Endodermal Derivatives Flashcards
Fate of Pharyngeal Pouches I
- Eustachian Tube
2. External Auditory Canal
Fate of Pharyngeal Pouches II
- Palatine Tonsils
2. Thyroid
Fate of Pharyngeal Pouches III
- Paired Inferior Parathyroid Glands
- Thymus
- Thyroid
Fate of Pharyngeal Pouches IV
- Paired Superior Parathyroid Glands
2. Thymus
Fate of Pharyngeal Pouches VI
Ultimobranchial Bodies
Equivalent of Thyroid Diverticulum in Amphibian
Thyroid Bodies
The ultimobranchial bodies fuse with the thyroid to form what structure?
Parafollicular Gland
The thyroid is in between which pharyngeal pouches?
Pharyngeal Pouches II and III
What morphogenetic movements lead to the formation of the Branchial Cleft/Groove?
- Ectodermal Invagination
2. Endodermal Evagination
Fate of Pharyngeal Arches I
- Meckel’s Cartilage
- Incus
- Malleus
Fate of Pharyngeal Arches II
- Reichert’s Cartilage
- Stapes
- Styloid
- Facial Muscles
Fate of Pharyngeal Arches III
- Gills
- Hyoid Cartilage
- Epiglottis
Fate of Pharyngeal Arches IV
- Gills
- Larynx
- Epiglottis
What two structures compose the body of the tongue?
- Lateral Lingual Swellings
2. Tuberculum Impar
Another Name for the Root of the Tongue
Copula
Extrahepatic Biliary Tree Precursor Cells Gene Expression Changes
- Ceasing of Pdx-1 Expression
2. Continued Sox-17 Expression
Ventral Pancreas Precursor Cells Gene Expression Changes
- Ceasing of Sox-17 Expression
2. Continued Pdx-1 Expression
When does bile production begin?
12 Weeks
Dorsal Bud gives rise to which parts of the pancreas?
Head, Body, Tail
Ventral Bud gives rise to which parts of the pancreas?
Distal Region of Head, Uncinated Process
Fingerlike ectodermal evagination towards the floor of the diencephalon/infundibulum
Rathke’s Pouch
At what week does the primitive stomach appear in humans?
Week 4
Cavity of Greater Omentum
Omental Bursa
At what week does umbilical herniation occur?
Week 8
The cloaca is formed by joining the ______ and the ______.
- Terminal End of Hindgut
2. Allantois
These cells are unique to the intestines and produce lysozymes.
Paneth Cells
Bud of endoderm that extends out from the foregut into the surrounding mesenchyme
Hepatic Diverticulum
Population of Hepatic Diverticulum that Exclusively Forms Liver Cells
Lateral Group
Population of Hepatic Diverticulum that Forms Several Midgut Regions
Ventral-medial Group
