dactylethraとは 意味・読み方・使い方

名詞

dactylethra (複数形 dactylethrae)

1. One of several hollow fingerlike projections found on some bryozoans, used to absorb nutrients.
   • 1920, Ferdinand Canu & Ray S. Bassler, North American Early Tertiary Bryozoa:

     Erkosonea differs from that genus in the presence of dactylethrae instead of tergospores.

   • 1941, James H. McGuirt, Louisiana Tertiary Bryozoa, page 105:

     The dorsal is hardly convex; it is formed by a thick layer of dactylethrae closed by a thin calcareous lamella. The dactylethrae appear on the frontal at the birfurcations.

   • 2020, Thomas Schwaha, Phylum Bryozoa:

     The heterozooids include mainly kenozooids or structures with comparable functions such as rhizoids, dactylethrae, tergozooecia (tergopores), cancelli (vacuolar zooecia), alveoli, firmatopores, nanozooids as well as eleozooids and their derivatives.

2. A finger sheath
   • 2014, D. Michaelides, Medicine and Healing in the Ancient Mediterranean, page 151:

     Instruments used in Stomatology: Bouglosson (tongue scraper または depressor), dactylethra (finger stall), lithanaboleus (parotid duct stone hauler), stomatodiastoleus (mouth opening instrument), sphenarion (wedge to keep mouth open),

   • 2016 February 17, “Influence of Landscape Diversity and Composition on the Parasitism of Cotton Bollworm Eggs in Maize”, in PLOS ONE‎^[1], DOI:10.1371/journal.pone.0149476:

     The egg gauze was carefully collected from the field after 48 h of exposure and maintained within 10 ml glass dactylethrae.