A. Embryonal disc
B. Yolk sac
C. Amniotic cavity
D. Palacenta
Related Mcqs:
- Bile acids are derived from_____________?
A. Bile salts
B. Bile pigments
C. A & B
D. Cholesterol - Thyroxine and catecholamines are derived from_____________?
A. Tyrosine
B. Tryptophan
C. Alanine
D. Leucine - The rest of malassez in the periodontal ligament are derived from_____________?
A. Dental pulp
B. Lamina propria
C. Odontogenic epithelium
D. Vestibular lamina - Sharpey’s fibres are derived from_____________?
A. Hertwig’s root sheath
B. Epithelial rests of malassez
C. Alveolar bone
D. Dental follicle - The odontoblasts killed during cavity preparation are derived from_____________?
A. Unaffected odontoblasts from the pulp
B. Undifferentiated cells
C. Histocytes
D. Osteoblasts - In granuloma, epithelial and giant cells are derived from_____________?
A. T cells
B. B cells
C. Plasma cells
D. Monocyte - Enzymes responsible for suppuration are derived chiefly from_____________?
A. PMN’s
B. Lymphocytes
C. Monocytes
D. Eosinophils - Which of the following is a derived a derived protein_____________?
A. Protamines
B. Peptones
C. Prolamines
D. Lactalbumin - Meiotic division of male germ cells commence_______________?
A. During intra – uterine life
B. just before birth
C. by around 6 years after birth
D. by around 16 years - Animals maintained in germ free environmental did not develop caries even when fed on a high carbohydrate diet is given by_____________?
A. Gottlieb
B. Miller
C. Synder
D. Orland and Fizgerald