| Sp | the most posterior point on the posterior contour of the sella turcica; species; specific; specimen;... |
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| sp | space; species; specific; spine, spinal; spirit |
| SPP | plural of species; Sexuality Preference Profile; skin perfusion pressure; suprapubic prostatectomy |
| spp | plural of species |
| AMI | Acute Myocardial Infarction - Complications(Cx) 1. Early ... |
| late luteal phase dysphoric disorder | <syndrome> A combination of emotional, physical, psychological, and mood disturbances that occur after ovulation and normally end with the onset of the menstrual flow. (12 Dec 1998) |
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| late-phase response | Recurrence of symptoms after an appreciable interval following challenge with an antigen; preceded by an initial early-phase response. (05 Mar 2000) |
| late reaction | A local or generalised response that begins 24 to 48 hours after exposure to an antigen. See: cell-mediated reaction. Synonym: contact hypersensitivity, delayed hypersensitivity, late reaction, tuberculin-type hypersensitivity. (05 Mar 2000) |
| late replicating chromosome | A chromosome (often anomalous) that is shown, e.g., by incorporation of a labelled nucleotide, to undergo delayed duplication preliminary to mitosis; formerly used as a means of distinguishing members of a group of chromosome's. (05 Mar 2000) |
| late rickets | <pathology> A condition marked by softening of the bones (due to impaired mineralisation, with excess accumulation of osteoid), with pain, tenderness, muscular weakness, anorexia and loss of weight, resulting from deficiency of vitamin D and calcium. Origin: Gr. Malakia = softness (18 Nov 1997) |
| late seizure | A seizure that occurs greater than one week after a craniocerebral trauma or CNS insult. (05 Mar 2000) |
| late-successional forest | Forest seral stages which include mature and old- growth age classes. (05 Dec 1998) |
| late-successional reserve | An area of forest where the management objective is to protect and enhance conditions of late successional and old-growth forest ecosystems. (05 Dec 1998) |
| late syphilis | Involvement of the cardiovascular or central nervous system, or the development of a gumma in any organ, due to infection with Treponema pallidum; usually several years to 2-3 decades after the initial infection. Synonym: tertiary syphilis. (05 Mar 2000) |
| late systole | The interval in the cardiac rhythm immediately preceding diastole. Synonym: late systole. (05 Mar 2000) |
| candidate species | <ecology> Any species or subspecies of bird, mammal, fish, amphibian, reptile, or plant that is being considered for listing as endangered or threatened but is not yet the subject of a proposed rule. (16 Dec 1997) |
| management indicator species | A species whose habitat requirements most reflect those of the species community in the habitat of concern, usually used to indicate habitat quality and to predict future conditions. (09 Oct 1997) |
| rare species | A species of animal or plant that is considered rare, threatened, or endangered. (17 Dec 1997) |
| reactive oxygen species | Reactive intermediate oxygen species including both radicals and non-radicals. These substances are constantly formed in the human body and have been shown to kill bacteria and inactivate proteins, and have been implicated in a number of diseases. Scientific data exist that link the reactive oxygen species produced by inflammatory phagocytes to cancer development. (12 Dec 1998) |
| sensitive species | <ecology, zoology> Species that can only survive within a narrow range of environmental conditions and whose disappearance from an area is an index of pollution or other environmental change. Those species which rely on specific habitat conditions that are limited in abundance, restricted in distribution, or are particularly sensitive to development. Plant or animal species which are endangered species, or candidate species, protected bird species under endangered species laws and regulations, plant protection laws and regulations, Fish and Game codes, or species of special concern listings and policies, or species recognised by national, state, or local environmental organisations. (18 Nov 1997) |