Basic Knowledge

The lacrimal system (Fig. 3.1) consists of two sections:

❖ Structures that secrete tear fluid.

❖ Structures that facilitate tear drainage.

— Anatomy of the lacrimal system.

Orbital part of the lacrimal gland —

Superior punctum lacrimale

Superior punctum lacrimale

Superior lacrimal canaliculus

Fundus of the lacrimal sac

Plica semilunaris

Lacrimal sac

Nasolacrimal duct

Inferior concha

Inferior punctum lacrimale

Fig. 3.1 The lacrimal system consists of tear secretion structures and tear drainage structures.

Superior lacrimal canaliculus

Fundus of the lacrimal sac

Plica semilunaris

Lacrimal sac

Nasolacrimal duct

Inferior concha

Inferior punctum lacrimale

Fig. 3.1 The lacrimal system consists of tear secretion structures and tear drainage structures.

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