Connective Tissue

Question 9 - Single Best Answer

Marfan's syndrome is an autosomal dominant disorder of connective tissue. It affects mostly the skeletal and cardiovascular system. Patients have hyperextensible joints, spinal deformities, dislocation of the optic lens, abnormal blood vessels and mitral valve problems. The exact mechanism is unknown, but collagen cross-linkages and abnormal elastic fibers are involved. Which cell secretes mostly collagen?

D) endocrine glandular cell

Sorry...
These cells are epithelial in origin. They may secrete proteins like mucin, oil, hormones, etc. but not collagen. Here is an example from the thyroid gland.