8

Anatnmy of iho Kidncy: The Nephron

RENAL PHYSIOLOCY

Capsule j,,-C orfe< rmtirs

Prox:rml convolution

|uxtamedu!lar> glomrrjlu3

Proximal convolutron

Dislal

cor>vo!uton!

Cortical

glamemlus

conv<<ut»on

Juxtarne<łullary

nephron, eon

^c:i U irti e and dilute the urine

Cortical nephron* dilute the urine but dc not eon centrale Ihc urinc

5 _ . Henie's O h-E kxip - 7

rHF NJFPRHON

KEY

Cłomerukit

A Teren anc. ełferenr arteride*

Pio^umI inhul •

Convokit«d segment Straigh' segment

Thm Hescenrling and a$C£nding limbs ot Henle s l:>op

Distal segmente THck a^cendin; Itnb ci Henie'* loop

s. Distz-I corvoluted tubule

^Mmila dema

Gillw linj* cfcjci

Keii.il bkiot (Iow	1-1.2 Cmiii	Nu111l.fi uf no p iuu*	2.5 niiliiun
Clomeruar liliration	100-125 niLOnin	Conical	2.1 nłllon
ratę	140-18U l/day	Juxl.imedul aiy	0.4 milion
Urine łon- ratę	O.S-8 L/day

Figurę 6.2 A n atomy of the Nephron

Ihw nephrors of the kidney diffec somuuhat m structure depending <>r the bcation 01 their glomcrulus. Cortical nephrons h«ivc their gluincmli in lite u.iprr cif Mi.it* fin.il puitior uf llit- • oilrc. Tli^m- ClM-

tical iepłvons have ;hort loop; of l lenie tłiit extend only nto the oiter zon? o i tiemecMU. The gbncruliol juMamedullarY nephron* arp bcat^d fhp rortcemed.ilbryjunetfon Th*«u^ nopnrnn< have leng loops of Henie that cxtend decp in:o :hc irner zorc oi ihe ii t*<ail!d. Tlirie .iit- liuriy inciir tlHlic .il llian jualrffiifilullaiy nephronsw