Cutaneous comparative biology

Montagna, William

doi:10.1001/archderm.104.6.577

Cited by 20 publications

(14 citation statements)

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“…Very pure water has a surface tension of about 72 dynes/ cm, which declines to about 30±50 dynes/cm if a ®nger is inserted into the water (Bangham AD, Personal communication). Though any contaminant might cause this, it may be noted that the surface tension plunges if the ®nger is ®rst inserted in the ear and that cerumen is only`stale dammed sebum' 11 . It would seem that there is some secretion on the skin that ful®ls a surfactant role and discourages drop formation.…”

Section: The Hypothesesmentioning

confidence: 99%

Why do we have Apocrine and Sebaceous Glands?

Porter¹

2001

J R Soc Med

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Section: The Hypothesesmentioning

confidence: 99%

Why do we have Apocrine and Sebaceous Glands?

Porter¹

2001

J R Soc Med

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“…Variation in the histology of the skin (e.g. sweat glands) has also been described 12 . The presence of sexual skin also varies with some genera ( Cercocebus , Macaca , Papio , Theropithecus , Miopithecus and Mandrillus ) having perianal engorgement and oestrous‐dependent reddening of skin.…”

Section: Introductionmentioning

confidence: 99%

Nonhuman primate dermatology: a literature review

Bernstein¹,

Didier

2009

Veterinary Dermatology

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In general, veterinary dermatologists do not have extensive clinical experience of nonhuman primate (NHP) dermatoses. The bulk of the published literature does not provide an organized evidence-based approach to the NHP dermatologic case. The veterinary dermatologist is left to extract information from both human and veterinary dermatology, an approach that can be problematic as it forces the clinician to make diagnostic and therapeutic decisions based on two very disparate bodies of literature. A more cohesive approach to NHP dermatology – without relying on assumptions that NHP pathology most commonly behaves similarly to other veterinary and human disease – is required. This review of the dermatology of NHP species includes discussions of primary dermatoses, as well as diseases where dermatologic signs represent a significant secondary component, provides a first step towards encouraging the veterinary community to study and report the dermatologic diseases of nonhuman primates.

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“…Montagna [1971], working on primate skin, gave the basis of variations that may occur in dermal pigmentation in animals. He stated that some animals including ungulates with very active epidermal melanocytes have no active melanocytes in the dermis, but that animals with a sparsely pigmented or nonpigmented epidermis may possess a dermis that is often heavily pigmented.…”

Section: Discussionmentioning

confidence: 99%

Melanin and dopa-positive cells in the skin of tropical cattle

Amakiri¹

1979

Cells Tissues Organs

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Various histochemical and histological techniques were used to study the melanin and dopa-positive cell.distribution in the skin of some tropical and temperate breeds of cattle in Nigeria. Melanin pigments were concentrated in the basal and lower spinous layers of the epidermis and in the hair cortex, follicle sheaths and papillae of the various breeds. In the White Fulani and N’Dama breeds, melanin pigments were however found in all layers of the epidermis. Dopa-positive cells (melanocytes) were observed in the epidermis, dermis and hair follicles; the distribution pattern varied among breeds, being copiously disposed in the basal epidermis and papillary dermis in the White Fulani and Muturu and, except in areas of thick epidermal ridges, scanty in the epidermis and dermis of the Friesian and N’Dama. Mast cell distribution pattern in the various breeds was similar to that of the dopa-positive cells. Peroxidase-positive cells were present in the basal epidermis and upper dermis of the Muturu, widespread in the subepidermal layer of the N’Dama and very scanty in the dermis of the White Fulani and Friesian. Acid phosphatase activity was intense in the granular layer of the Muturu and N’Dama breeds and also in the papillary dermis and hair follicles, whereas alkaline phosphatase-positive dendritic cells, and ‘clear’ cells were also observed in the basal and upper epidermis.

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Cutaneous comparative biology

Cited by 20 publications

References 0 publications

Why do we have Apocrine and Sebaceous Glands?

Why do we have Apocrine and Sebaceous Glands?

Nonhuman primate dermatology: a literature review

Melanin and dopa-positive cells in the skin of tropical cattle

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