Aerio-venous anastomosis is not seen in: March 2011
Ans. D: KidneyShunts of simpler structure is found in the skin of nose, lips and external ear; thyroid gland, sympathetic ganglia etc.Specialized AV anastomosis are found in the skin of digital pads and nail bedsAeries of kidney are end-aeriesAerio-venous anastomosesIt is the communication between an aery and a vein.It serves the function of phasic activity of the organShunts of simple structure are found in the:- Skin of the:NoseLipsExternal ear- Mucous membrane of:NoseAlimentary canal- Coccygeal bodyErectile tissue of sexual organs- Tongue- Thyroid gland- Sympathetic gangliaSpecialized AV anastomoses is seen in the- Skin of digital pads- Nail beds
Sympathetic ganglia
Tip of Nose
Finger tip
Kidney