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  2. Female reproductive system - Wikipedia

    en.wikipedia.org/wiki/Female_reproductive_system

    The uterus provides mechanical protection, nutritional support, and waste removal for the developing embryo (weeks 1 to 8) and fetus (from week 9 until the delivery). In addition, contractions in the muscular wall of the uterus are important in pushing out the fetus at the time of birth.

  3. Sexual reproduction - Wikipedia

    en.wikipedia.org/wiki/Sexual_reproduction

    The first fossilized evidence of sexual reproduction in eukaryotes is from the Stenian period, about 1.05 billion years old. [19] [20]Biologists studying evolution propose several explanations for the development of sexual reproduction and its maintenance.

  4. Net reproduction rate - Wikipedia

    en.wikipedia.org/wiki/Net_reproduction_rate

    In population ecology and demography, the net reproduction rate, R 0, is the average number of offspring (often specifically daughters) that would be born to a female if she passed through her lifetime conforming to the age-specific fertility and mortality rates of a given year.

  5. Uterine malformation - Wikipedia

    en.wikipedia.org/wiki/Uterine_malformation

    The American Fertility Society (now American Society of Reproductive Medicine) Classification distinguishes: . Class I—Müllerian agenesis (absent uterus). This condition is represented by the hypoplasia or the agenesis (total absence) of the different parts of the uterus:

  6. Hemin - Wikipedia

    en.wikipedia.org/wiki/Hemin

    Hemin is protoporphyrin IX containing a ferric iron (Fe 3+) ion with a coordinating chloride ligand.. Chemically, hemin differs from the related heme-compound hematin chiefly in that the coordinating ion is a chloride ion in hemin, whereas the coordinating ion is a hydroxide ion in hematin. [2]

  7. Hamengkubuwono IX - Wikipedia

    en.wikipedia.org/wiki/Hamengkubuwono_IX

    Sri Sultan Hamengkubuwono IX (Hanacaraka: ꦯꦿꦶꦯꦸꦭ꧀ꦡꦟ꧀ꦲꦩꦼꦁꦑꦸꦨꦸꦮꦟ꧇꧙꧇; 12 April 1912 – 2 October 1988 [a]), often abbreviated as HB IX, was an Indonesian politician and Javanese royal who was the second vice president of Indonesia, the ninth sultan of Yogyakarta, and the first governor of the Special Region of Yogyakarta.

  8. LHX1 - Wikipedia

    en.wikipedia.org/wiki/LHX1

    3975 16869 Ensembl ENSG00000273706 ENSG00000274577 ENSMUSG00000018698 UniProt P48742 Q58F18 P63006 RefSeq (mRNA) NM_005568 NM_008498 RefSeq (protein) NP_005559 NP_005559.2 NP_032524 Location (UCSC) Chr 17: 36.94 – 36.94 Mb Chr 11: 84.41 – 84.42 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse LIM homeobox 1 is a protein that in humans is encoded by the LHX1 gene. This gene encodes ...

  9. Arousal - Wikipedia

    en.wikipedia.org/wiki/Arousal

    Arousal is the physiological and psychological state of being awoken or of sense organs stimulated to a point of perception. It involves activation of the ascending reticular activating system (ARAS) in the brain, which mediates wakefulness, the autonomic nervous system, and the endocrine system, leading to increased heart rate and blood pressure and a condition of sensory alertness, desire ...