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Specialized glands within the human integumentary system # Name Precursor gland derived from [3] Anatomic location 1 Ceruminous gland: Apocrine: Ear canal: 2 Mammary gland: Apocrine: Breast 3 Moll's gland: Apocrine: Eyelid margin 4 Tyson's gland: Sebaceous: Genital skin 5 Meibomian gland: Sebaceous: Tarsal plate: 6 Gland of Zeis: Sebaceous
In humans, skin pigmentation (affected by melanin) varies among populations, and skin type can range from dry to non-dry and from oily to non-oily. Such skin variety provides a rich and diverse habitat for the approximately one thousand species of bacteria from nineteen phyla which have been found on human skin.
Parts-per-million cube of relative abundance by mass of elements in an average adult human body down to 1 ppm. About 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium ...
In humans, sebaceous glands are found throughout all areas of the skin, except the palms of the hands and soles of the feet. [3] There are two types of sebaceous glands: those connected to hair follicles and those that exist independently. [4] Sebaceous glands are found in hair-covered areas, where they are connected to hair follicles.
The word skin originally only referred to dressed and tanned animal hide and the usual word for human skin was hide. Skin is a borrowing from Old Norse skinn "animal hide, fur", ultimately from the Proto-Indo-European root *sek-, meaning "to cut" (probably a reference to the fact that in those times animal hide was commonly cut off to be used as garment).
New research provides the first direct evidence that Australopithecus, an important early human ancestor that displayed a mix of ape-like and human-like traits, consumed very little or no meat ...
Cwmbran (/ k ʊ m ˈ b r ɑː n, k uː m-/ kuum-BRAHN, koom-; Welsh: Cwmbrân [kʊmˈbraːn], also in use as an alternative spelling in English) is a town in the county borough of Torfaen in South Wales.
An apocrine sweat gland (/ ˈ æ p ə k r ə n,-ˌ k r aɪ n,-ˌ k r iː n /; from Greek apo 'away' and krinein 'to separate') [5] [6] is composed of a coiled secretory portion located at the junction of the dermis and subcutaneous fat, from which a straight portion inserts and secretes into the infundibular portion of the hair follicle. [7]