Bones of Trunk

Axial Bones

Composition :

vertebrae(24)
sacrum (1)
coccyx(1)
sternum(1)
ribs(24)




Cervical vertebra :

a.the body: small

b. transverse foramen

c. spinous processes :

short and bifid (except 1,7 cervical vertebrae)

d. vertebral foramen : triangular and relatively large


Atlas:

the first cervical vertebra.
It looks like an irregular ring .

anterior arch ⑴
posterior arch ⑵
lateral mass
dental fovea ⑶
groove for vertebral artery⑷


Body and spinous process absent, consists of anterior and posterior arches, and two lateral masses.





Axis:

the second cervical vertebra.
dontoid process .


Vertebra prominens:

the seventh cervical vertebra.
long and nonbifid
apinous process.




Thoracic vertebrae:

superior costal foveae ⑴
inferior costal foveae ⑵
transverse costal fovea ⑶
The spinous processes are long, thin and posterodownward sloping.







Lumbar vertebrae :

large, thick bodies

The spinous processes are heavy, rectangular and strong, with posterior directions

The vertebral foramen is triangular, but larger than that in the thoracic region.



Sacrum and Coccyx :

sacral promontory ⑴
anterior sacral foramina ⑵
posterior sacral foramina ⑶
sacral canal ⑷
superior articular processes⑸
sacral hiatus ⑹
transverse lines ⑺

The coccyx is composed of 4-5 fused coccygeal vertebrae after the age of 30 years. ⑻


Sternum :

True ribs : the upper 7 ribs, reach to the sternum anteriorly. (1-7)

False ribs: the lower 5 ribs, fail to reach the sternum. (8-12)
Costal arch ------the 8-10th ribs join the costal cartilage immediately
above to form the costal arch.
Floating ribs------the cartilage of the last two ribs are free.



General features of costal bone :


2 comments:

  1. mbbs in Philippines
    Every year, almost 8000 foreign students take admission in Philippines Medical universities and out of which around 50% are Indian students. The standard of education in Philippines universities is well known around the world. Thousands of doctors from these medical universities are sent to various countries like USA and UK every year. There are around 2299 higher educational institutions and 40 medical colleges. The main benefits of pursuing MD degree from

    Top Medical Colleges in Philippines :

    EMILIO AGUINALDO COLLEGE OF MEDICINE
    UNIVERSITY OF PERPETUAL HELP SYSTEM DALTA
    LYCEUM NORTHWESTERN UNIVERSITY
    DAVAO MEDICAL SCHOOL FOUNDATION
    SOUTHWESTERN UNIVERSITY

    Top Searched Topics on MBBS in Philippines


    study mbbs in philippines
    philippines medical colleges list
    best medical colleges in philippines for indian students
    philippines medical colleges
    best medical colleges in philippines
    mci approved medical colleges in philippines

    for more information contact us : +91 90329 55688

    ReplyDelete
  2. UV GULLAS COLLEGE OF MEDICINE is one of Top Medical College in Philippines in Cebu city. International students have the oppertunity to study medicine in phillipines at affordable cost and world class University. The college has successful alumni who have achieved well in the fields of law, business, politics, academe, medicine, sports and other endeavors. At University of the Visayas, we prepare students for a global competition.

    Direct MBBS Admissions Open: 2020-21
    Mobile No: +91 90329 55688
    Apply Now: https://www.careerplus.org.in/philippines-medical-college/uv-gullas-college-of-medicine

    ReplyDelete

Popular Posts