ANSC 201 - Exam 4 Questions With Complete Solutions
Lactation is unique to?
mammals
What are the three things milk provides?
nutrition, immunity, quick energy
What are the three locations the glands are most commonly
found?
pectoral, inguinal, abdominal
What does the inguinal region refer to?
between hind legs
What does the abdominal region refer to and what type of
offspring is it mainly for?
covering whole length of abdomen, usually litters
What are the alveolis contained in?
lobules and lobes
Are lobules or lobes bigger?
lobes
What are epithelial cells responsible for?
milk synthesis
What are myoepitheleal cells responsible for?
ejecting or squeezing out milk
,What are the alveolus responsible for?
capillaries providing the materials needed to make milk
Bovine Udder
- Divided into ______ quarters, each _________ in its milk
producing function.
four, independent
Lactation Structural Arrangement can vary in:
- Number of ________
- Number of _______
- Number of ______ _______
glands, teats, streak canals
What is the streak canal?
the opening of the teat in which milk will flow
What supports the middle of the bovine udder?
the median suspensory ligament
What supports the sides and bottom of the bovine udder?
the lateral suspensory ligaments
Ovine (Ewe) Mammary System
- is similar to the ________ except there are only ______
_______
bovine, two glands
Caprine (Nanny) Mammary System
,- similar to the ________ except the ________ and ________
are __________-shaped
ovine, udder, teats, funnel
Equine (Mare) Mammary System
- there are _____ _______, with _____ _______ per gland, and
_______ _______ _______ per teat, their teats are also _______
and _______
two glands, two lobes, two streak canals, broad, flat
Swine (Sow) Mammary System
- has ____-____ glands located in __________ rows extending
the length of the __________ wall from the __________ to the
___________ region. There are several _______ per gland, two
_______ _________ and two _______ _________ per teat
10-14, parallel, abdominal, pectoral, inguinal, lobes, streak
canals, teat cisterns
Other Multiparous Animals Similar to the Swine
- Dog usually has _____ glands and the Cat usually has ______
glands
- Teat of the dog usually has ____-_____ streak canals and the
cat has ____-_____
- The streak canals are arranged in a __________ pattern on the
________ of the ________
10, 8, 8-22, 4-8, circular, surface, teat
What does multiporous mean?
, having many offspring
Growth and Development of The Mammary Gland
1.) Prior to Birth:
- Has the _______ ______ in a line of _____, has the ________
____ and _______
- Later the _______
mammary streak, cells, primary buds, sprouts, teats
Growth and Development of The Mammary Gland
2.) From birth to onset of puberty
- _______ ______ and ______ or (nipple) development
streak canal, teat
Growth and Development of The Mammary Gland
3.) From onset of puberty to beginning of first pregnancy
- The _______ _____ get larger
major ducts
Growth and Development of The Mammary Gland
4.) Early Pregnancy
Early:
- _________ ducts and development of ________ ducts
Late:
- _______ and ______ are forming
Lactation is unique to?
mammals
What are the three things milk provides?
nutrition, immunity, quick energy
What are the three locations the glands are most commonly
found?
pectoral, inguinal, abdominal
What does the inguinal region refer to?
between hind legs
What does the abdominal region refer to and what type of
offspring is it mainly for?
covering whole length of abdomen, usually litters
What are the alveolis contained in?
lobules and lobes
Are lobules or lobes bigger?
lobes
What are epithelial cells responsible for?
milk synthesis
What are myoepitheleal cells responsible for?
ejecting or squeezing out milk
,What are the alveolus responsible for?
capillaries providing the materials needed to make milk
Bovine Udder
- Divided into ______ quarters, each _________ in its milk
producing function.
four, independent
Lactation Structural Arrangement can vary in:
- Number of ________
- Number of _______
- Number of ______ _______
glands, teats, streak canals
What is the streak canal?
the opening of the teat in which milk will flow
What supports the middle of the bovine udder?
the median suspensory ligament
What supports the sides and bottom of the bovine udder?
the lateral suspensory ligaments
Ovine (Ewe) Mammary System
- is similar to the ________ except there are only ______
_______
bovine, two glands
Caprine (Nanny) Mammary System
,- similar to the ________ except the ________ and ________
are __________-shaped
ovine, udder, teats, funnel
Equine (Mare) Mammary System
- there are _____ _______, with _____ _______ per gland, and
_______ _______ _______ per teat, their teats are also _______
and _______
two glands, two lobes, two streak canals, broad, flat
Swine (Sow) Mammary System
- has ____-____ glands located in __________ rows extending
the length of the __________ wall from the __________ to the
___________ region. There are several _______ per gland, two
_______ _________ and two _______ _________ per teat
10-14, parallel, abdominal, pectoral, inguinal, lobes, streak
canals, teat cisterns
Other Multiparous Animals Similar to the Swine
- Dog usually has _____ glands and the Cat usually has ______
glands
- Teat of the dog usually has ____-_____ streak canals and the
cat has ____-_____
- The streak canals are arranged in a __________ pattern on the
________ of the ________
10, 8, 8-22, 4-8, circular, surface, teat
What does multiporous mean?
, having many offspring
Growth and Development of The Mammary Gland
1.) Prior to Birth:
- Has the _______ ______ in a line of _____, has the ________
____ and _______
- Later the _______
mammary streak, cells, primary buds, sprouts, teats
Growth and Development of The Mammary Gland
2.) From birth to onset of puberty
- _______ ______ and ______ or (nipple) development
streak canal, teat
Growth and Development of The Mammary Gland
3.) From onset of puberty to beginning of first pregnancy
- The _______ _____ get larger
major ducts
Growth and Development of The Mammary Gland
4.) Early Pregnancy
Early:
- _________ ducts and development of ________ ducts
Late:
- _______ and ______ are forming
