Planes

Question 1

Xiphisternal plane is located at what vertebra

Answer 1

T9

Question 2

how do we find xiphisternal plane (T9)?

Answer 2

find the linea alba and trace up to the sternum

Question 3

Transpyloric plane is located at what vertebra

Answer 3

L1

Question 4

How do we find the transpyloric plane (L1)?

Answer 4

find the linea semilumaris and trace up to the costal margin OR [find the top of the sternum and the pubic bone, and draw a plane in the middle.

Question 5

What are the organs located in the transpyloric plane (L1)?

Answer 5

1. pylorus of the stomach
2. gallbladder
3. neck of the pancreas
4. SMA
5. HPV
6. hilia of the kidney
7. root of the transverse mesocolon

Question 6

Subcostal plane is located where

Answer 6

Below 10th rib–> L3;

Question 7

What organs are at the subcostal plane (L3)?

Answer 7

Transverse colon

Question 8

how do we find the subcostal plane (L3)?

Answer 8

inferior costal margin at the mid-axillary line

Question 9

Transtubercle plane is located at what vertebra?

Answer 9

L5

Question 10

What is located at the transtubercle plane (L5)?

Answer 10

ileocecal junction

Question 11

Interspinous plane is located at what vertebra?

Answer 11

S2

Question 12

How do we locate the interspinous plane?

Answer 12

Located between the ASIS and is where the appendix and sigmoid colon is located.

Question 13

Esophagus planes

Answer 13

T10-T11

• T10: passes through r crus of the diaphragm
• T11: enters the cardial orifice of the stomach

Question 14

Stomach (vertebra)

Answer 14

T11

Question 15

Duodenum planes

Answer 15

L1-L3.

1st part (superior): L1 (transplyoric plane)

2nd part (descending): L2-L3 on the right

3rd part (horizontal): anterior to L3 (subcostal plane)

4th part (ascending): left side of L3- superior to about L2

Question 16

Jejunum and ileum planes

Answer 16

L2- L5 (at the ileocecal junction)

Question 17

Jejunum and Ileum extend from _________ junction –> _________ junction, located at ___

Answer 17

[duodenojejunal junction—> ileocecal junction at L5].

Question 18

Where do LI begin?

Answer 18

L5 (transtubercle plane; ileocecal junction)

Question 19

Location of lower edge of the cecum

Answer 19

S2 (interspinous plane)

Question 20

Location of sigmoid colon

Answer 20

S3

Question 21

Location of the left colic flexure (where the transverse colon becomes the descending colon)

Answer 21

T12

Question 22

Xiphersternal plane goes from the

Transplyloric plane goes from the

Subcostal plane goes from

Supracristal plane goes from the top of the

Transtubercle plane is at L5 (widest part of the hips and is located between the iliac tubercles at the ileocecal junction)

Answer 22

A.

Xiphersternal plane goes from the 7th rib–> T9

Transplyloric plane goes from the 9th rib–> L1

Subcostal plane goes from 10th rib–> L3

Supracristal plane goes from the top of the iliac crests –> L4

Transtubercle plane is at L5 (widest part of the hips and is located between the iliac tubercles at the ileocecal junction)