|
Definition of Retinaculum
1. n. A connecting band; a frænum; as, the retinacula of the ileocæcal and ileocolic valves.
Definition of Retinaculum
1. Noun. (anatomy) A connecting band. ¹
2. Noun. (anatomy) One of the annular ligaments which hold the tendons close to the bones at the larger joints, as at the wrist and ankle. ¹
3. Noun. (zoology) One of the retractor muscles of the proboscis of certain worms. ¹
4. Noun. (zoology) A loop on the underside of the forewing of some moths. ¹
5. Noun. (botany) A small gland or process to which bodies are attached; as, the glandular retinacula to which the pollinia of orchids are attached, or the hooks which support the seeds in many acanthaceous plants. ¹
¹ Source: wiktionary.com
Definition of Retinaculum
1. [n -LA]
Medical Definition of Retinaculum
1. A hook-like structure to which another structure is tethered, in orchids and members of the family Asclepiadaceae, the structure to which pollen masses are attached, in Acanthaceae, the persistent stalk of an ovule. (09 Oct 1997)
Lexicographical Neighbors of Retinaculum
Literary usage of Retinaculum
Below you will find example usage of this term as found in modern and/or classical literature:
1. A Natural History of the British Lepidoptera: A Text-book for Students and by James William Tutt (1900)
"The retinaculum also is usually feebly developed. The apterous and ill-developed
character of the females of almost all the British ..."
2. The Cambridge Natural History by Arthur Everett Shipley, Sidney Frederic Harmer (1899)
"Also in the large majority of moths the retinaculum descends from the costal
nervure in the male, while in the female it ascends from the median nervure. ..."
3. A Natural History of the British Lepidoptera: A Text-book for Students and by James William Tutt (1902)
"J . The spina is very dark in colour, smooth und highly polished. The retinaculum
is rather broad and flat and thickly scaled. ? . With a compact bunch of ..."
4. The Florist and Pomologist: A Pictorial Monthly Magazine of Flowers, Fruits by Robert Hogg (1868)
"This appendage, by means of its curved neck, bends downwards towards the lower
surface of the column, where it rests upon an organ called the retinaculum ..."
5. A Contribution to Our Knowledge of Seedlings by John Lubbock (1892)
"... and having an oblique impression on one side near the apex caused by the
attachment of the retinaculum, equal in length and breadth to the seed, ..."