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Did you mean Secondary Hair Follicles?

GlossarySecondary Hair Follicles

smaller hair-producing structures that develop alongside primary follicles

Secondary hair follicles are smaller hair-producing structures that develop alongside primary hair follicles, typically in mammals with dense fur or wool. They produce finer, shorter hairs that contribute to the overall thickness and insulation properties of the animal's coat. These follicles are crucial for maintaining the density and texture of the fur, especially in species adapted to cold environments.

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research The detection of apoptosis and bcl₂ in isolated secondary mohair follicles (growing and quiescent), cultured in vitro in the presence or absence of biotin

1 citations , January 1999 in “Proceedings of the British Society of Animal Science”

Biotin helps maintain hair follicle growth by affecting cell death and survival signals.

research In vitroFibre production and protein deposition in secondary hair follicles of the cashmere and angora goat

March 1994 in “Proceedings of the British Society of Animal Production”

Angora goats produce more hair faster than Cashmere goats.

research Seasonal Gene Expression Profile Responsible For Hair Follicle Development In Angora Goats

2 citations , March 2022 in “Research Square (Research Square)”

Seasonal changes affect gene activity linked to hair growth in Angora goats, influencing mohair quality.

research Comparison of the response of secondary hair follicles of cashmere and angora goats to prolactin and melatonin in vitro

1 citations , March 1994 in “Proceedings of the British Society of Animal Production”

Prolactin and melatonin affect the growth of Angora and Cashmere goat hair differently.

Seasonal Variation in Hair Follicle Activity and Fiber Growth of Both Male and Female Merghoz Goats in Western Iran

research Seasonal variation in hair follicle activity and fibre growth of both male and female Merghoz goats in Western Iran

5 citations , October 2011 in “Small ruminant research”

Goat hair growth and follicle activity change with the seasons and differ between males and females.

In Vitro Methodology, Hormonal and Nutritional Effects, and Fiber Production in Isolated Ovine and Caprine Anagen Hair Follicles

research In vitro methodology, hormonal and nutritional effects and fibre production in isolated ovine and caprine anagen hair follicles

7 citations , January 2010 in “Animal”

Angora goat hair grows faster and produces more protein than cashmere goat hair, and certain hormones and nutrients positively affect hair growth and protein synthesis.

Effects of Photoperiod on Nutrient Digestibility, Hair Follicle Activity, and Cashmere Quality in Inner Mongolia White Cashmere Goats

research Effects of photoperiod on nutrient digestibility, hair follicle activity and cashmere quality in Inner Mongolia white cashmere goats

11 citations , August 2018 in “Asian-Australasian journal of animal sciences”

Short daily photoperiods improve cashmere production in Inner Mongolia white cashmere goats.

research Growth and viability of Liaoning Cashmere goat hair follicles during the annual hair follicle cycle

10 citations , January 2014 in “Genetics and Molecular Research”

Liaoning Cashmere goat hair follicles show synchronized growth patterns with lowest activity in May.

research Seasonal Gene Expression Profile Responsible for Hair Follicle Development in Angora goats

November 2022 in “Research Square (Research Square)”

Seasonal changes affect hair growth genes in Angora goats, possibly influencing mohair quality.

Hair Follicle Characteristics and Fiber Production in South American Camelids

research Hair follicle characteristics and fibre production in South American camelids

27 citations , January 2010 in “Animal”

South American camelids should be sheared early, fleece type affects fiber quality, and the S/P follicle ratio doesn't distinguish between Bolivian llama genotypes.

research Effect of biotin on growth, viability and apparent DNA synthesis in cultured secondary hair follicles of the Angora goat

January 1998 in “Proceedings of the British Society of Animal Science”

Biotin supports cell growth and DNA synthesis in Angora goat hair follicles.

research Effect of biotin on growth, viability and apparent DNA synthesis in cultured secondary hair follicles of the Angora goat

January 1998 in “Proceedings of the British Society of Animal Science”

Biotin supports cell growth and DNA synthesis in Angora goat hair follicles.

research Variation in the caprine keratin-associated protein 15-1 (KAP15-1) gene affects cashmere fibre diameter

30 citations , March 2019 in “Archives animal breeding/Archiv für Tierzucht”

The KRTAP15-1 gene affects cashmere fiber thickness in goats.

research Seasonal Gene Expression Profile Responsible for Hair Follicle Development in Angora Goats

January 2023 in “Kafkas üniversitesi veteriner fakültesi dergisi/Kafkas üniversitesi veteriner fakültesi dergisi”

Seasonal changes affect gene activity linked to hair growth in Angora goats.

research Investigating RNA-Seq-based differential gene expression during hair follicle development in Angora goat skin

August 2024 in “Journal of Animal Science and Technology”

Angora goat hair growth is influenced by gene expression, sex hormones, and breed differences.

research Investigation of the role of biotin in the regulation of wool growth in sheep hair follicle cultured in vitro

January 2007

Biotin boosts wool growth and follicle health in sheep.

research Anagen hair follicles transplanted into mature human scars remodel fibrotic tissue

6 citations , January 2023 in “npj regenerative medicine”

Transplanting growing hair follicles into scars can help regenerate and improve scar tissue.

research Melatonin and the hair follicle

109 citations , October 2007 in “Journal of pineal research”

Melatonin helps regulate hair growth and protects the hair follicle from stress.

research Effects of the selective TrkA agonist gambogic amide on pigmentation and growth of human hair follicles in vitro

6 citations , August 2019 in “PLOS ONE”

Gambogic Amide helps maintain hair color and promotes hair growth.

research Animal fibre: connecting science and production

4 citations , January 2010 in “Animal”

Improving knowledge and practices in animal fibre production is crucial to meet market demands and potentially revive natural fibres.

research Expression of nerve growth factor in skin tissues and its effect on the proliferation of outer root sheath cells in cashmere goats

1 citations , July 2016 in “Livestock science”

Nerve growth factor helps cashmere goat hair cells grow and is more active during the hair growth phase.

research Molecular Mechanisms Affecting Development of Animal Fibers and Some Studies on Goats

June 2023 in “Livestock studies”

The article concludes that understanding the molecular processes in hair follicle development can improve the quality of fibers like Angora and cashmere.

research A Microarray-Based Analysis Reveals that a Short Photoperiod Promotes Hair Growth in the Arbas Cashmere Goat

40 citations , January 2016 in “PLoS ONE”

Shorter daylight increases hair growth in Cashmere goats.

Effects of Different Dietary Protein Levels and DL-Methionine Supplementation on Hair Growth and Pelt Quality in Mink (Neovison Vison)

research Effects of different dietary protein levels and DL‐methionine supplementation on hair growth and pelt quality in mink (Neovision vision)

11 citations , September 2012 in “Journal of animal physiology and animal nutrition”

Higher protein diets with DL-methionine improve mink hair growth and fur quality.

research Hair today, gone tomorrow: the degradation and conservation of archaeological hair fibers

May 2009

Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.

research Roles of Melatonin in Goat Hair Follicle Stem Cell Proliferation and Pluripotency Through Regulating the Wnt Signaling Pathway

11 citations , June 2021 in “Frontiers in Cell and Developmental Biology”

Melatonin helps goat hair stem cells grow and maintain their ability to become different cell types.

research Integration Analysis of Hair Follicle Transcriptome and Proteome Reveals the Mechanisms Regulating Wool Fiber Diameter in Angora Rabbits

March 2024 in “International journal of molecular sciences”

The research identified key proteins that affect wool fiber thickness in Angora rabbits.

research Fundamental hair follicle biology and fine fibre production in animals

170 citations , January 2010 in “animal”

Hair follicle growth and fiber production in animals are influenced by chemical signals, proteins, pigmentation, genetics, and nutrients.

Responses to Dietary Supplementation With Field Bean in Production Indices, Mohair Growth and Hormonal Parameters in Transition Angora Goats

research Responses to dietary supplementation with field bean (Vicia faba var. minor) in production indices, mohair growth and hormonal parameters in transition Angora goats

August 2022 in “Italian Journal of Animal Science/Italian journal of animal science”

Field bean supplementation improved mohair growth and kid growth in Angora goats but didn't prevent weight loss after giving birth.

research Multi-omics and AI-driven advances in miRNA-mediated hair follicle regulation in cashmere goats

2 citations , July 2025 in “Frontiers in Veterinary Science”

MicroRNAs and AI can improve cashmere goat hair quality and aid in hair disorder diagnosis.