tear duct and glands

Table of Contents

Introduction References & Edit History Quick Facts & Related Topics

Discover

Scolex (head) of the tapeworm Taenia solium. The hooks of the scolex enable the tapeworm to attach to the intestinal wall.

Uninvited Guests: The 7 Worst Parasitic Worms

Demystified - Do Lemmings Really Commit Mass Suicide? illustration

Do Lemmings Really Commit Mass Suicide?

Estimated battle casualties, Normandy invasion, World War II. WWII, D-Day

Estimated Battle Casualties During the Normandy Invasion and Campaign to Liberate Paris (June–August 1944)

Close up of praying mantis walking on stone ground against a blurred background in Japan

6 Animals That Eat Their Mates

NBA Lakers Celtics Finals Kevin Garnett shooting.

10 Great Sports Rivalries

Middle East bee locator map

Are the Middle East and the Near East the Same Thing?

Dancers at a Cinco de Mayo festival at the Mission District, San Francisco, California. (Photo dated 2019.) holidays

Is Cinco de Mayo Mexico's Independence Day?

tear duct and glands: Facts & Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Facts

Also Known As	lacrimal duct • lachrymal duct

Topics

nasolacrimal duct puncta lacrimalia lacrimal sac tear gland tear human eye eye eyeball optic nerve eyelid visual pigment eye colour saccade Why Do Humans Have Eyebrows?How Many Eyes Does a Spider Have?

Quiz

Male muscle, man flexing arm, bicep curl.

Facts You Should Know: The Human Body Quiz

Muscles of facial expression, human anatomy, (Netter replacement project - SSC). Human face, human head.

Characteristics of the Human Body

Superficial arteries and veins of face and scalp, cardiovascular system, human anatomy, (Netter replacement project - SSC)

The Human Body