Ostium
[os-tee-uh m] /ˈɒs ti əm/
noun, plural ostia
[os-tee-uh] /ˈɒs ti ə/ (Show IPA)
1.
Anatomy, Zoology. a small opening or orifice, as at the end of the oviduct.
2.
Zoology. one of the tiny holes in the body of a sponge.
/ˈɒstɪəm/
noun (biology) (pl) -tia (-tɪə)
1.
any of the pores in sponges through which water enters the body
2.
any of the openings in the heart of an arthropod through which blood enters
3.
any similar opening
ostium os·ti·um (ŏs’tē-əm)
n. pl. os·ti·a (-tē-ə)
A small opening or orifice, as in a body organ.
os’ti·al adj.
Read Also:
- Ostium abdominale tubae uterinae
ostium abdominale tubae uterinae ostium ab·dom·i·na·le tu·bae u·ter·i·nae (āb-dŏm’ə-nā’lē tōō’bē yōō’tə-rī’nē, tyōō’bē) n. The fimbriated or ovarian extremity of an oviduct.
- Ostium of uterus
ostium of uterus n. The opening of the uterus into the vagina.
- Ostium uterinum tubae
ostium uterinum tubae ostium u·ter·i·num tu·bae (yōō’tə-rī’nəm tōō’bē, tyōō’bē) n. The uterine opening of the oviduct.
- Ostler
[os-ler] /ˈɒs lər/ noun 1. . /ˈɒslə/ noun 1. (archaic) a stableman, esp one at an inn n. late 14c., phonetic spelling of hostler.
- Ostmark
[awst-mahrk, ost-] /ˈɔstˌmɑrk, ˈɒst-/ noun 1. (formerly) a cupronickel coin and monetary unit of East Germany: replaced by the Deutsche mark in 1990. /ˈɒstˌmɑːk; German ˈɔstmark/ noun 1. (formerly) the standard monetary unit of East Germany, divided into 100 pfennigs