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Tryptophan or Trp is an amino acid that is used in the biosynthesis of proteins. 3d illustration
Pesetas, old coins and bills from Spain
Ryongmun limestone cave in Myoyhang Mountains, North-Korea.
There is a cortical cyst in the lower pole of the right kidney measuring 6.1 x 6.1 x 6.1 cm, with the upper thin posterior separation containing calcification 3 mm thick.  This is most probably benign Bosniak 2-2F. No suspicious renal mass, stone or hydronephrosis.  The unopacified renal collection system appears grossly normal.
The normal liver cells or hepatocytes contain lipid droplets, more frequent near the central vein of hepatic lobules, that can be demonstrated using osmium tetroxide as fixative. In steatosis or fatty liver disease, the amount of lipid droplets is pathologically very increased.
Yellow apricot flowers blooming branches fragrant petals signaling spring has come, this is the symbolic flower for good luck in 2021
Kerria japonica. Flowers that bloom in spring.
Juvenile granulosa cell tumor: Ovarian juvenile granulosa cell tumor (JGCT) is an extremely rare sex cord-stromal tumor that is most commonly encountered in prepubertal girls and young women.
500 Maldivian rufiyaa bank note. Rufiyaa is the national cureency of Maldives
Macro shot of the five turkish lira banknote.
Close-up of a group of four differently colored stones in a stream bed. Different textures surrounded by cold water.
Kerria japonica, commonly called Japanese kerria or Japanese rose, is a graceful, spring-flowering, deciduous shrub that is native to certain mountainous areas of Japan and China. It grows to 1-2m tall on slender, arching, yellowish-green stems. Single, five-petaled, rose-like, yellow flowers bloom somewhat profusely in spring.
pyrrhotite iron sulfide rare earth mineral
Gastrotricha, Biological Classification: Phylum seen under Microscope. They are commonly referred to as Hairy backs. They live on and in between particles of Sediment on the seabed floor. There are nearly 809 species that are either Freshwater or Seawater Creatures
The Bunch of Yellow Trumpet-Flowers Full of the Tree
Chicken island, off ao Nang coast, Krabi province, Thailand
Traditional cave graves carved in the rock on the top of cliff.  Lemo is cliffs old burial site in Tana Toraja.  South Sulawesi, Indonesia
Full set of Turkish Liras isolated on white background.
Golden shower flowers inside the botanical garden, Mahe Seychelles
Dark background
3d rendering of skin cell with dark spot layer for cosmetic advertise. 3D Render illustration.
small yellow flower blooming and green leaves on plant
Coast line. Boso peninsula, Chiba prefecture.
The ancient temple and the five colour lakes landmark the famous Huanglong, Sichuan province, China.
Close-up of white brown marble slabs lined up side by side
Macro shot of 1000 Hungarian forint bill
glaucophane schist mineral sample under light microscopy
Apache tear (obsidian) from the USA
Close-up of lacy dead leaf with holes against a vibrant textured green background.
Free Images: "bestof:KynurenicAcid.png strutcture of kynurenic acid made with ChemDraw 2007-01-07 own assumed 17Drew~commonswiki Aromatic acids Hydroxy acids NMDA receptor"
Kynurenic acid.svg
Homoquinolinic acid.svg
Glucaric acid structure.svg
Xanthic acid structure.svg
Trans-9 trans-11 conjugated linenoic acid.svg
Trans-10 cis-12 conjugated linenoic acid.svg
Methylphosphonicacid.svg
Prostanoic Acid.svg
12-Hydroxystearic acid.svg
Fusaric acid.svg
CPPene.svg
Homoisocitric acid.svg
Fluorocitric acid.svg
Parasorbic acid.svg
Trans-4-hydroxycrotonic acid.svg
Kyselina beta-hydroxymáselná.svg
13-HODE.svg
Cerebronic acid.svg
4-Hydroxyvaleric acid.svg
Tartronic acid.svg
(S)-Acetolactic acid.svg
Acetolactic acid.svg
3-hydroxycyclopent-1-enecarboxylic acid.svg
3-Isopropylmalic acid.svg
2-Isopropylmalic acid.svg
Leucic acid.svg
Ricinelaidic acid.svg
10-hydroxydecanoic acid.svg
3-hydroxydecanoic acid.svg
3-hydroxyoctanoic acid.svg
9-HODE.svg
Agaric acid.svg
Vanilmandelic acid.svg
H acid.svg
I acid.svg
K acid.svg
Baeyer acid.svg
L acid.svg
F acid.svg
G acid.svg
Schoellkopfs acid.svg
D acid.svg
Epsilon acid.svg
R acid.svg
RG acid.svg
S acid.svg
M acid.svg
RR acid.svg
4-Iodosalicylic acid.svg
Coutaric acid.svg
Tetradecylthioacetic acid.svg
Citrinin 200.svg
Gamma acid.svg
Alpha schaeffer acid.svg
Neville-Winther acid.svg
Beta schaeffer acid.svg
Boeniger acid.svg
SS acid.svg
Sulfo I acid.svg
Lipo-Hydroxy-Säure.svg
15,16-Dihydroxy-alpha-eleostearic acid.svg
Hydroxypropanoic acid group.svg
Homogentisic acid.svg
3,4-Dihydroxymandelic acid.svg
4-Hydroxy-2-oxopentanoaic acid.svg
Meglutol.svg
NMDA.svg
2-hydroxy-2-(4-hydroxy-3-methoxyphenyl)acetic acid 200.svg
2-hydroxypentanedioic acid 200.svg
Fettsäuren-beispiel.svg
Furan-2-carboxylic acid 200.svg
2-oxo-2-phenylacetic acid 200.svg
2-oxo-3-phenylpropanoic acid 200.svg
N1-hydroxy-N8-phenyloctanediamide 200.svg
2-oxopentanedioic acid 200.svg
4-amino-2-hydroxybenzoic acid 200.svg
4-amino-5-hydroxynaphthalene-2,7-disulfonic acid 200.svg
Peroxy acids (acid-base-rxn).svg
DCKA.svg
Chrysanthemic acid.svg
AP-7 2D-Structure.svg
Macrophomic acid.svg
Elenolic acid.svg
Dioxosuccinic acid.svg
Dodecylene succinic acid.svg
Hexatriacontanoic acid.svg
Ceroplastic acid.svg
5-Hydroperoxyeicosatetraenoic acid.svg
Hydroxysulfanylethane.svg
Meconic acid.svg
Peptide Nucleic Acid.svg
Constipatic acid.svg
Phytanic acid.svg
PhenolSynthesisFromBenzenesulfonicAcid.svg
Dodecanedioic acid.svg
Acetylenedicarboxylic acid.svg
Dodecanedioic acid synthesis.svg
Ethylenetetracarboxylic acid.svg
Mesitoic acid structure.svg
Melissic acid.svg
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