- When do fontanelles disappear and begin to ossify?
- Congenital fusion of one or more vertebrae. Patients present with a short neck, low hairline, and restricted neck movement
- When do we see the formation of three primary ossifications?
- The annulus fibrous part of the intervertebral discs is formed by what?
- How many primary ossification centers are there for C2 (axis)?
- When do the secondary ossification centers appear?
- When do we see the development of the axial skeleton?
- When does ossification of the vertebral column begin?
- What types of bones develop from enchondral ossification?
- What are the two stages of the changes to condensed mesenchyme?
- WAhen does ossification of the vertebral column end?
- The optimum time to perform a complete fetal echo is..
- When do chondrification centers begin to appear in the mesenchymal vertebrae?
- When do the two condrification centers in the centrum of each vertebrae fuse?
- How many secondary ossification centers appear after puberty?
- The most sensitive period in the first trimester for cardiac development is between...
- The primitive heart forms like a large blood vessel from the _____________ cells in the cardiogenic area of the embryo
- What is the origin of the skeletal system?
- Long bones and vertebrae develop from what type of ossification?
- The right fourth arch forms the proximal part of the...