Soerodikosoemo,W. dan Soemardi, I. Embriologi. Tumbuhan. Fakultas Pascasarjana UGM, Yogyakarta. d. Suradinata, T.S. Embriologi Tumbuhan . Embriologi. No description Transcript of Embriologi. Embriologi Hewan present by: Copy of TATANAMA TUMBUHAN & TANAMAN. PPT Embriologi Tumbuhan – Gnetum gnemon. Agustin Dian Kartikasari · Gnetofitos. yanniva · Gymnosperms- Ginkgophyta By Al-John Ahmad.

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Prosiding Seminar Nasional Biologi

Development of the Excretory System The inductive influence of the collecting ducts causes the metanephric mesoderm to differentiate into metanephric vesicles which later give rise to primitive S-shaped renal tubules, which are critical to nephron formation. O Males- efferent ductules of testes, epididymisand vas- wolfian origin. O Metanephric mesoderm forms nephron or excretory unit glomerulus, proximal tubule, loop of Henle, distal tubule form from metanephric mesenchyme.

Embriologi Sistem Pernapasan Fix Documents. ODevelopment of the Excretory System Nephron formation is complete at birth, but functional maturation of nephrons continues throughout infancy.

Bilateral Renal Agenesis Causes oligohydramnios, which results in compression of the fetus, Potter syndrome, deformed limbs, wrinkly skin, abnormal facial appearance [flattened nose, wide interpupillary space low set ears] and tapering fingers. OMetanephros Develops from an outgrowth of themesonephric duct called the ureteric bud and from a condensation of mesoderm within the nephrogenic cord called the metanephric mesoderm.


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Development of the MetanephrosTwo Systems: O Older nephrons on inner part of kidney, newer at periphery. Kuliah 1 – Embriologi Documents. Kidney rotation is also arrested so that the hilum faces ventrally. Histologi Dan Embriologi Hewan Documents. Ascent of the Kidneys During the ascent, the kidneys rotate 90causing the hilum, emriologi initially faces ventrally, to finally face medially. Referat – Embriologi Saluran Pencernaan Documents.

Blood Supply of the Kidneys During the ascent of the kidneys, the kidneys receive their tumuhan supply from arteries at progressively higher levels until the definitive renal arteries develop at L2. O 3 embryonic kidneys from intermediatemesoderm O Pronephros- transient weeknonfunctional, paired segments. Laporan Embriologi Spermatogenesis Blogger Documents. Embriologi Ginjal Download Report.

Embriologi Ginjal

Embriologi Kolon Dan Rektum Documents. Normal ascent of the kidneys is arrested because tumuhan fused portion gets trapped beneath the inferior mesenteric artery. Supernumerary arteries are end arteries.

Infants with bilateral renal agenesis are usually stillborn or die shortly after birth. Arteries formed during the ascent may persist and are called supernumerary arteries. Embriologi Sistem Saraf Pusat Documents. The change in location results from a disproportionate growth of the embryo caudal to the metanephros. It develops into the definitive adult kidney.

Development of the Collecting System The ureteric bud initially penetrates the metanephric mesoderm, and then undergoes repeated branching to form the ureters, renal pelvis, major calyces, tumbuyan calyces, and collecting ducts.


Pronephros Develops by the differentiation of mesodermwithin the nephrogenic cord to form pronephric tubules and the pronephric duct.

OO Metanephros- definitive kidneys O Form as tumguhan buds from distal end of nephric duct O Penetrates metanephric mesenchyme at 28 days to begin nephron formation- lobulated appearance. Perkembangan Embriologi Spinal Cord Documents.

Ascent of the Kidneys The fetal metanephros is located at vertebral level S1-S2, whereas the definitive adult kidney is located at vertebral level TL3.

Rohmania SetiariniO The nephrogenic cord develops into threesets of nephric structures: Renal Fusion A horseshoe kidney occurs when the inferior poles of the kidneys fuse across the midline. Renal Agenesis Unilateral renal agenesis is more common in males.

OMetanephros The metanephros begins to form at week 5 and isfunctional in the fetus at about week MesonephrosMesonephros Develops by differentiation of mesoderm within thenephrogenic cord to form mesonephric tubules and the mesonephric duct wolffian duct.

O Females- nonfunctional mesosalpingeal structures.