- 関
- theca externa、theca interna
WordNet
- small room in which a monk or nun lives (同)cubicle
- a device that delivers an electric current as the result of a chemical reaction (同)electric cell
- a room where a prisoner is kept (同)jail cell, prison cell
- (biology) the basic structural and functional unit of all organisms; they may exist as independent units of life (as in monads) or may form colonies or tissues as in higher plants and animals
- any small compartment; "the cells of a honeycomb"
- a small unit serving as part of or as the nucleus of a larger political movement (同)cadre
- a case or sheath especially a pollen sac or moss capsule (同)sac
- outer sheath of the pupa of certain insects
PrepTutorEJDIC
- (刑務所の)『独房』;(修道院の)小さい独居室 / (ミツバチの)みつ房,巣穴 / 小さい部屋 / 『細胞』 / 電池 / 花粉室 / (共産党などの)細胞
- 《前述の名詞または文脈でそれと分かる名詞に付けて》『その』,あの,名の / 《唯一の事物に付けて》 / 《方角・自然現象に付けて》 / 《用具・楽器・特定の病気などに付けて》 / 《修飾吾[句]を伴う名詞に付けて》 / 《単数普通名詞に付けて》(1)《種族全体》…『というもの』 / 《複数名詞または集合名詞に付けて》 / 《単位》『…につき;…単位[で]』 / 《身体の一部に付けて,所有格に代わる》 / 《形容詞に付けて》 / 《固有名詞に付けて》 / 《強意用法に》『随一の』,典型的な / 《「the+比較級,the+比較級」の形で》『…すればするほどそれだけ』 / 《比較級の前に》(…につれて,のために)『それだけ』,ますます
Wikipedia preview
出典(authority):フリー百科事典『ウィキペディア(Wikipedia)』「2015/06/14 05:10:28」(JST)
[Wiki en表示]
Theca of follicle |
Details |
Latin |
theca folliculi |
Dorlands
/Elsevier |
t_07/12801620 |
Anatomical terminology |
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This article's factual accuracy is disputed. Please help to ensure that disputed statements are reliably sourced. See the relevant discussion on the talk page. (May 2015) |
The theca folliculi comprise a layer of the ovarian follicles. They appear as the follicles become tertiary follicles.
The theca are divided into two layers, the theca interna and the theca externa.
The theca interna is responsible for the production of androstenedione, and indirectly the production of 17β estradiol, also called E2, by supplying the neighboring granulosa cells with androstenedione that with the help of the enzyme aromatase can be used as a substrate for this type of estradiol. FSH induces the granulosa cells to make aromatase that converts the androgens made by the theca interna into estradiol. Also, the theca interna is highly vascular and possesses LH receptors, not FSH. Note that the estradiol promotes the formation of LH receptors on granulosa cells, which also have FSH receptors.
See also
External links
- Histology image: 14805loa – Histology Learning System at Boston University
- Anatomy photo: Reproductive/mammal/ovary2/ovary5 - Comparative Organology at University of California, Davis - "Mammal, canine ovary (LM, High)"
- Anatomy photo: Reproductive/mammal/ovary5/ovary6 - Comparative Organology at University of California, Davis - "Mammal, bovine ovary (LM, Medium)"
- UIUC Histology Subject 372 - interna
- UIUC Histology Subject 373 - externa
- Anatomy Atlases - Microscopic Anatomy, plate 13.249
- Slide at trinity.edu
Female reproductive system
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Internal |
Adnexa |
Ovaries |
Follicles |
- corpus
- hemorrhagicum
- luteum
- albicans
- Theca of follicle
- Follicular antrum
- Corona radiata
- Zona pellucida
- Membrana granulosa
- Perivitelline space
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Other |
- Germinal epithelium
- Tunica albuginea
- cortex
- Medulla
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Fallopian tubes |
- Isthmus
- Ampulla
- Infundibulum
- Fimbria
- Ostium
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Ligaments |
- Proper of ovary
- Suspensory of ovary
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Wolffian vestiges |
- Gartner's duct
- Epoophoron
- Vesicular appendages of epoophoron
- Paroophoron
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Uterus |
Regions |
- corpus/body
- Cervix
- External orifice
- Canal
- Internal orifice
- Supravaginal portion
- Vaginal portion
- Uterine horns
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Layers |
- Endometrium
- Myometrium
- Perimetrium
- Parametrium
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Ligaments |
- Round ligament
- Broad ligament
- Cardinal ligament
- Uterosacral ligament
- Pubocervical ligament
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General |
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Vagina |
- Fossa of vestibule of vagina
- Vaginal fornix
- Hymen
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External |
Vulva |
Labia |
- Mons pubis
- Labia majora
- Anterior commissure
- Posterior commissure
- Pudendal cleft
- Labia minora
- Frenulum of labia minora
- Frenulum of clitoris
- Vulval vestibule
- Interlabial sulci
- Bulb of vestibule
- Vaginal orifice
- vestibular glands/ducts
- Bartholin's glands/Bartholin's ducts
- Skene's glands/Skene's ducts
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Clitoris |
- Crus of clitoris
- Corpus cavernosum
- Clitoral glans
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Urethra |
- Urethral crest
- Lacunae of Morgagni
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Other |
- G-spot
- Urethral sponge
- Perineal sponge
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Index of reproductive medicine
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Description |
- Anatomy
- Physiology
- Development
- sex determination and differentiation
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Disease |
- Infections
- Congenital
- Neoplasms and cancer
- male
- female
- gonadal
- germ cell
- Other
- Symptoms and signs
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Treatment |
- Procedures
- Drugs
- benign prostatic hypertrophy
- erectile dysfunction and premature ejaculation
- sexual dysfunction
- infection
- hormones
- androgens
- estrogens
- progestogens
- GnRH
- prolactin
- Assisted reproduction
- Birth control
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UpToDate Contents
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English Journal
- Differential gene expression and immunolocalization of platelet-derived growth factors and their receptors in caprine ovaries.
- Brito IR1, Sales AD2, Rodrigues GQ2, Lobo CH3, Castro SV2, Silva AW4, Moura AA3, Silva JR4, Rodrigues AP2, Figueiredo JR2.
- Domestic animal endocrinology.Domest Anim Endocrinol.2015 Apr;51:46-55. doi: 10.1016/j.domaniend.2014.10.001. Epub 2014 Oct 20.
- This study evaluated the messenger RNA (mRNA) expression and immunolocalization of all members of the platelet-derived growth factor (PDGF) family in caprine ovaries by quantitative PCR and immunohistochemistry, respectively. Detectable levels of PDGF-A mRNA were not observed in primordial follicles
- PMID 25498237
- Immunohistochemical expression of growth factors in the follicular wall of normal and cystic ovaries of sows.
- Sant'Ana F1, Reis Junior JL, Blume GR, Gimeno EJ, Rey F, Ortega HH.
- Reproduction in domestic animals = Zuchthygiene.Reprod Domest Anim.2015 Apr;50(2):327-32. doi: 10.1111/rda.12495. Epub 2015 Feb 12.
- The expression of growth factors was evaluated immunohistochemically in normal and cystic ovaries of sows. The immunohistochemically stained area (IHCSA) was quantified by image analysis to analyse the expression of these proteins in the follicular wall of secondary, tertiary and cystic follicles. I
- PMID 25676567
- Expression and regulation of scavenger receptor class B type 1 in the rat ovary and uterus during the estrous cycle.
- Wang Y1, Meng C1, Wei Q1, Shi F1, Mao D2.
- Acta histochemica.Acta Histochem.2015 Mar 26. pii: S0065-1281(15)00055-0. doi: 10.1016/j.acthis.2015.03.007. [Epub ahead of print]
- Scavenger receptor class B type 1 (SR-B1) preferentially mediates the selective uptake of high density lipoprotein-cholesterol ester and the delivery of cholesterol for steroidogenesis. Although multiple analyses have investigated the function of SR-B1 in the liver, adrenal and ovary, its expression
- PMID 25817199
Japanese Journal
- Isolation of Ovarian Components Essential for Growth and Development of Mammalian Oocytes In Vitro
- HIRAO Yuji
- The Journal of reproduction and development 58(2), 167-174, 2012-04-01
- … In the culture system discussed in this review, bovine and mouse oocyte-granulosa cell complexes, at approximately the late mid-growth stage, spread on a substratum without the involvement of theca cells. … Among ovarian factors, androstenedione was used to compensate for the absence of theca cells, and it promoted both follicular growth and acquisition of oocyte meiotic competence. …
- NAID 10030753405
- Anti-Mullerian Hormone Profiles as a Novel Biomarker to Diagnose Granulosa-theca Cell Tumors in Cattle
- KITAHARA Go,NAMBO Yasuo,EL-SHEIKH ALI Hossam [他],KAJISA Makoto,TANI Mineto,NIBE Kazumi,KAMIMURA Shunichi
- The Journal of reproduction and development 58(1), 98-104, 2012-02-01
- NAID 10030407328
- Anti-Müllerian Hormone Profiles as a Novel Biomarker to Diagnose Granulosa-theca Cell Tumors in Cattle
- KITAHARA Go,NAMBO Yasuo,EL-SHEIKH ALI Hossam,KAJISA Makoto,TANI Mineto,NIBE Kazumi,KAMIMURA Shunichi
- Journal of Reproduction and Development 58(1), 98-104, 2012
- … This study was carried out to evaluate the blood profile and tissue expression of Anti-Müllerian hormone (AMH) as a biomarker for granulosa-theca cell tumors (GTCTs) in cattle. …
- NAID 130001388597
Related Links
- On the other hand, it is known that apoptosis can occur in at least four different follicular compartments, theca cells, mural cells, cumulus cells and in the oocyte (12) and that ovarian follicles with identical morphology have different ...
- theca [the´kah] (L.) a case or sheath. adj., adj the´cal. theca cor´dis pericardium. theca folli´culi an envelope of condensed connective tissue surrounding a vesicular ovarian follicle; it is composed of an internal vascular layer (theca ...
Related Pictures
★リンクテーブル★
[★]
- 英
- theca cell
Henry Gray (1825-1861). Anatomy of the Human Body. 1918.
[★]
莢膜細胞腫
- 関
- thecoma
[★]
細胞