An article by Dr Kenzaka in the ‘Images in medicine’ section of the Postgraduate Medical Journal reported that influenza follicles are noted in ATLAS SAKUMA. However, there is no reference to influenza follicles in Chapter VII: Influenza of ATLAS SAKUMA. It instead refers to lymph follicles, and their typical cases are presented in Chapter I: Adenovirus. Furthermore, in Case 11 of Chapter VII: ...

BACKGROUND Computer-assisted analyses were used to examine ultrasound image attributes of human dominant ovarian follicles that developed during natural and oral contraceptive (OC) cycles. We hypothesized that image attributes of natural cycle follicles would quantitatively differ from those in OC cycles and that OC cycle follicles would possess image attributes indicative of atresia. METHODS...

The objectives of the present study were to determine how varying frequency of LH pulses as controlled by varying treatments with progesterone (P4) in cattle would affect: (1) concentration of steroid hormones and activity of insulin-like growth factor binding proteins (IGFBPs) in the ovarian follicular fluid and blood plasma, and (2) duration of persistence of largest ovarian follicles. There ...

objective: ovarian and follicle transplantation may preserve fertility in young cancer survivors. in this study, we have transplanted preantral follicles using fibrin gel as a carrier and fibrin gel supplemented with platelet lysate (pl) as a rich source of angiogenic and growth factors. the purpose of this study was to evaluate the role of fibrin gel and pl in follicle transplantation. materia...

Recent measurements of circulating inhibin A and inhibin B concentrations indicate that inhibin B may play an important role in the selection of dominant follicles. The concentrations of inhibin A, inhibin B and activin A were measured in the follicular fluids of 61 individual follicles (4.8-20 mm in diameter) from 47 regularly cycling women using specific two-site enzyme-linked immunosorbent a...

Follicular growth over 2 mm in diameter is mainly regulated by gonadotrophins (FSH and LH). However, it is possible that between-follicle interactions may be involved in ensuring ovulation of a specific number of follicles. The present study tested specific hypotheses regarding: (1) a stimulatory role of atretic follicles on differentiation of follicles of the next wave; (2) a stimulatory role ...

BACKGROUND SERPINs (serine protease inhibitors) regulate proteases involving fibrinolysis, coagulation, inflammation, cell mobility, cellular differentiation and apoptosis. This study aimed to investigate differentially expressed genes of members of the SERPIN superfamily between healthy and atretic follicles using a combination of microarray and quantitative real-time PCR (QPCR) analysis. In a...

The fate of the follicular basal lamina during atresia was investigated using bovine follicles, in which different follicle phenotypes have been observed. These phenotypes include: healthy follicles with rounded basal granulosa cells with an aligned basal lamina or follicles with columnar basal granulosa cells with a basal lamina of many loops (loopy), and atretic follicles in which either the ...

1. Abstract 2. Introduction 3. Apoptosis during follicular development 3.1. Follicular development 3.2. Follicular atresia 4. Hormonal regulation of ovarian apotosis 4.1. Primordial follicles 4.2. Preantral follicles 4.3. Early antral follicles 4.4. Preovulatory follicles 4.5. Periovulatory follicles 5. Apoptosis in corpus luteum 6. Signal pathway of factors in regulating apoptosis in ovary 6.1...

The mammalian ovary is composed of ovarian follicles, each follicle consisting of a single oocyte surrounded by somatic granulosa cells, enclosed together within a basement membrane. A finite pool of follicles is laid down during embryonic development, when oocytes in meiotic arrest form a close association with flattened granulosa cells, forming primordial follicles. By or shortly after birth,...