Structural Organisation In Animals Question 470
Question: Which of the following muscles are ectodermal in origin
Options:
A) Muscles of the iris
B) Ciliary muscles
C) Lentis muscles
D) None of these
Show Answer
Answer:
Correct Answer: A
Solution:
Muscular tissue in general develops from the mesoderm of the embryo but the muscles of the iris of the eye and myoepithelials cells of the salivary, mammary and sweat glands arise from the ectoderm of the embryo.
BETA
