week 9: specialized bird terms

Question 0

_____ is the voice organ of birds located at the tracheal bifurcation (where the trachea splits into bronchi)

Answer 0

sryinx

Question 1

_____ are thin walled sacs in the respiratory tract of birds that store air and provide buoyancy for flight

Answer 1

air sacs

Question 2

_____ is the sternum, or breastbone of birds

Answer 2

Keel

Question 3

______ is a bony termination of the vertebral column in birds where tail feather attach; also called rump post

Answer 3

pygostyle

Question 4

______ is the cleft in the hard palate of birds where the nasal passage connects to the mouth

Answer 4

choana

Question 5

______ are the small feathers that dcover the bases of large feathers on the body; named based on their location

Answer 5

coverts

Question 6

____ are the primary feathers at the center of the tail

Answer 6

central tail feathers

Question 7

______ are the large tail feather to each side of the central tail feathers

Answer 7

lateral tail feathers

Question 8

_____ is the thickened skin at base of external nares of birds, may be different colors in some birds to denote sex

Answer 8

cere

Question 9

____ is the hard mouth part of the bird that is modified epidermal structure that covers the rostral part of the maxilla and mandible.

Answer 9

beak

Question 10

____ are caudal to the forehead to the cranial portion of the neck; the top of the head

Answer 10

crown

Question 11

_____ is the caudodorsal portion of the neck of birds

Answer 11

nape

Question 12

____ is the hollow shaft at the proximal end of the feather shaft

Answer 12

calamus

Question 13

_____ is one of the parallel filaments projecting from the main feather shaft; forms the feather vane

Answer 13

barb

Question 14

____ is one of the small projections fringing the edges of the barbs of feathers

Answer 14

barbules

Question 15

_____ is the distal end of the feather shaft

Answer 15

rachis

Question 16

_____ is the common passage for fecal, urinary, and reproductive systems in birds and lower vertebrates

Answer 16

cloaca

Question 17

_____ is the rectal opening into the cloaca

Answer 17

copradeum

Question 18

_____ is the esophageal enlargement that stores, moistens, and softens food in some birds

Answer 18

crop

Question 19

_____ is the elongated, spindle-shaped glandular stomach of birds

Answer 19

proventriculus

Question 20

_____ is the muscular stomach of birds; also called the gizzard

Answer 20

ventriculus

Question 21

_____ is the external opening of the cloaca of birds

Answer 21

vent

Question 22

____ is the portion of the oviduct located farthest from the ovary that adds the shell membranes

Answer 22

isthmus

Question 23

_____ is the middle portion of the oviduct that separates the albumin and chalaza over the egg yolk and sperm

Answer 23

magnum

Question 24

______ are clusters of spermatozoa held in readiness in the infundibulum to fertilize the egg as it comes from the ovary

Answer 24

sperm nests

Question 25

______ is the area of the cloaca in which the ureters and vagina open

Answer 25

urodeum

Question 26

______ is the portion of the female reproductive tract in birds that produces the shell and shell pigments

Answer 26

uterus

Question 27

______ is the portion of the female reproductive tract in birds that directs the egg to the cloaca

Answer 27

vagina

Question 28

in domestic fowl, the vascular, red cutaneous structure attached in a sagittal plane to the dorsum of the skull is called the _________

Answer 28

comb

Question 29

______ is the appendage suspended from the head (usually the chin) in chickens, turkeys, and goats

Answer 29

wattle

Question 30

_____ is a projecting body or a sharp, horn-covered, bony projection from the shank of male birds of some species.

Answer 30

spurs

Question 31

______ is trimming wings of birds to alter their flight, also referred to as ________

Answer 31

wing clipping

pinioning