The vascular stiffening mechanism in t tongue of the echidna (Tachyglossus aculeatus).
D000818:Animals; D001808:Blood Vessels / Q000033:anatomy & histology; D014059:Tongue / Q000033:anatomy & histology* / Q000098:blood supply / Q000502:physiology; D004490:Xenarthra / Q000033:anatomy & histology*