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Related to atresic: atresia, antiemetic, atretic


 (ə-trē′zhə, -zhē-ə)
1. The absence or closure of a normal body orifice or tubular passage such as the anus, intestine, or external ear canal.
2. The degeneration and resorption of one or more ovarian follicles before a state of maturity has been reached.

[New Latin atrēsia : Greek a-, not, without; see a-1 + Greek trēsis, perforation, orifice; see terə- in Indo-European roots.]

a·tre·sic (-zĭk, -sĭk) adj.


(əˈtriːzɪk) or


marked by atresia
References in periodicals archive ?
For the purposes of this study, only the oocyte types were quantified using stereological counts: atresic oocytes (AO), immature healthy oocytes (IO), and mature healthy oocytes (MO) (Beninger 1987, Beninger et al.
For patients with calyceal diverticular calculi, the atresic diverticulum mucosa was incised by a holmium laser under monitoring of dynamic B ultrasonic scanning (Fig.
Oocytes of primordial follicle proceeded with atrophy or degeneration, and atresic follicles were observed at high magnification in 3.
In this classification, the hemivagina is completely obstructed; the cervix behind the septum is maldeveloped or atresic, and menses from the uterus behind the septum cannot outflow through the atresic cervix.
The most important point, however, was that the majority of follicles showed atresic characteristics, mostly in GCs.
The proportion of atresic oocytes was greater in treated females, with a maximum value reached 8 days after treatment (83.