Back to AI Flashcard MakerAnatomy and Physiology /Histology Fetal Development and Complications - Reverse Part 3

Histology Fetal Development and Complications - Reverse Part 3

Anatomy and Physiology22 CardsCreated about 1 month ago

This deck covers key concepts in fetal development and associated complications, focusing on histological aspects and genetic mutations.

forms urogenital system

Intermediate mesoderm
Tap or swipe ↕ to flip
Swipe ←→Navigate
1/22

Key Terms

Term
Definition
forms urogenital system
Intermediate mesoderm
forms connective tissue of body wall and limbs
parietal layer of lateral plate mesoderm
GI/respiratory organs exxcept epithelial lining
visceral layer of lateral plate mesoderm
somites differentiate (wk 4), myotome differentiation (wk 5), resegmentation (wk 5), organogenesis
Weeks 4-8
chondrification centers for vertebral column develop
week 6
primary ossification centers for vertebral column develop
week 7

Related Flashcard Decks

Study Tips

  • Press F to enter focus mode for distraction-free studying
  • Review cards regularly to improve retention
  • Try to recall the answer before flipping the card
  • Share this deck with friends to study together
TermDefinition
forms urogenital system
Intermediate mesoderm
forms connective tissue of body wall and limbs
parietal layer of lateral plate mesoderm
GI/respiratory organs exxcept epithelial lining
visceral layer of lateral plate mesoderm
somites differentiate (wk 4), myotome differentiation (wk 5), resegmentation (wk 5), organogenesis
Weeks 4-8
chondrification centers for vertebral column develop
week 6
primary ossification centers for vertebral column develop
week 7
ribs form (sclerotome), tail regresses, limbs rotate/enlongate, digits and face develop,
week 8
produces floating ribs
hox9
prevents rib formation
hox 10
from parietal layer of lateral plate mesoderm
sternum formation
sacralization of vertebrae
Hox11
rostral neuropore doesn't close
Anencephaly
causal neuropore doesn't close
spina bifida
malformed pelvis, underdeveloped lower limbs, 250X more in pregestational diabetics
Caudal dysgenesis
form of CD, mermaid syndrome
Sirenomelia
Loss of function: ribcages with all ribs attacted to sternum
Mutation of Hox9
Loss of function: lumbar and sacral vertebrae with ribs. Gain of function: Thoracic vertebrae without ribs
Mutation of Hox10
LoF: Sacral vertevrae that donot fuse. GoF: vertebrae at various levels fusing
Mutation of Hox 11
fracture of pars interarticularis
Spondylolysis
Hox11 gain of function mutation at L5
Sacralization of L5 vertebra
bone ossification centers (wk 12), ext genetalia visible (wk 12), swallowing and urine formation (wk 10), respiratory movements (wk 15)
Weeks 9+ (fetal period)
weeks 24 - 28
Sound and light recognition