| meroacrania | Congenital lack of a part of the cranium other than the occipital bone. Origin: mero-+ G. A-priv. + kranion, skull (05 Mar 2000) |
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| meroanencephaly | A type of anencephaly in which the brain and cranium are present in rudimentary form. Origin: mero-+ G. An-priv. + enkephalos, brain (05 Mar 2000) |
| meroblast | <biology> An ovum, as that of a mammal, only partially composed of germinal matter, that is, consisting of both a germinal portion and an albuminous or nutritive one; opposed to holoblast. Origin: Gr. Part. Source: Websters Dictionary (01 Mar 1998) |
| meroblastic | <biology> Consisting only in part of germinal matter; characterised by partial segmentation only; as, meroblastic ova, in which a portion of the yolk only undergoes fission; meroblastic segmentation; opposed to holoblastic. Source: Websters Dictionary (01 Mar 1998) |
| meroblastic cleavage | Incomplete separation of the blastomeres, with the divisions being limited to the nonyolked portion of the egg. Synonym: incomplete cleavage. (05 Mar 2000) |
| MeroCaM | <chemical> Calcium sensitive fluorophore that can be used to measure calcium levels within live cells. (18 Nov 1997) |
| merocele | <medicine> Hernia in the thigh; femoral hernia . Origin: Gr. Thigh + tumour. Source: Websters Dictionary (01 Mar 1998) |
| merocrine | <endocrinology, physiology> Commonest mode of secretion in which a secretory vesicle fuses with the plasma membrane and releases its contents to the exterior. (18 Nov 1997) |
| merocrine gland | A gland that releases only an acellular secretory product, in contrast to a holocrine gland. (05 Mar 2000) |
| merodiastolic | Partially diastolic; relating to a part of the diastole of the heart. Origin: mero-+ diastole (05 Mar 2000) |
| merogastrula | The gastrula of a meroblastic ovum. (05 Mar 2000) |
| merogenesis | 1. Reproduction by segmentation. 2. Cleavage of an ovum. Origin: mero-+ G. Genesis, origin (05 Mar 2000) |
| merogenetic | Merogenic Relating to merogenesis. (05 Mar 2000) |
| merogony | 1. The incomplete development of an ovum that has been disorganised. 2. A form of asexual schizogony, typical of sporozoan protozoa, in which the nucleus divides several times before the cytoplasm divides; the schizont divides to form merozoites in this asexual phase of the life cycle. Origin: mero-+ G. Gone, generation (05 Mar 2000) |
| meroistic | <zoology> Applied to the ovaries of insects when they secrete vitelligenous cells, as well as ova. Origin: Gr. Part + an egg. Source: Websters Dictionary (01 Mar 1998) |