Chapter 1 - Anatomical Terms

Question 1

Head

Answer 1

The expanded end of a part of the body.

Question 2

Neck

Answer 2

The constricted part of a structure adjacent to the head of it.

Question 3

Body

Answer 3

The principle part of a structure or the shaft of a long bone.

Question 4

Shaft

Answer 4

The principle part or body of a long bone, a rodlike part.

Question 5

Tail

Answer 5

The tapered end of a structure.

Question 6

Lobe

Answer 6

A subdivision of an organ or structure.

Question 7

Lobule

Answer 7

A subdivision of a lobe.

Question 8

Segment

Answer 8

A unit of structure separated from other segments with its own blood supply.

Question 9

Extremity

Answer 9

The end of a long structure.

Question 10

Apex

Answer 10

The pointed end of a structure.

Question 11

Base

Answer 11

The broad flattened end of a structure, often it’s lower end.

Question 12

Openings into or within organs (8).

Answer 12

1. Aperture
2. Foramen
3. Hiatus
4. Orifice
5. Os
6. Ostium
   7.

Question 13

Fissure

Answer 13

A narrow slit, cleft or grove.

Question 14

Fossa

Answer 14

A depression or hollow below the normal surface of a structure.

Question 15

Hilus / Hilum

Answer 15

An indentation or depression on the surface of an organ, where vessels enter or leave an organ.

Question 16

Sulcus

Answer 16

Grove or furrow, broader than a fissure, sometimes has a tendon or artery, etc. running along it.

Question 17

Sinus (3)

Answer 17

3 meanings:

1. Cavity within an organ, bone, etc.
2. Channel for blood.
3. Canal or passage from one organ to another.

Question 18

Incisura

Answer 18

Notch or cleft.

Question 19

Meatus

Answer 19

A canal or tube-like passage.

Question 20

Ramus

Answer 20

A branch or division of a vessel, nerve or bone.

Question 21

Septum

Answer 21

A partition separating two cavities.