Results 21 to 30 of about 1,092,878 (307)

Development of hypobranchial muscles with special reference to the evolution of the vertebrate neck

open access: yesZoological Letters, 2018
Background The extant vertebrates include cyclostomes (lamprey and hagfish) and crown gnathostomes (jawed vertebrates), but there are various anatomical disparities between these two groups. Conspicuous in the gnathostomes is the neck, which occupies the
Noritaka Adachi   +4 more
doaj   +1 more source

The developmental cell biology of Trypanosoma brucei [PDF]

open access: yes, 2005
Trypanosoma brucei provides an excellent system for studies of many aspects of cell biology, including cell structure and morphology, organelle positioning, cell division and protein trafficking. However, the trypanosome has a complex life cycle in which
Matthews, Keith R
core   +2 more sources

Morphological responses to feeding in ticks (Ixodes ricinus)

open access: yesZoological Letters, 2018
Background Ticks can survive long periods without feeding but, when feeding, ingest large quantities of blood, resulting in a more than 100-fold increase of body volume.
J. Matthias Starck   +6 more
doaj   +1 more source

Cell interactome in sarcopenia during aging

open access: yesJournal of Cachexia, Sarcopenia and Muscle, 2022
Background The diversity between the muscle cellular interactome of dependent and independent elderly people is based on the interrelationships established between different cellular mechanisms, and alteration of this balance modulates cellular activity ...
Laura González‐Blanco   +10 more
doaj   +1 more source

Plant genetic reseources: effective utilization [PDF]

open access: yes, 2010
Characterizing better understanding the genome organization and differentiating identity of genotypes based on their morphology and genome characteristics are vital determinants in their commercialization, management of germplasm repositories, and ...
Budak, Hikmet
core   +1 more source

Evaluation of results after distal metatarsal osteotomy by minimal invasive surgery for the treatment of metatarsalgia: patient and anatomical pieces study

open access: yesJournal of Orthopaedic Surgery and Research, 2019
Background Metatarsalgia of the lesser toes is a common cause of consultation in the podiatric clinic. However, there continues to be a controversy with respect to which is the best surgical technique, and there is few information in the literature ...
Miguel Lopez-Vigil   +4 more
doaj   +1 more source

Intermittent reproduction, mortality patterns and lifetime breeding frequency of females in a population of the adder (Vipera berus) [PDF]

open access: yesPeerJ, 2019
Female adders (Vipera berus) are “capital breeders” that exhibit delayed maturity and intermittent reproductive frequency. We studied the attainment of sexual maturity, the initiation of annual breeding in mature females, the energy and mortality costs ...
Dirk Bauwens, Katja Claus
doaj   +2 more sources

Gonad development and reproduction in the monoecious species Chlorophthalmus agassizi (Actinopterygii: Aulopiformes: Chlorophthalmidae) from the Sardinian Waters (Central-Western Mediterranean) [PDF]

open access: yes, 2010
Background. The shortnose greeneye, Chlorophthalmus agassizi Bonaparte, 1840, is a species with a circumglobal distribution and is among the most abundant commercial fishes in some Mediterranean areas.
Cabiddu S, Cau A, Follesa MC, Porcu C
core   +1 more source

The Interplay among PINK1/PARKIN/Dj-1 Network during Mitochondrial Quality Control in Cancer Biology: Protein Interaction Analysis [PDF]

open access: yes, 2018
PARKIN (E3 ubiquitin ligase PARK2), PINK1 (PTEN induced kinase 1) and DJ-1 (PARK7) are proteins involved in autosomal recessive parkinsonism, and carcinogenic processes.
Lucas, Millikin, Narendra, Santel, Zhang
core   +2 more sources

Overcoming the Newtonian Paradigm: The Unfinished Project of Theoretical Biology from a Schellingian Perspective [PDF]

open access: yes, 2013
Defending Robert Rosen’s claim that in every confrontation between physics and biology it is physics that has always had to give ground, it is shown that many of the most important advances in mathematics and physics over the last two
Gare, Arran
core   +1 more source

Home - About - Disclaimer - Privacy