internal os of uterus histological
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ostium uteri internum — internal os of uterus: the internal orifice of the cervix of the uterus, opening into the cavity of the uterus. The official nomenclature distinguishes the anatomical internal os (o. anatomicum uteri internum, [TA]) from the histological internal … Medical dictionary
os — 1. [NA] The mouth. 2. Term applied sometimes to an opening into a hollow organ or canal, especially one with thick or fleshy edges. SEE ALSO: mouth (2), ostium, orifice, opening. [L. mouth] … Medical dictionary
ostium — A small opening, especially one of entrance into a hollow organ or canal. SEE ALSO: orifice, opening, os, mouth (2). [L. door, entrance, mouth] o. abdominale tubae uterinae [TA] SYN: abdominal o. of uterine tube … Medical dictionary
ostium histologicum uteri internum — [TA] histological internal os of uterus: the histological lower limit of the isthmus uteri, which is the level of transition between endometrium undergoing menstrual changes above and cervical mucosa not undergoing such changes below; it may not… … Medical dictionary
ostium anatomicum uteri internum — [TA] anatomical internal os of uterus: the internal orifice of the uterine cervix, marking the anatomical point at which the cervix opens into the corpus uteri; it may not correspond to the histological internal os (o. histologicum uteri… … Medical dictionary
human embryology — ▪ biology Introduction the process encompassing the period from the formation of an embryo, through the development of a fetus, to birth. The human body, like that of most animals, develops from a single cell produced by the union of… … Universalium
endocrine system, human — ▪ anatomy Introduction group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… … Universalium
Eugen Steinach — Dr Eugen Steinach (1861 1944) a leading Austrian physiologist and pioneer in endocrinology.Dr. Steinach performed endocrine research that was aimed to revolutionize human life by the use of glandular techniques, for example, experiments with… … Wikipedia
vertebrate — /verr teuh brit, brayt /, adj. 1. having vertebrae; having a backbone or spinal column. 2. belonging or pertaining to the Vertebrata (or Craniata), a subphylum of chordate animals, comprising those having a brain enclosed in a skull or cranium… … Universalium
Cancer — For other uses, see Cancer (disambiguation). Cancer Classification and external resources … Wikipedia
