CINXE.COM
Just a moment...
<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "journals.biologists.com",cType: 'managed',cRay: '8ead06168ef99cbc',cH: 'ALA7DXtTjLj7gT4EQL3yxZKeB3CUanNuEUW5baXVdLw-1732992633-1.2.1.1-3ZQ2wH.mm_1zY7lqoOFzV6LmL8F2vlt8fkYMOK.3NjElwr1x1tEGS1NufyG5urnX',cUPMDTk: "\/jcs\/article\/115\/14\/2817\/26765\/Elastic-fibres?__cf_chl_tk=neGtN8vJtHDJ0AuSiZ_ZxfmQSbSWKD8r52dG2FmxaOg-1732992633-1.0.1.1-Zheqdy2t8pUBd.D9GrrYTGc.5DzbaRHdFKENEMgWoEU",cFPWv: 'b',cITimeS: '1732992633',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/jcs\/article\/115\/14\/2817\/26765\/Elastic-fibres?__cf_chl_f_tk=neGtN8vJtHDJ0AuSiZ_ZxfmQSbSWKD8r52dG2FmxaOg-1732992633-1.0.1.1-Zheqdy2t8pUBd.D9GrrYTGc.5DzbaRHdFKENEMgWoEU",md: "KGpJmCSwzIMpIVo2w7M9Us8RjGdEVZLUxNT9KdVBnfA-1732992633-1.2.1.1-3qc..xH1DdyeQZ_J.ladIJgiH9wTcHvclDF4bvYwIzixCoGSGS_28ml9sfZ6mVUtD07d6gz2yTicbQJsPixlYzuqQJv5sA5eXwVjBgvC_JJ5D8srrXW3CRQnvjr3i_X8ocXB2zyrN5OSuCzIYQxcs9TO8fQpwRut0N1LBUoKSf8BpdiglW4kH4SQ_0Vj3Jk9HBp87WYtzwjkii0NimM2T80IBVXdqrHxoIku92W8g5UccpK3_scfYB6gq.nWblVgxApgwoidpfeQdJGJGs0nusCccze9GqWcX8BvToW21K4f43FNyZFw.DiWEvo5kHJ56W3OIYiGYIebKajS43MXZ9CPxzProLlawHfG9pYPhuLwZ3JUaZ6UXp1mwr94qbWGcWbAZwuhedLNOVKT93WcN8Zro0lfxtR7GeC8bigcRohBGx2d5LQSdvgr.m7pSEzjDOXIy87Oytc6y07BddeuTtD3Xo2_G1gaRioTcnXlamwf5w11Wc.tlckLgXw0mlg9.ByeTwlRwIvq.VBb6e3ivEt98BCKIX0Vg7xv.vFvZ_spUlHWDgN98bQcmZXqn1i0Jl5F0SgA77oKIVhPvQTmYWskEuF6efwX.0wDuHk1VDMDlUpKtWiXx5XjjyB6Mnfi_OlZdyy7MmkV0ZXmXk49w0PcAYh4GISburzd5GMbNUI6Kf45fxoZAZ8DD1OR1hcVEofrpHw7wQR5VYjIPn0DvNulEpJ7Nm_N9njkBAh9vDI.tDCbMU57b5KeU49BWolcLl0m1NPKO8uisVqKnenlMA0FnMiAVgcAu_rTdbdZeqNidyVl1wJrGKqFsmlvY9camUDd8zjkTjMe9F.hwSf6jeQJNJWRs4LgZrbV6MbMbiNUGYDXq7EdjLFsejk686SEH7MYMq9RVXJSO4FhReWkoT3shZDWVsvo.EdvTmayv.4QSYh34EqurcnxHRq5c4oR0zYIA5cGhK9SD5mhEwSkSpGOW.7xoK.d6ep56sGTlQmwtsRlW7AUAMTK26b5wmB8mB1VJ.dfr4ee3o6S7zXevWgoWKSKcSggBZ3iwOzMn6JoywXe9brlFMY65FPpiaaU.CMvongmiTPYpCxfZDezBcCZiGyJBX46IadujU9VRsp2iqlfHJwhOYnzTfrag_6HerhtKqx0oorZzJq97LZqTQT5cJYHGR68LjbMdvaIg2QJO.yNPfT1GLZ1txG2Ud6P6l_Jb516oW22lYWmlohCr97iemeKf9_ftfpUbHX62dqFmrN0RlidnMU3OfXElkYtLRzx6fzjskGg5BSw_elecN0C1IL7veHSu6CWoIDYtwRk8a8d7616gDtXvaAU.HPB0n6zM6UPONpkGSEVEckYbrX34Z_ljSAztGK3oGTWABvbRrs.Nk2XGOb_fqrzg8kvm9xbe_Pakp3ZIuajYWgsLW3LFB2BZQRRSCcZdF2PJtdd8kCqlRAP2STpVnJAyDCErmXnIlNUQLu7F9TZGeTIKrFMBBJ9q6OJ.W8vt.nautihA2gHx2wPeu04yMIwU8H5ZWxrUsTHr1vELuDs6YBty0wnKApq9FOR_lunSQpK6OftIA7f2Li680gWsr_G6SOCRweLLWSyQMOgwNsYmD0H48881qggoswW_QLplgcMdYo.993iIV5gZOTQXqL5mw56_0.8cZVvDE7jy5cS3dzY4UV2pYQEPP6RqSGBoHEU92FMC10A6EANUmMev8.GNbLlmfHIHeTsbb4Ljr6rXOB67JQ3kzIOwpKZJHMBNVvQaFVS5A_YIZc1BcO5UBFHEE6w3_uH6E3AfacA0IVTmHlaXuSHABx7iKi2ecxCnM_x0RIlM9y8nQkyuFvyuLeCYK8XOcdKP.Ba1iuCY1yMXhE4XJDRj5OuJmDkl_OD2N9.qUV6rnlzAXMKpHrA2tZPwHyMBbUmAkL5WrjarHRMq_20TKqU7pyMgQY58E5NJNj6GScW3BaIU6XlanXtRyS4OcdLyGt1NxefaxbT_H1kI5RyK2fMLyS17sh2ursOooUrzDPt3a9bq3tdh6uBedrAuQAejK9l8eEoIhO_uMLd0WoSu3QGKHpEpmvlvBeK036yGPc_8xjUvlbnpy4nJEBbi002WDZONaL3FkSUyL2hVYYuCd0U7emlks_zR1o9kr115veipDTOT60iThnlLcTzltI4pgMdel_ecwTH2em7al5zYHE5TV8Hcus_3fA3yjTJR0aQJ7unHPjyHTsLUSI5hg51y4uv9_LQjqYYwPO2FGytuiCxYE992ofE3dAZRYpyNU7GoXmwcyfNMuUAztfrTq5PPVhc9Zgw4gTezmrVYZy9LOrEC4CJ_8oXsAhbSMQyJ9SEwQ4Prf9e6YSB67HOVeupWB1GF_yyZ42r4j4k805J3KY6TZ_dDz.Fb3HRnSIZftgJ2fuLOsGFLOTtFeAI_CmBxiqnaVTErrP7y12BEiSq_mgjuGYGev8qfB7ggSxT5OSpJVx39bLRWwpvmQnklgD8r7nk3g3HLJ.lSptUbnfU2lC2zuK_Ys9jGHLIlOrcFpTUe0zwX3nY14e4bSJk0UhpCFFJqxdOf4tTOoCqGaZUuluHDzRCndXl9vyI8q7vlDxwEdu5zm4VT_QsgMarIvilYgh4Il04K79_nsv_VEMj_QUhrJm2GC2Prco2Dnbp4HRcsEPmmvfSfbMyvNS0aFkx2VeXT0NQ0cK12pFVA.0NxQF7q8UEOMVLyTcntEkBkE3QvLGgjaUKzNBO9mmEsOPD1ahpVl1Bty8umpHL72YcgOY8dkbdfFBmP1I2JhNvRcJoLkqd48Ex9pvyaAJIA8keEjjE.tpNs8VzGPcYFHsCATAv9w9tW9DVEsdykZ2c0QcHRz7HF8HjqZYsyjb3WBwHydZ_NXWfkKa1Jpycosb07mY9GKU0ISfHXjR2i5urxN4bfc8RxC1xnV9YfGGMReTevHWKKiIaKgRlgdIczGnmLiJHHw.FYM69edzP68MtDb_XoTiBqwZlCbiv59YJP5oEYmdhr2cxhH1tfwc6N4CtMRtUhvaYVJiaFBotMFkVr9Q",mdrd: "7G5XKHuyCK4KctKf3LklVPN5H5G8afNH6XMDwhcXa4A-1732992633-1.2.1.1-AY6hhGjiBFcTkPIcYs2nX4a_QGzzR6p0yGQaRgVz52agYKoiC2LtWc7tCSSGq5293HH0vdY9Y65eAoRUepWe_iWECrvzra0SBR2OIhyR2datnqOxs6_OeSMJxJ2bMy8tET02HcxF8hh9ZcwZ91hfWqPItwpC92bhEmEDtAOIo95y2lMReoEUmhJem_u1IeEHq9rkM8M.HmCKHfQxnZKmBUAL30mdfR0M3YvMM04m4pMeih7VFuo_BSxIL9V.UCglmIvNEOR2etxnRc0ccPQlxvO77YGuVsugwYq_o0oHmaRChwabLKbrwI_VLPmOCSuabi3pc5NrzXTRdqxQgHoRhr99Exa.VW4XuM9vwb0sqHAZFxIg2C.5o82KpRLOq2t01PxjzWga2JX51MlP0lh.ZC_ki_4B9jPKoiboqe4ukET9SCzLvCRaiUOmkl.EGsvyd1roinEkr2CcQBat0xsx_mt4OVUKGdYEQfkm3KMmJQh_5T3RbR9ztJyC0QFmQwZl.JUGYAC8DMV2htWVZNRGiYa24T5SR2DV..mrkRpBwOGmI6YxWMXG29drwa_Mv0BBeZavXNwGV6saYVZgrurUZQFNxL4uWttOMeQwdVcXHHSLxz1X4QXz4SZAGzSAQrC5bIvUIydan6bwtT7N7zZ1YpJHP5.nDJwOVzUWoT9miSYPWNkPsEYxRVOOX3HbLdR6YcH0EPUiMdP0LEx4bzEJ8siWN.lu6HJRR45qhaK6KPlgV58SNeMIkye6SngnxIGzUNrgE372Y73xdEiaBftnmmsqtFd6ykLnhPCRA8a.Y3PdrHf._7Tu2IPjgaya24lL2f9Lm0gSRyGdfWF0N._NMofCFMttrO8NAwyPeJFHnZWHtB4rxj1ZebUqL8.L.UMhmsl.4UQtmssvrst9uEa46bOuCpXKne3TqOwf0FC20MlAvVgEOKi30fWgyysghw8AHB8HG3KBnkb.nvInslPAg5EmhzyQRJRcbVnnBI5yrtmqLphdBeG2qooLyVPt83NNMz2guHGl7eT7YuKoRTxQ0IVA9NW.hHVA4uT7AlkH3kGS5oP3aNiwMGr0BcxTgXrKvAwM6.K3baxzN283bVMkA4iEPYtleqp7DnqH_oJtLrBIIQydMHZC6XhH38hXPp8bsjgBQxJ9D7bJF1xJbruAsHQEZArWTf4NPa955y7x0k1RbnWkdM9UtEaaKAGlT3EstdSaJcGzw04EaEjWeWNkcBRjZsbaNyHE9JTvkjrE6U67wvhRICkxKDrjbb7iZAf4cXEyMsS5HFhYJaMTHScUZVQCK9cIYvHEtksPa3I1w0tdkWkpqd6NDl2u9Wv5ld3Z1oLi7xtjV7g0g64kKe.eaJ7oFrrFgPRuU81EDiHFXl1gWFEI9gU5l.e2A6YYxKbfJuVgKQdFU4m__7fn70uZ3mlitAJOCEUYW9c_nOky8oqC6H_lo.4GplsrKnFNihHawqyo1xmHdJH5uUKj7OoShO2gt29_MuCPkkvCbL387feo0nU0mU7i.JI3vGgKV0tTsq03AWxlOluZnZf1McIIx8YojHA8ZI5xURF3ni3QWSQtytFFV3_7vF36vZ9Udng_jtKGijfFBMN5uKF.HVi5ISU9ee7mNATqXQyXbm05q3ntb8GEnfZA4bd6EGBfDPGEnhiQ0N.4zjYLb.B8D_MThKtpEKX9n5GpDP9oLCxDcgnfVne_SwjYm5E0Q1jT3dinhXBSyW8H.OBW2N.qG3etTBhMpVr7oQFPCo6V4igvbvdzu4uw6vDGqpwhVAzNouGokJai4ja8IHeMOpyD7k2s4k9HyxkFdpJzARcGKeDRBxKdo4OHIiVdq2l0oOxJK2dqV9bf.cbzBrtMKNqrbhLV4JejqmZ6.J3LwkYWPC4sM61jm0U6u_1OYl0EGzSzsi4HP6Ig65fwyZYlEqJHrro4uMAUw0jvjOI439SA_3BDkSquXoGDsW__5zcUrEgw3ug8sdbwos4VaHdgXKV85D90Xg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=8ead06168ef99cbc';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/jcs\/article\/115\/14\/2817\/26765\/Elastic-fibres?__cf_chl_rt_tk=neGtN8vJtHDJ0AuSiZ_ZxfmQSbSWKD8r52dG2FmxaOg-1732992633-1.0.1.1-Zheqdy2t8pUBd.D9GrrYTGc.5DzbaRHdFKENEMgWoEU" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>