lacrimo-, lacrim-, lacri-, lachrymo-, lacrym-, lacrymi-, lachry- +

1. The secretion of tears; specifically: abnormal or excessive secretion of tears due to local or systemic disease.
2. Shedding tears in excess.

1. A "tear-bottle;" a narrow-necked vessel found in sepulchers of the ancient Romans; so called from a former notion that the tears of the deceased person's friends were collected in it.
2. Pertaining to, or causing the shedding of tears.

A lachrymatory agent or lachrymator is a chemical compound that irritates the eyes to cause tears, pain, and even temporary blindness.

Tear gas and pepper spray are lachrymatory agents that are also used as riot control elements and chemical warfare agents.

Certain lachrymatory agents are often used by the police to assist in controlling offenders, most notably "tear gas" and "mace".

1. Suggestive of or tending to cause tears; mournful.
2. Given to shedding tears readily; tearful.
3. Showing sorrow and so given to tears.

Causing or tending to cause tears.

1. Tear fluid from the eyes.
2. The watery secretion of the lacrimal glands.

The watery secretion of the lacrimal glands serves to moisten the conjunctiva (mucous membrane lining the eyelids); the secretion is slightly alkaline and saline.

1 Relating to, associated with, located near, or constituting the glands that produce tears.
2 Of or relating to tears; such as, lacrimal effusions.

The mechanism for secreting tears and draining them into the nasal cavity, consisting of the lacrimal gland, lake, puncta, canaliculi, sac, and the nasolacrimal duct.

A thin, delicate bone at the anterior part of the medial wall of the orbit; the smallest bone of the face.

A craniometric point situated at the junction of the crest of the lacrimal bone and the frontolacrimal suture.

An imperfect valve at the opening of the nasolacrimal duct into the inferior meatus of the nose; also called, the valve of Hasner.

1. The normal secretion of tears.
2. The secretion and discharge of tears; specifically: abnormal or excessive secretion of tears due to local or systemic disease.
3. Shedding tears in excess.

A substance that increases the flow of tears; such as, tear gas.

1. A "tear-bottle;" a narrow-necked vessel found in sepulchers of the ancient Romans; so called from a former notion that the tears of the deceased person's friends were collected in it.
2. Pertaining to, or causing the production and shedding of tears.

1. A reference to the lacrimal sac and the nose.
2. Pertaining to the lacrimal apparatus and the nose; nasolacrimal.

1. Weeping or inclined to weep; tearful.
2. Causing or tending to cause tears.