Anatomy LE 2: Embryology of the Musculoskeletal System

What is the development of the skeletal system composed of?

What is the embryonic mesoderm divided into?

What is the term for the paraxial mesoderm that will give rise to the musculoskeletal system?

What is the development of the muscular system composed of?

At what day does the development of striated skeletal muscle begin?

What is the term for the developmental abnormalities of the axial skeleton?

What is the stage at which the development of cartilage begins?

What is the term for the developmental abnormalities of the appendicular skeleton?

What is the stage at which the development of smooth muscle begins?

What is the congenital anomaly where one half of the vertebra fails to form?

What is the most common cause of congenital scoliosis?

What happens when the sternal bands fail to grow together in the midline?

What is the result of premature closure of one or more sutures?

Which of the following genes is associated with premature closure of sutures?

What is the result of premature closure of the coronal sutures?

What is the result of premature closure of the frontal (metopic) suture?

What is the characteristic feature of Microcephaly?

What is the name of the condition where the coronal sutures close prematurely on one side only?

From which germ layer do the components of the skeletal system arise?

At which stage of development does the mesodermal layer lateral to the notochord give rise to paraxial and lateral plate mesoderm?

What is the term for the intermediate mesoderm that forms the excretory units of the urinary system?

How many pairs of somites are formed by the end of the 5th week?

What is the name of the cavity that forms between the somatic and splanchnic mesoderm?

At which stage of development does the paraxial mesoderm form somites?

How many occipital pairs are formed during development?

What happens to the 1st occipital and last 5-7 coccygeal pairs during development?

What is the term for the junctional or intermediate mesoderm that connects the segmented somites to the peripheral lateral plate mesoderm?

What divides the embryo into two mesodermal domains by the end of the 5th week?

What types of cells are found in the primaxial domain?

What is the source of innervation for each myotome?

What defines the border between dermis derived from dermatomes and dermis derived from lateral plate mesoderm?

What type of mesoderm gives rise to the muscles of mastication, face, pharynx, and larynx?

What is the main source of smooth muscle development?

Where do vessels in limbs, head, and body wall derive their muscles from?

What is an exception to the rule that smooth muscles develop from splanchnic mesoderm?

What type of glands are also derived from ectoderm?

What is the shape of the limb bud during its initial development?

What forms in between the finger or toe rays as the limb develops?

What is the condition where there is an absence of a digit?

What is the typical occurrence of ectrodactyly?

What is the characteristic of cleft hand and foot?

At what stage do the limbs extend ventrally and the hand plates and foot plates face each other?

At what stage do the soles of the feet face medially?

At what stage do the elbows point caudally and the knees cranially?

What is the term for the abnormality involving extra fingers or toes?