Please enable JavaScript.
Coggle requires JavaScript to display documents.
Limb Growth & Development - Coggle Diagram
Limb Growth & Development
Apical Ectodermal Ridge
Thickening of Ectoderm at distal point of Limb Bud
induces Mesenchyme to become Progress Zone
Limb Rotation
Upper Limb (~90 degrees laterally)
Lower Limb (~90 degrees medially)
Endochondral Ossification
Diaphysis (Shaft of Long Bone)
Epiphysis (End of Long Bone)
Epiphyseal Plate (Between Diaphysis & Epiphysis)
Limb Musculature
Derivatives of Myotomes
Embryology Gone Wrong
Limb Abnormalities
Meromelia (Partial Absence of Limb)
Amelia (Complete Absence of Limb)
Micromelia (Abnormally Short Limbs)
Digits
Brachydactyly (Short Digit[s])
Syndactyly (Fused Digit[s])
Polydactyly (Fused Digit[s])
Ectrodactyly (Absence of Digit[s])
Cleft Hand & Foot
Abnormal Space between 2nd & 4th Metacarpals
Osteogenesis Imperfecta
Characterized by Shortening, Bowing, & Hypomineralization of Long Bones
Associated with Blue Sclera & Fractures
Marfan Syndrome
Mutation in
fibrillin-1
Associated with Lens Dislocation, Aortic Dissection, etc.
Tall, Slender Habitus with Long Limbs
Development Dysplasia of the Hip
Underdevelopment of Acetabulum & Head of Femur
Amniotic Bands
Ring Constrictions and/or Amputations of Limbs and/or Digits