Task: Class Definition Understanding (ontology: Sciences/Biology)

Which of the following definitions best describes 'epibranchial ganglion'?

A. A serous sac which is the aggregate of the conjunctiva plus the conjunctival space.
B. Thickening of the proximal end of the hair follicle. Contains rapidly proliferating, rather undifferentiated matrix cells (transient amplifying cells), melanocytes and outer root sheath cells.
C. A minute orifice on the summit of the papillae lacrimales, which is the commencement point of the lacrimal canaliculi.
D. Cranial ganglion which develops from an epibranchial placode.

Answer: Cranial ganglion which develops from an epibranchial placode.