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Aquagenic keratoderma, also known as acquired aquagenic palmoplantar keratoderma, [4]: 788 transient reactive papulotranslucent acrokeratoderma, [4] aquagenic syringeal acrokeratoderma, [4] and aquagenic wrinkling of the palms, [2] is a skin condition characterized by the development of white papules on the palms after water exposure.
Megabalanus tintinnabulum is a species of large barnacle in the family Balanidae. It is the type species of the genus. The specific name comes from the Latin tintinnabulum meaning a handbell and probably refers to the fact that small groups of barnacles resemble clusters of miniature bells.
Gooseneck barnacles, sea mussels and several species of acorn barnacles soon follow. Further competition is provided by sea palms, the large holdfasts of which may smother or squeeze out the molluscs and barnacles. Sea palms may settle on the mussels and may be carried away in storms, taking the mussels with them.
Lichenoid keratosis (benign lichenoid keratosis, lichen planus-like keratosis, solitary lichen planus, solitary lichenoid keratosis) Linear verrucous epidermal nevus (linear epidermal nevus, verrucous epidermal nevus) Malignant acrospiroma (spiradenocarcinoma) Malignant mixed tumor (malignant chondroid syringoma) Malignant trichilemmal cyst ...
Punctate porokeratosis is a skin condition associated with either classic porokeratosis or linear porokeratosis types of porokeratosis, and is characterized by multiple, minute, and discrete punctate, hyperkeratotic, seed-like skin lesions surrounded by a thin, raised margin on the palms and soles. [1]: 535 [2]: 1668
Megabalanus californicus is a large acorn barnacle with a diameter of up to 30 mm (1.2 in). The steep-sided shell is formed of six plates finely striped vertically with reddish-purple and white. There are relatively wide, reddish radii between the plates where they fuse.
The geochemistry of barnacle shells provides clues as to where the barnacles have traveled. The barnacles attached to the already-recovered Malaysian Airlines Flight 370 debris offer up partial clues.
Keratoderma blennorrhagicum (from kerato- 'keratinized' derma- 'skin' blenno- 'mucous' and -rrhagia 'discharge'; also called keratoderma blennorrhagica) [1] are skin lesions commonly found on the palms and soles but which may spread to the scrotum, scalp and trunk. The lesions may resemble psoriasis. [2]: 195