How Do You Spell APPARATUS LACRIMALIS?

Pronunciation: [ˌapəɹˈe͡ɪtəs lˌakɹɪmˈɑːliz] (IPA)

Apparatus lacrimalis is the anatomical term referring to the structure responsible for producing and maintaining tear flow in humans. The word is spelled using the International Phonetic Alphabet as /əˌpærətəs lækrɪˈmeɪlɪs/, with stress on the second and fourth syllables. The phonetic transcription guides the pronunciation of the word, which is key to effectively communicating scientific information. Understanding and mastering proper spelling of scientific terms such as apparatus lacrimalis is essential for professionals in the medical field.

APPARATUS LACRIMALIS Meaning and Definition

1. Apparatus lacrimalis refers to the anatomical structure involved in tear secretion and drainage in humans and animals. It is more commonly known as the lacrimal apparatus or lacrimal system. This complex apparatus consists of a series of interconnected organs and ducts that are responsible for the production, distribution, and removal of tears.

   The lacrimal apparatus primarily includes the lacrimal gland, located in the upper outer area of each eye's orbit. This gland secretes tears, which are composed of water, mucus, oils, antibodies, and other substances to protect and lubricate the eye's surface. Tears are then distributed across the surface of the eye by blinking movements.

   The excess tears are drained through the lacrimal puncta, small openings located on the upper and lower eyelids, which open into the lacrimal canaliculi. These canaliculi are tiny canals that merge to form a single passage called the lacrimal sac. The lacrimal sac then connects to the nasolacrimal duct, which carries the tears from the tear sac to the nasal cavity.

   The lacrimal apparatus plays a vital role in maintaining the health and integrity of the eye. Tears help to moisturize and nourish the ocular surface, protect against foreign particles, and provide a smooth optical surface for clear vision. Dysfunction or blockage in any part of the lacrimal system can lead to conditions such as dry eyes or excessive tearing, causing discomfort and affecting vision.

2. Lacrymal apparatus, consisting of the lacrymal gland, the lacrymal lake, the lacrymal canals, the lacrymal sac, and the nasolacrymal duct.

   A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.

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Etymology of APPARATUS LACRIMALIS

The term "apparatus lacrimalis" is a Latin phrase comprised of two words: "apparatus" and "lacrima".

1. "Apparatus" comes from the Latin verb "apparare", which means "to prepare" or "to make ready". Over time, it also came to mean "equipment", "instrument", or "apparatus" in a more general sense.

2. "Lacrima" is the Latin word for "tear". It is derived from the earlier Latin word "lacruma", which has the same meaning.

Therefore, "apparatus lacrimalis" literally translates to "tear apparatus" or "apparatus of tears". It refers to the anatomical structures involved in producing and draining tears.