ANATOMY OF CONJUNCTIVA

Conjunctiva is thin transparent highly vascularized membrane that covers the front of sclera and behind the lids.

It has three parts.

Lymphatic drainage

It is richly supplied with lymphatic tissue which drains into ipsilateral pre-auricular and submandibular lymph nodes.

Histology 

It consists of dermis and epidermis. The epithelium is non-keratinized

The conjunctiva starts at mucocutaneous junction at lid margin behind meibomian glands. 

Nerve supply is from ophthalmic and maxillary division of trigeminal nerve

congenital nevus