Search results
Results from the WOW.Com Content Network
Endometritis is inflammation of the inner lining of the uterus (endometrium). [6] Symptoms may include fever , lower abdominal pain, and abnormal vaginal bleeding or discharge . [ 1 ] [ 4 ] It is the most common cause of infection after childbirth .
Bird vocalization includes both bird calls and bird songs. In non-technical use, bird songs are the bird sounds that are melodious to the human ear. In ornithology and birding , songs (relatively complex vocalizations) are distinguished by function from calls (relatively simple vocalizations).
Clinical endometritis is defined in cattle as the presence of a purulent uterine discharge detectable in the vagina 21 days or more postpartum. Simple grading systems for clinical disease are based on the character of the vaginal mucus and typical Grading schemes for clinical endometritis are widely used by veterinarians.
[25]: 506 More similar to the female mallard in North America are the American black duck (A. rubripes), which is notably darker-hued in both sexes than the mallard, [39] and the mottled duck (A. fulvigula), which is somewhat darker than the female mallard, and with slightly different bare-part colouration and no white edge on the speculum. [39]
The genus name Otis was introduced in 1758 by the Swedish naturalist Carl Linnaeus in the tenth edition of his Systema Naturae; [5] it came from the Greek name ὠτίς ōtis [6] used for this species [7] taken from Natural History by Pliny the Elder published around 77 AD which briefly mentions a bird like it, it was also given the name ωτιδος ōtidos and the Latin aves tardas [a ...
Located at the base of a bird's trachea, it produces sounds without the vocal folds of mammals. [1] The sound is produced by vibrations of some or all of the membrana tympaniformis (the walls of the syrinx) and the pessulus, caused by air flowing through the syrinx. This sets up a self-oscillating system that modulates the airflow creating the ...
Approximately one in fourteen untreated Chlamydia infections will result in salpingitis. [5]Over one million cases of acute salpingitis are reported every year in the US, but the number of incidents is probably larger, due to incomplete and untimely reporting methods and that many cases are reported first when the illness has gone so far that it has developed chronic complications.
The mottled duck (Anas fulvigula) [note 1] or mottled mallard is a medium-sized species of dabbling duck. It is intermediate in appearance between the female mallard and the American black duck . It is closely related to those species , and is sometimes erroneously considered a subspecies of the former.