papilla of dermis

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papilla of dermis

[TA]
the superficial projections of the dermis (corium) that interdigitate with recesses in the overlying epidermis; they contain vascular loops and specialized nerve endings and are arranged in ridgelike lines best developed in the hand and foot.

pa·pil·la of der·mis

(pă-pil'ă dĕr'mis) [TA]
The superficial projections of the dermis (corium) that interdigitate with recesses in the overlying epidermis; they contain vascular loops and specialized nerve endings, and are arranged in ridgelike lines best developed in the hand and foot.
Synonym(s): dermal papillae.
References in periodicals archive ?
Dermal papillae were microdissected individually from isolated hair follicles, as previously described (Messenger, 1984).
5 mm in length from the bottom of dermal papillae and cultured in 24-well dishes for 10 days in Williams E medium (Gibco BRL, Gaithersburg, MD) containing 10 ng/ml hydrocortisone, 10 [micro]g/ml insulin, 2 mM L-glutamine, 100 [micro]g/ml streptomycin, and 100 U/ml penicillin at 37 [degrees]C in a 5% C[O.
Skin biopsies obtained from lesions reveal collections of neutrophils at the tips of dermal papillae, along with a separation of the dermal papillary tips from the overlying epidermis (Figure 3).
Connective structures composed of collagen known as dermal papillae that lie in the skin's dermis become smaller and weaker as collagen levels decline.
Topical vitamin C resulted in a significant increase of the density of dermal papillae from 4 weeks onward compared to its vehicle.