Neuroectoderm, surface ectoderm, endoderm, and mesoderm

Question 1

neuroectoderm

Answer 1

tube- CNS
brain and spinal cord
oligodendrocytes- myelin
astrocytes- support
ependymal cells- CSF
optic nerve
retina
pineal gland
posterior pituitary

Question 2

Surface ectoderm

Answer 2

lenses of eye
anterior pituitary
olfactory epithelium
inner ear
anal canal distal to pectinate line
oral epithelium
salivary gland
sweat glands
mammary glands
surface epidermis

Question 3

Endoderm derivatives

Answer 3

Gut tube: energy rather than order
GI tract from esophagus to pectinate line
liver, gallbladder, pancreas
lungs
thymus
parathyroid
follicular cells of thyroid
epithelium of bladder/urethra, and lower 2/3 of vagina

Question 4

Mesoderm derivatives

Answer 4

Dermis (skin)
bone
muscle
bone marrow
blood cells
heart
blood vessels
lymphatics
upper portion of vagina
kidneys
adrenal cortex
gonads