What's the difference between basal and metapterygium?

Basal

Definition:

(a.) Relating to, or forming, the base.

Example Sentences:

(1) One hour after direct mechanical cardiomassage (DMCM) a moderately pronounced edema of the intercellular spaces in the basal compartment of the seminiferous epithelium, normal content of lactate and succinate dehydrogenases, and a certain decrease in the activity of glucose-6-phosphate dehydrogenases and NAD- and NADP-diaphorases were noted.
(2) However, CT will be insensitive in the detection of the more cephalic proximal lesions, especially those in the brain stem, basal cisterns, and skull base.
(3) A progressively more precise approach to identifying affected individuals involves measuring body weight and height, then energy intake (or expenditure) and finally the basal metabolic rate (BMR).
(4) In schizophrenic patients the density of dopamine uptake sites in the basal ganglia was slightly reduced, mainly in the middle third of putamen.
(5) In summary, GABAergic tone did not effect basal acid secretion in anesthetized rats.
(6) Basal 20 alpha DHP levels remained low until a sharp rise at mid pro-oestrus.
(7) Male weanling Sprague Dawley rats were depleted on a low AIN-76A formulated basal diet for 21 days.
(8) Similarly, 50 microM D-600, a Ca+2 channel antagonist, significantly (P less than 0.01) reduced basal and 5-HETE-induced PRL release.
(9) In the present study, the expression of type IV collagen associated with the basal membrane (BM) was studied histochemically (indirect immunoperoxidase-antiperoxidase) in cervical human papillomavirus (HPV) lesions (diagnosed using in situ DNA hybridization) of different grades.
(10) Intraepidermal clefting starts at the junction between the basal and epidermal layers, and later involves all of the levels of the stratum spinosum.
(11) In normal seminal vesicle, the reaction product was apparently more abundant in columnar and basal cells than in other cell types.
(12) Ouabain caused a dose-dependent increase in basal adenylate cyclase (AC) activity from 0.1 to 100 microM.
(13) Increased iron levels in basal ganglia were generally associated with normal or elevated levels of ferritin immunoreactivity, for example, the substantia nigra in PSP and possibly MSA, and in putamen in MSA.
(14) Human GH did not alter basal cyclic AMP levels in mouse osteoblasts.
(15) Basal and maximally insulin-stimulated rates of 3-O-methylglucose transport in adipocytes from obese and obese NIDDM subjects were reduced to 50% of the values in cells from normal subjects (P less than 0.05).
(16) In high concentrations of antiserum, some of the agglutinated cells of L. h. hertigi were enlarged and showed syncytial characters that included up to five nuclei, two dividing nuclei and five basal bodies associated with a single kinetoplast.
(17) For that reason we determine basal serum pepsinogen I (PG I) levels in 25 ulcerous patients and 75% of their offspring and to a control group matched by age and sex.
(18) It is concluded that a Na-H antiport system in vascular smooth muscle regulates Na influx rate, contributes to intracellular pH regulation and influences basal levels of Na,K-pump activity.
(19) It may, however, be useful to compare local wall dynamics in the more isometrically-contracting basal segment with those in the middle portion which brings about most of the emptying of the ventricle.
(20) Increased amounts of laminin in the basal epithelium of the cornea and of collagen type III in the stroma and subepithelial components of the stroma were observed.