{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Goldstein Discussion Vocab Terms

Goldstein Discussion Vocab Terms - • Zone of Polarizing...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Vocab Terms Sonic Hedgehog (SHH): morphogen – plays a key role in regulating the growth of digits on limbs and organization of the brain – controls cell division of adult stem cells Fibroblast Growth Factor (FGF): involved in proliferation and differentiation of wide variety of cells and tissues – present in basement membranes Somites : masses of mesoderm distributed along the two sides of the neural tube and that will eventually become dermis, skeletal muscle, and vertebrae – highly involved with rib formation Cloaca : the opening at the end of the intestinal tract that excretes urine and feces Axial skeleton : the portion of the skeleton that contains the skull, ribcage, and vertebral column
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: • Zone of Polarizing Activity : area of mesenchyme that contains signals which instruct the developing limb bud to form along the anterior/posterior axis – AER and ZPA are dependent on each other • Hypopheses : feature of the cervical region • Apical ectodermal ridge (AER): thickened layer of ectodermal cells at the distal tip of a developing limb bud – works with the zone of polarizing activity – crucial organizing region during limd development – all other vertebrae except amphibians use this ridge • Contralateral : “on the other side” • Mesenchyme : mesodermal tissue that develops into connective and skeletal tissues...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online