Get it on Google Play
New! Download Unionpedia on your Android™ device!
Faster access than browser!


Index Eyelid

An eyelid is a thin fold of skin that covers and protects the human eye. [1]

65 relations: Acne, Adipose tissue, Allergy, Anastomosis, Antibiotic, Asymptomatic, Bacteria, Basal-cell carcinoma, Birth defect, Blepharitis, Blepharochalasis, Blepharoplasty, Blepharospasm, Blinking, Cellulitis, Chalazion, China, Conjunctiva, Dandruff, Death, Demodex, Demodicosis, Dermatitis, Dermatochalasis, Ectropion, Edema, Encyclopædia Britannica Ultimate Reference Suite, Entropion, Eye, Eyelash, Gland, Gland of Zeis, Hair follicle, Hay–Wells syndrome, Infraorbital nerve, Infratrochlear nerve, Lacrimal artery, Lacrimal nerve, Last offices, Lateral palpebral arteries, Levator palpebrae superioris muscle, Medial palpebral arteries, Meibomian gland, Moll's gland, Neoplasm, Nictitating membrane, Ophthalmic artery, Orbicularis oculi muscle, Orbital septum, Palpation, ..., Ptosis (eyelid), Sebaceous gland, Skin, Staphylococcus aureus, Stye, Subcutaneous tissue, Supraorbital nerve, Supratrochlear nerve, Tarsus (eyelids), Tears, Tissue (biology), Topical medication, Trichiasis, Trigeminal nerve, Warm compress. Expand index (15 more) »


Acne, also known as acne vulgaris, is a long-term skin disease that occurs when hair follicles are clogged with dead skin cells and oil from the skin.

New!!: Eyelid and Acne · See more »

Adipose tissue

In biology, adipose tissue, body fat, or simply fat is a loose connective tissue composed mostly of adipocytes.

New!!: Eyelid and Adipose tissue · See more »


Allergies, also known as allergic diseases, are a number of conditions caused by hypersensitivity of the immune system to typically harmless substances in the environment.

New!!: Eyelid and Allergy · See more »


An anastomosis (plural anastomoses) is a connection or opening between two things (especially cavities or passages) that are normally diverging or branching, such as between blood vessels, leaf veins, or streams.

New!!: Eyelid and Anastomosis · See more »


An antibiotic (from ancient Greek αντιβιοτικά, antibiotiká), also called an antibacterial, is a type of antimicrobial drug used in the treatment and prevention of bacterial infections.

New!!: Eyelid and Antibiotic · See more »


In medicine, a disease is considered asymptomatic if a patient is a carrier for a disease or infection but experiences no symptoms.

New!!: Eyelid and Asymptomatic · See more »


Bacteria (common noun bacteria, singular bacterium) is a type of biological cell.

New!!: Eyelid and Bacteria · See more »

Basal-cell carcinoma

Basal-cell carcinoma (BCC), also known as basal-cell cancer, is the most common type of skin cancer.

New!!: Eyelid and Basal-cell carcinoma · See more »

Birth defect

A birth defect, also known as a congenital disorder, is a condition present at birth regardless of its cause.

New!!: Eyelid and Birth defect · See more »


Blepharitis is one of the most common ocular conditions characterized by inflammation, scaling, reddening, and crusting of the eyelid.

New!!: Eyelid and Blepharitis · See more »


Blepharochalasis is an inflammation of the eyelid that is characterized by exacerbations and remissions of eyelid edema, which results in a stretching and subsequent atrophy of the eyelid tissue, leading to the formation of redundant folds over the lid margins.

New!!: Eyelid and Blepharochalasis · See more »


Blepharoplasty (Greek: blepharon, "eyelid" + plassein "to form") is the plastic surgery operation for correcting defects, deformities, and disfigurations of the eyelids; and for aesthetically modifying the eye region of the face.

New!!: Eyelid and Blepharoplasty · See more »


Blepharospasm is any abnormal contraction or twitch of the eyelid.

New!!: Eyelid and Blepharospasm · See more »


Blinking is a bodily function; it is a semi-autonomic rapid closing of the eyelid.

New!!: Eyelid and Blinking · See more »


Cellulitis is a bacterial infection involving the inner layers of the skin.

New!!: Eyelid and Cellulitis · See more »


Chalazion is a cyst in the eyelid due to a blocked oil gland.

New!!: Eyelid and Chalazion · See more »


China, officially the People's Republic of China (PRC), is a unitary one-party sovereign state in East Asia and the world's most populous country, with a population of around /1e9 round 3 billion.

New!!: Eyelid and China · See more »


The conjunctiva lines the inside of the eyelids and covers the sclera (the white of the eye).

New!!: Eyelid and Conjunctiva · See more »


Dandruff is a skin condition that mainly affects the scalp.

New!!: Eyelid and Dandruff · See more »


Death is the cessation of all biological functions that sustain a living organism.

New!!: Eyelid and Death · See more »


Demodex is a genus of tiny mites that live in or near hair follicles of mammals.

New!!: Eyelid and Demodex · See more »


Demodicosis, also called demodectic mange or red mange, is caused by a sensitivity to and overpopulation of Demodex canis as the hosts immune system is unable to keep the mites under control.

New!!: Eyelid and Demodicosis · See more »


Dermatitis, also known as eczema, is a group of diseases that results in inflammation of the skin.

New!!: Eyelid and Dermatitis · See more »


Dermatochalasis is a medical condition, defined as an excess of skin in the upper or lower eyelid, also known as "baggy eyes." It may be either an acquired or a congenital condition.

New!!: Eyelid and Dermatochalasis · See more »


Ectropion is a medical condition in which the lower eyelid turns outwards.

New!!: Eyelid and Ectropion · See more »


Edema, also spelled oedema or œdema, is an abnormal accumulation of fluid in the interstitium, located beneath the skin and in the cavities of the body, which can cause severe pain.

New!!: Eyelid and Edema · See more »

Encyclopædia Britannica Ultimate Reference Suite

Encyclopædia Britannica Ultimate Reference Suite is an encyclopædia based on the Encyclopædia Britannica and published by Encyclopædia Britannica, Inc..

New!!: Eyelid and Encyclopædia Britannica Ultimate Reference Suite · See more »


Entropion is a medical condition in which the eyelid (usually the lower lid) folds inward.

New!!: Eyelid and Entropion · See more »


Eyes are organs of the visual system.

New!!: Eyelid and Eye · See more »


An eyelash or simply lash is one of the hairs that grows at the edge of the eyelid.

New!!: Eyelid and Eyelash · See more »


A gland is a group of cells in an animal's body that synthesizes substances (such as hormones) for release into the bloodstream (endocrine gland) or into cavities inside the body or its outer surface (exocrine gland).

New!!: Eyelid and Gland · See more »

Gland of Zeis

Glands of Zeis are unilobar sebaceous glands located on the margin of the eyelid.

New!!: Eyelid and Gland of Zeis · See more »

Hair follicle

The hair follicle is a dynamic organ found in mammalian skin.

New!!: Eyelid and Hair follicle · See more »

Hay–Wells syndrome

Hay–Wells syndrome (also known as AEC syndrome; see Naming) is one of at least 150 known types of ectodermal dysplasia.

New!!: Eyelid and Hay–Wells syndrome · See more »

Infraorbital nerve

After the maxillary nerve enters the infraorbital canal, the nerve is frequently called the infraorbital nerve.

New!!: Eyelid and Infraorbital nerve · See more »

Infratrochlear nerve

The infratrochlear nerve is given off from the nasociliary nerve just before it enters the anterior ethmoidal foramen.

New!!: Eyelid and Infratrochlear nerve · See more »

Lacrimal artery

The lacrimal artery is an artery that arises close to the optic foramen, and is one of the largest branches derived from the ophthalmic artery.

New!!: Eyelid and Lacrimal artery · See more »

Lacrimal nerve

The lacrimal nerve is the smallest of the three branches of the ophthalmic division of the trigeminal nerve.

New!!: Eyelid and Lacrimal nerve · See more »

Last offices

The last offices, or laying out, is the procedures performed, usually by a nurse, to the body of a dead person shortly after death has been confirmed.

New!!: Eyelid and Last offices · See more »

Lateral palpebral arteries

The lateral palpebral arteries are small arteries which supply the eyelid.

New!!: Eyelid and Lateral palpebral arteries · See more »

Levator palpebrae superioris muscle

The levator palpebrae superioris (Latin for: elevating muscle of upper eyelid) is the muscle in the orbit that elevates the superior (upper) eyelid.

New!!: Eyelid and Levator palpebrae superioris muscle · See more »

Medial palpebral arteries

The medial palpebral arteries (internal palpebral arteries) are arteries of the head.

New!!: Eyelid and Medial palpebral arteries · See more »

Meibomian gland

The Meibomian glands (often written with a small m, and also called tarsal glands) are a holocrine type of exocrine glands, at the rim of the eyelids inside the tarsal plate, responsible for the supply of meibum, an oily substance that prevents evaporation of the eye's tear film.

New!!: Eyelid and Meibomian gland · See more »

Moll's gland

Glands of Moll, also known as ciliary glands, are modified apocrine sweat glands that are found on the margin of the eyelid.

New!!: Eyelid and Moll's gland · See more »


Neoplasia is a type of abnormal and excessive growth of tissue.

New!!: Eyelid and Neoplasm · See more »

Nictitating membrane

The nictitating membrane (from Latin nictare, to blink) is a transparent or translucent third eyelid present in some animals that can be drawn across the eye from the medial canthus for protection and to moisten it while maintaining vision.

New!!: Eyelid and Nictitating membrane · See more »

Ophthalmic artery

The ophthalmic artery (OA) is the first branch of the internal carotid artery distal to the cavernous sinus.

New!!: Eyelid and Ophthalmic artery · See more »

Orbicularis oculi muscle

The orbicularis oculi is a muscle in the face that closes the eyelids.

New!!: Eyelid and Orbicularis oculi muscle · See more »

Orbital septum

The orbital septum (Palpebral fascia) is a membranous sheet that acts as the anterior boundary of the orbit.

New!!: Eyelid and Orbital septum · See more »


Palpation is the process of using one's hands to check the body, especially while perceiving/diagnosing a disease or illness.

New!!: Eyelid and Palpation · See more »

Ptosis (eyelid)

Ptosis (/ˈtoʊsɪs/) is a drooping or falling of the upper eyelid.

New!!: Eyelid and Ptosis (eyelid) · See more »

Sebaceous gland

Sebaceous glands are microscopic exocrine glands in the skin that secrete an oily or waxy matter, called sebum, to lubricate and waterproof the skin and hair of mammals.

New!!: Eyelid and Sebaceous gland · See more »


Skin is the soft outer tissue covering vertebrates.

New!!: Eyelid and Skin · See more »

Staphylococcus aureus

Staphylococcus aureus is a Gram-positive, round-shaped bacterium that is a member of the Firmicutes, and it is a member of the normal flora of the body, frequently found in the nose, respiratory tract, and on the skin.

New!!: Eyelid and Staphylococcus aureus · See more »


A stye, also known as a hordeolum, is a bacterial infection of an oil gland in the eyelid.

New!!: Eyelid and Stye · See more »

Subcutaneous tissue

The subcutaneous tissue, also called the hypodermis, hypoderm, subcutis, or superficial fascia, is the lowermost layer of the integumentary system in vertebrates.

New!!: Eyelid and Subcutaneous tissue · See more »

Supraorbital nerve

The supraorbital nerve is a terminal branch of the frontal nerve.

New!!: Eyelid and Supraorbital nerve · See more »

Supratrochlear nerve

In human cranial neuroanatomy, the supratrochlear nerve is a branch of the frontal nerve, which itself comes from the ophthalmic division of the trigeminal (or fifth) cranial nerve.

New!!: Eyelid and Supratrochlear nerve · See more »

Tarsus (eyelids)

The tarsi (tarsal plates) are two comparatively thick, elongated plates of dense connective tissue, about in length; one is found in each eyelid, and contributes to its form and support.

New!!: Eyelid and Tarsus (eyelids) · See more »


Tearing, lacrimation, or lachrymation is the secretion of tears, which often serves to clean and lubricate the eyes in response to an irritation of the eyes.

New!!: Eyelid and Tears · See more »

Tissue (biology)

In biology, tissue is a cellular organizational level between cells and a complete organ.

New!!: Eyelid and Tissue (biology) · See more »

Topical medication

A topical medication is a medication that is applied to a particular place on or in the body.

New!!: Eyelid and Topical medication · See more »


Trichiasis a medical term for abnormally positioned eyelashes that grow back toward the eye, touching the cornea or conjunctiva.

New!!: Eyelid and Trichiasis · See more »

Trigeminal nerve

The trigeminal nerve (the fifth cranial nerve, or simply CN V) is a nerve responsible for sensation in the face and motor functions such as biting and chewing; it is the largest of the cranial nerves.

New!!: Eyelid and Trigeminal nerve · See more »

Warm compress

A warm compress is a method of applying heat to the body.

New!!: Eyelid and Warm compress · See more »

Redirects here:

Anterior surface of eyelid, Blepharal, Chinese eyelid tape, Double eyelid, Eye lid, Eye-lid margin, Eyelid disease, Eyelid diseases, Eyelid enhancement, Eyelid margin, Eyelids, Human eyelid, Inferior eyelid, Inferior eyelids, Lid margin, Lower eyelid, Palpebra, Palpebrae, Palpebral, Palpebræ, Posterior surface of eyelid, Superior eyelid, Superior eyelids, Superior palpebrae, Upper eyelid.


[1] https://en.wikipedia.org/wiki/Eyelid

Hey! We are on Facebook now! »