Depressions

Question 1

Fissure

Answer 1

Cleft or deep groove

Question 2

Foramen

Answer 2

Hole in a bone from transmission of blood vessels and nerves

Question 3

Fossa

Answer 3

Pit, fovea, or hollow space

Question 4

Groove

Answer 4

Shallow linear channel

Question 5

Meatus

Answer 5

Tubelike passageway running within a bone

Question 6

Notch

Answer 6

Indentation into border of a bone

Question 7

Sinus

Answer 7

Recess, groove, cavity, or hollow space, such as:

1. Recess or groove in bone, as used to designate a channel for venous blood on inner surface of cranium
2. Air cavity in bone or hollow space in other tissue
3. Fistula or suppurating channel in soft tissues

Question 8

Sulcus

Answer 8

Furrow, trench, or fissurelike depression