The human earlobe is composed of tough areolar and adipose connective tissues, lacking the firmness and elasticity of the rest of the auricle source
The human earlobe is composed of tough areolar and adipose connective tissues, lacking the firmness and elasticity of the rest of the auricle
Since the earlobe does not contain cartilage it has a large blood supply and may help to warm the ears and maintain balance. source
Since the earlobe does not contain cartilage it has a large blood supply and may help to warm the ears and maintain balance.
The earlobes are not generally considered to have any major biological function. source
The earlobes are not generally considered to have any major biological function.
It might seem to be that the earlobe, as a body part built of epithelium and connective tissue, is derived from dermatome. source
It might seem to be that the earlobe, as a body part built of epithelium and connective tissue, is derived from dermatome.
The earlobe as a body part arises and develops in the vicinity of of auricular follicle, as a result of cascade induction. source
The earlobe as a body part arises and develops in the vicinity of of auricular follicle, as a result of cascade induction.
Earlobes average about 2 centimeters long, and elongate slightly with age. source
Earlobes average about 2 centimeters long, and elongate slightly with age.
The earlobes do not all fall neatly into either category source
The earlobes do not all fall neatly into either category
Earlobes are normally smooth, but occasionally exhibit creases. source
Earlobes are normally smooth, but occasionally exhibit creases.
Creased earlobes are sometimes associated with genetic disorders in children, including Beckwith-Wiedemann syndrome. source
Creased earlobes are sometimes associated with genetic disorders in children, including Beckwith-Wiedemann syndrome.
In some early studies, earlobe creases were thought to be associated with an increased risk of heart attack and coronary heart disease. source
In some early studies, earlobe creases were thought to be associated with an increased risk of heart attack and coronary heart disease.
More recent studies have concluded that since earlobes become more creased with age, source
More recent studies have concluded that since earlobes become more creased with age,
The earlobe crease is called Frank's Sign. source
The earlobe crease is called Frank's Sign.
Piercing the earlobes is a commonplace activity in many cultures in many historical eras; no other location on the body is as commonly pierced. source
Piercing the earlobes is a commonplace activity in many cultures in many historical eras; no other location on the body is as commonly pierced.
Injury to the earlobe due to the weight of heavy earrings is also common. source
Injury to the earlobe due to the weight of heavy earrings is also common.
Some cultures practice earlobe stretching, using piercing ornaments to stretch and enlarge the earlobes to accommodate plugs. source
Some cultures practice earlobe stretching, using piercing ornaments to stretch and enlarge the earlobes to accommodate plugs.
There was noticeable relationship between the piercing of young girls' earlobes and following development of allergy. source
There was noticeable relationship between the piercing of young girls' earlobes and following development of allergy.
