scholarly journals The Pre-Natal Development of Skin and Hair in Cattle II. Bos Indicus l. X B. Taurus l.

1960 ◽  
Vol 13 (4) ◽  
pp. 584 ◽  
Author(s):  
AG Lyne ◽  
Margaret J Heideman
Keyword(s):  
Histological Study ◽  
Bos Indicus ◽  
Hair Follicles ◽  
New Born

A histological study has been made of the development of the skin and hair follicles in 22 crossbred (Brahman X Hereford or Brahman X Shorthorn) cattle foetuses, ranging in age from 77 to 263 days, and in three new�born calves.

scholarly journals The Pre-Natal Development of Skin and hair in Cattle (Bos Taurus L.)

1959 ◽  
Vol 12 (1) ◽  
pp. 72 ◽  
Author(s):  
AG Lyne ◽  
Margaret J Heideman
Keyword(s):  
Hair Follicle ◽  
Bos Taurus ◽  
Histological Study ◽  
Hair Follicles ◽  
Serial Sections ◽  
Lateral Region ◽  
New Born ◽  
Whole Mount ◽  
Skin Samples

A histological study has been made of the development of the skin and hair follicles in 33 foetuses, ranging in age from 68 to 274 days, and seven new-born specimens, of various breeds of Bos taurus L. Skin samples were taken from the mid-lateral region of the trunk, and both serial sections and whole mount preparations have been examined. Extensive use has been made of' counts of the follicle and hair population as well as skin and hair follicle measurements which hitherto have apparently received little attention in studies of this type.

Seasonal moulting patterns in three fur bearing mammals: the European badger (Meles meles L.), the red fox (Vulpes vulpes L.), and the mink (Mustela vison). A morphological and histological study

1986 ◽  
Vol 64 (8) ◽  
pp. 1757-1764 ◽  
Author(s):  
Daniel Maurel ◽  
Christian Coutant ◽  
Line Boissin-Agasse ◽  
Jean Boissin
Keyword(s):  
Red Fox ◽  
Histological Study ◽  
Meles Meles ◽  
Hair Follicles ◽  
Way Of Life ◽  
Hair Density ◽  
European Badger ◽  
Anagen Phase ◽  
Phase Differences ◽  
Follicular Activity

Seasonal changes in the fur of three species of mammals at the adult stage, the European badger, the red fox, and the mink, were studied in the field. The badger had only one seasonal change of pelage during the summer and the fall (from July to December), and there was no seasonal variation of hair density. The fox moulted in the spring (between the end of April and the end of August) and again in the fall, but the fall change consisted only in the regrowth of a new fine undercoat that combined with the summer fur to form a denser winter coat. In the mink, the spring and fall moults were very distinct and gave rise to characteristic summer and winter coats that differed in density and number of fine hairs per surface unit. The histological study revealed a similarity in skin composition among the three species, but the relative importance of the different components (sebaceous glands, adipose tissue, keratine layer) varied with each species' way of life. Seasonal follicular activity was correlated with seasonal regrowth of the pelage; the active anagen phase was very long (badger, 5 months; fox, 4 months; mink, 2 months in the spring and 3 months in the fall). During the other part of the annual cycle, telogen, the hair follicles were in a resting phase. Differences in the annual moulting processes between the three species are discussed in terms of adaptive characteristics.[Journal translation]

scholarly journals Hair follicles of young Wistar strain hairless rats: a histological study

1997 ◽  
Vol 191 (1) ◽  
pp. 99-106 ◽  
Author(s):  
Y. ISHII ◽  
S. TSUTSUI ◽  
K. DOI ◽  
S. ITAGAKI
Keyword(s):  
Histological Study ◽  
Hair Follicles ◽  
Wistar Strain

Temporary hair removal by low fluence photoepilation: Histological study on biopsies and cultured human hair follicles

2008 ◽  
Vol 40 (8) ◽  
pp. 520-528 ◽  
Author(s):  
Guido F. Roosen ◽  
Gillian E. Westgate ◽  
Mike Philpott ◽  
Paul J.M. Berretty ◽  
Tom A.M. Nuijs ◽  
...  
Keyword(s):  
Human Hair ◽  
Histological Study ◽  
Hair Follicles ◽  
Hair Removal

EXCESSIVE CALCIFICATION OF PLACENTA;

2013 ◽  
Vol 20 (05) ◽  
pp. 743-751
Author(s):  
PUSHPA GOSWAMI ◽  
SAMREEN MEMON ◽  
MUHAMMAD ASLAM CHANNA ◽  
Hemlata Rathi
Keyword(s):  
Placental Abruption ◽  
Histological Study ◽  
Normal Pregnancy ◽  
Fetal Outcome ◽  
University Hospital ◽  
Control Group ◽  
Abruptio Placentae ◽  
New Born ◽  
Study Results ◽  
Induced Hypertension

Objective: To examine the morphological change due to excessive calcification of placenta of pregnancies complicated bypregnancy induced hypertension (PIH) and placental Abruption and its relation with fetal outcome. Study design: Case control type ofstudy. Place and duration: This study was conducted from June 2008 to July 2009 at the department of Anatomy of Liaquat University ofMedical & Health Sciences Jamshoro. Material and Methods: One hundred twenty placentae were collected from labor room andgynecology operation theatre of Liaquat University Hospital. Forty placentae from parturients that had pregnancy induced hypertension(PIH), forty from parturient having placental abruption & forty placentae of normal pregnancy (Control Group). Age of all parturients isbetween 17 to 32 years. Fetal outcome and data was recorded. Weight and diameter of Placentae were measured. Approximately five cmpiece of placenta was taken and processed for histological study. Results: The weight of placenta in control group were 450 to 650 gmwith a mean weight of 526.25± 8.414 gm and their diameter from 19 to 24 cm with a mean of 21.225±0.2148cm. In PIH group weight ofplacenta was from 200 to 550gm with a mean weight of 432.25 ± 11.889gm and their diameter ranges from 10 to 16cms with amean14.208 ± 0.1914cm. In placental abruption group the weight of placenta ranges from 180 to 400 gm with a mean weight of 284.88±9.084 gms and diameter ranges from 10 to 14cms with mean 13.070 ± 0.2504 cm. The difference in weight and diameter of placentain PIH and abruptio placentae was found statistically significant when compared with weight and diameter of normal placentae. Theweight of new born babies in control group was 1.8 kg to 3.6 kg mean weight of 2.790± 0.0689kg. In PIH group, the fetal weight was 1.4kg to 3.0 kg with a mean weight of 2.195 ±0.0703kg. In abruptio placentae group, the weight of new born baby ranges from 1.0 kg to2.8kg with a mean weight of 1.898 ± 0.0660 kg. Conclusions: Fetal outcome in cases of PIH and in abruptio placentae was poor ascompared to control group.

The hair follicle and apocrine gland populations of Zebu (Bos indicus L.) and Shorthorn (B. taurus L.) cattle skin.

1955 ◽  
Vol 6 (4) ◽  
pp. 645 ◽  
Author(s):  
DF Dowling
Keyword(s):  
Hair Follicle ◽  
Bos Taurus ◽  
Bos Indicus ◽  
Age Groups ◽  
Hair Follicles ◽  
Regression Coefficients ◽  
Apocrine Gland ◽  
Apocrine Glands ◽  
Significant Difference ◽  
The Mean

Skin samples taken with a trephine of known size from Shorthorn (Bos taurus L.) and Zebu (B. indicus L.) cattle were used to determine the density of hair follicles and apocrine glands in the skin. The repeatability of the measurement of density on the same animal was found to lie between 78 and 90 per cent. The expansion of the skin as the animal grows, and the manner in which the plane of nutrition can modify growth and so the extent of expansion, has a predominating effect on the hair follicle and apocrine gland density. There is a significant difference between ages, but for each breed the regression coefficients of log follicle number on log heart girth within age groups are not significantly different. The mean number of hair follicles per sq. cm in Zebus was 1698, in Zebu crosses 1321, and in Shorthorns on a low plane of nutrition 1064. In Shorthorns on a high plane the number was 764. All differences were statistically significant.

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