NCIT:C12404

BTO:0000975

GAID:367

XAO:0000258

EHDAA2:0001360

FBbt:00004865

EFO:0000973

TAO:0000403

CALOHA:TS-0730

EHDAA:8124

EV:0100111

BSA:0000080

EMAPA:17962

VHOG:0000251

MIAA:0000125

MESH:D010053

UMLS:C0029939

BILA:0000125

SCTID:181464007

Wikipedia:Ovary

ZFA:0000403

FMA:7209

AAO:0000371

MA:0000384

The gonad of a female organism which contains germ cells.

UBERON:0000992

animal ovary

female organism genitalia gonad

reproductive system of female organism gonada

reproductive system of female organism gonad

gonad of female organism reproductive system

genitalia of female organism gonada

gonad of female reproductive system

female reproductive system gonada

gonada of genitalia of female organism

gonada of female organism reproductive system

gonad of female organism genitalia

gonad of genitalia of female organism

gonada of reproductive system of female organism

female reproductive system gonad

gonada of female reproductive system

female gonad

female organism reproductive system gonad

genitalia of female organism gonad

female organism reproductive system gonada

ovum-producing ovary

gonad of reproductive system of female organism

female organism genitalia gonada

gonada of female organism genitalia

uberon

Female reproductive organ.[TAO]

Either of paired female reproductive organs involved in production of ova and female sex hormones.[AAO]

ovaries

ovarium

UBERON:0000992

(...) while it is likely that Urbilateria lacked a complex somatic reproductive system, it is at present impossible to speculate on whether or not it possessed a true gonad, let alone any other somatic adaptations for reproduction (reference 1); Examination of different vertebrate species shows that the adult gonad is remarkably similar in its morphology across different phylogenetic classes. Surprisingly, however, the cellular and molecular programs employed to create similar organs are not evolutionarily conserved (reference 2).[uncertain][VHOG]

ovarian

ovary

Ovaries of some kind are found in the female reproductive system of many animals that employ sexual reproduction, including invertebrates. However, they develop in a very different way in most invertebrates than they do in vertebrates, and are not truly homologous. Many of the features found in human ovaries are common to all vertebrates, including the presence of follicular cells, tunica albuginea, and so on. However, many species produce a far greater number of eggs during their lifetime than do humans, so that, in fish and amphibians, there may be hundreds, or even millions of fertile eggs present in the ovary at any given time. In these species, fresh eggs may be developing from the germinal epithelium throughout life. Corpora lutea are found only in mammals, and in some elasmobranch fish; in other species, the remnants of the follicle are quickly resorbed by the ovary. In birds, reptiles, and monotremes, the egg is relatively large, filling the follicle, and distorting the shape of the ovary at maturity. Amphibians and reptiles have no ovarian medulla; the central part of the ovary is a hollow, lymph-filled space. The ovary of teleosts is also often hollow, but in this case, the eggs are shed into the cavity, which opens into the oviduct. Although most normal female vertebrates have two ovaries, this is not the case in all species. In birds and platypuses, the right ovary never matures, so that only the left is functional. In some elasmobranchs, the reverse is true, with only the right ovary fully developing. In the primitive jawless fish, and some teleosts, there is only one ovary, formed by the fusion of the paired organs in the embryo