Neural tube formation occurs on___________? A. 18 to 23 days post fertilization and is the second stage of craiofacial development B. 28 to 38 days post fertilization and is the third stage of craniofacial development C. 42 to 55 days…
A person showing two cell lines drived from one zygote is__________________? A. ChimerismB. Mosaicism C. Segregation D. Pseudo – dominance
Which of the following is not a neuroectodermal derivative ? A. Paneth cells B. Neurons C. Schwann cells D. Odontoblasts
Which of the following is a derivative of the second brachial cleft________________? A. Tympanic cavity B. Meckel’s cartilageC. Palatine tonsil D. Tongue base
Which part of the body is underdeveloped at birth_____________? A. Eyes B. EarsC. Face D. Brain
The fusion of two bony structures with a ligament is known as_______________? A. Synostosis B. Synchondrosis C. DiarthrosisD. syndesmosis
A non synovial joint with connective tissue in between is_____________? A. syndesmosis B. Synchondrosis C. Saddle D. Suture
Early fusion of the coronal suture results in________________? A. Brachycephaly B. oxycephaly C. Trigonocephaly D. Scaphocephaly
First pharyngeal arc derivatives include which of the following structures ? A. Hyoid boneB. Maxillary process C. Stapes D. Styloid process
Muscles of mastication develops from__________________? A. 1stbranchial arch B. 2nd branchial arch C. 3rd branchial arch D. 6th branchial arch