oil gland
41oil seal — noun : a device (as a gland with packing) for preventing the escape or entrance of oil * * * oil seal, a device packed with material impermeable by oil, used to prevent leakage of oil, as in a machine …
42preen gland — noun oil secreting gland situated at the base of the tail in most birds • Syn: ↑uropygial gland • Hypernyms: ↑oil gland • Part Holonyms: ↑bird * * * noun Etymology: pre …
43preen gland — ▪ bird anatomy also called Uropygial, or Oil, Gland, in birds, an organ located on the back near the base of the tail. Paired or in two united halves, it is found in most birds. Absent in ostrich, emu, cassowary, bustard, frogmouth, and… …
44exocrine gland — noun a gland that secretes externally through a duct • Syn: ↑exocrine, ↑duct gland • Hypernyms: ↑gland, ↑secretory organ, ↑secretor, ↑secreter • Hyponyms …
45duct gland — noun a gland that secretes externally through a duct • Syn: ↑exocrine gland, ↑exocrine • Hypernyms: ↑gland, ↑secretory organ, ↑secretor, ↑secreter • Hyponyms …
46uropygial gland — noun oil secreting gland situated at the base of the tail in most birds • Syn: ↑preen gland • Hypernyms: ↑oil gland • Part Holonyms: ↑bird …
47sebaceous gland — noun a cutaneous gland that secretes sebum (usually into a hair follicle) for lubricating hair and skin • Syn: ↑sebaceous follicle, ↑glandulae sebaceae • Hypernyms: ↑oil gland • Hyponyms: ↑Meibomian gland, ↑tarsal gland, ↑ …
48uropygial gland — Ornith. a gland opening on the back at the base of the tail in most birds that secretes an oily fluid used by the bird in preening its feathers. Also called oil gland, preen gland. [1865 70] * * * …
49uropygial gland — noun Date: 1870 a large gland that occurs in most birds, opens dorsally at the base of the tail feathers, and usually secretes an oily fluid which the bird uses in preening its feathers called also oil gland …
50coccygeal gland — noun 1. also coccygeal body : a small mass of vascular tissue situated near the tip of the coccyx 2. : the oil gland near the base of the tail of a bird …
