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Melolabial folds (marionette lines) Greater auricular nerve; Injury to the greater auricular nerve is the most seen nerve injury after rhytidectomy. [17] [18] Care should be taken in elevation over the sternocleidomastoid muscle, because of the terminal branches of the nerve that pass superficially to innervate the earlobe. Vascularisation
The nasolabial folds, commonly known as "smile lines" [1] or "laugh lines", [2] [self-published source] are facial features. They are the two skin folds that run from each side of the nose to the corners of the mouth. They are defined by facial structures that support the buccal fat pad. [3] They separate the cheeks from the upper lip.
Marionette lines (melomental folds) are long vertical lines that laterally circumscribe the chin. [1] They are important landmarks for the general impression of the face. Marionette lines appear with advancing age, but some people never get them, depending on facial structure and anatomy.
Alfred Blaschko, a private practice dermatologist from Berlin, first described and drew the patterns of the lines of Blaschko in 1901. He obtained his data by studying over 140 patients with various nevoid and acquired skin diseases and transposed the visible patterns the diseases followed onto dolls and statues, then compiled the patterns onto a composite schematic of the human body.
The output of an Er:YAG laser is strongly absorbed by water. As a result, they are widely used for medical procedures in which deep penetration of tissues is not desired.
A Dennie–Morgan fold, also known as a Dennie–Morgan line or an infraorbital fold, is a fold or line in the skin below the lower eyelid. It can simply be an ethnic/genetic trait, [ 3 ] but was found in one study to occur in 25% of patients with atopic dermatitis . [ 4 ]
Growth arrest lines, also known as Harris lines, are lines of increased bone density that represent the position of the growth plate at the time of insult to the organism and formed on long bones due to growth arrest. They are only visible by radiograph or in cross-section. The age at which the lines were formed can be estimated from a radiograph.
Mees' lines can look similar to injury to the nail, which should not be confused with true Mees' lines. [1] Mees' lines appear after an episode of poisoning with arsenic, [2] thallium or other heavy metals or selenium, [3] opioid MT-45, and can also appear if the subject is suffering from kidney failure. [4] They have been observed in ...