always recommended.
32.
"Albertonectes " is known from a mature individual, as suggested by the fused neural spines and most cervical ribs to their centra, and by the only partial connection between the trochanter and the capitulum ( head ) of the femur, seen in TMP 2007.011.0001.
33.
Cervical ribs are present, a condition previously known only from monotremes and basal mammals such as " Repenomamus " and " Fruitafossor " . " Akidolestes " is also monotreme-like in the shape of its convergence or through a modification of a developmental pathway to a prior state.
34.
According to the medical codes in the 2016 Procedural Coding Expert, published by the American Academy of Professional Coders, for Current Procedural Terminology ( CPT ) and other medical codes, the scalenus anticus muscle can be divided by reparative or reconstructive surgery, with ( # 21705 ) or without ( # 21700 ) resection of the cervical rib.
35.
According to the analysis of his skeleton performed in 1942 by Dr . Douglas Derry, Hornakht died aged 8 9 . On the remains some peculiarities were noted, such as an unusually large and developed skull for his age, the presence of a pair of cervical ribs, and an abnormal lumbar vertebra; however, Derry excluded that these anomalies may have led to Hornakht's premature death.
36.
Preserved parts include : the majority of the skull; the splenial and angular of the lower jaw, a natural mold of the surangular, two cervical vertebrae, cervical ribs, seven dorsals, ribs, gastralia, three sacrals, ten caudals, a chevron, a piece of the scapula, a claw of the hand, a partial thighbone, the upper part of a shinbone, a partial fibula, a fifth metatarsal and the first phalanx of the third toe.
